Category: Roof

A roof replacement in Los Angeles typically costs $12,000 to $65,000 for a single-story house of 1,500 to 2,000 square feet: about $5 to $10 per square foot of roof for composition shingle, $8 to $15 for a tile lift and relay, $10 to $20 for new concrete tile, and $15 to $30 for clay tile or standing-seam metal, all with tear-off, material and labor. Green Design and Build is a licensed general contractor (CSLB #1110975) based in Van Nuys that manages roof tear-offs, repairs and replacements as your general contractor for homeowners across Los Angeles County, Orange County, Ventura County, western Riverside County and western San Bernardino County. The roofing itself is performed and permitted under a C-39 Roofing license, by a roofing contractor scheduled and supervised by us as your general contractor. The figures on this page are typical Los Angeles budgeting ranges, not a quote; your number depends on the material, the size and pitch of the roof, and what the tear-off finds underneath.

We are led by Dekel Sofer; the company has completed hundreds of projects and holds a 4.7-star rating across 146 reviews on Yelp.

Roof replacement cost by material

The material sets most of the number. The table gives the per-square-foot range for each kind of roof we price, and what that comes to on a typical 1,500 to 2,000-square-foot single-story house, whose roof is somewhat larger than its floor area, including tear-off of the old covering, underlayment, flashing and the new roof. Repairs are priced by the job.

Roofers quote in “squares” (100 square feet of roof), so a $5 to $10-per-square-foot shingle roof is $500 to $1,000 a square. The roof area is larger than the floor area because of the pitch and the overhangs; a 1,600-square-foot single-story ranch house in the San Fernando Valley usually carries 1,800 to 2,100 square feet of roof, and a two-story house of the same floor area has roughly half that. Our guide to what a Los Angeles general contractor costs covers how these trade prices fit into a larger remodel.

What changes the price of a roof replacement

Two houses on the same street can get quotes $15,000 apart for what sounds like the same roof. When they do, it is one of the items below.

The material and its weight

Composition shingle is the least expensive roof to install and the right choice for most pitched roofs, including the 1950s to 1970s Valley ranch houses where we manage the most re-roofs: laminated architectural shingles in a Cool Roof Rating Council-rated color over synthetic underlayment, with ice-and-water membrane in the valleys and around penetrations. Concrete and clay tile cost two to three times as much and weigh roughly 9 to 12 pounds per square foot, so moving from shingle to tile needs a structural review of the framing, and that engineering is part of the price. Standing-seam metal costs about what clay tile does and is gaining ground on hillside and fire-zone homes because it is Class A in a tested assembly, sheds embers and takes solar clamps instead of roof penetrations.

What the tear-off finds

Rotten plywood only shows itself after the old roof comes off, and the deck is the most common reason a roofing job costs more than the quote. We replace up to 10 percent of the deck at no additional charge and price anything beyond that per sheet, before we cover it, so you see the damaged sections and the number at the same time. A house with two layers of old shingles also costs more to tear off and dispose of than a house with one, and California code does not allow a third layer, so a roof that already has two must come down to the deck.

Size, pitch and complexity

A simple gable roof with two planes is the cheapest roof to cover. Every hip, valley, dormer, skylight, chimney and plumbing vent adds cut tile or shingle, flashing and labor, and a steep pitch slows the crew and adds fall protection. A 2,000-square-foot roof cut up by four valleys and three skylights can cost as much as a plain 2,600-square-foot roof in the same shingle.

Solar, gutters and ventilation

If you have solar panels, they come off before the tear-off and go back on after the final inspection. That work is performed by licensed solar and electrical contractors and scheduled and supervised by us as your general contractor, and it runs roughly $1,500 to $5,000 depending on the size of the array. Seamless aluminum gutters and downspouts installed with the roof run about $8 to $20 per linear foot. Attic ventilation is worth adding while the roof is open: the residential code calls for net free vent area of at least 1/150 of the attic floor, and on most 1950s to 1970s Valley houses the soffit vents are painted shut or missing.

Cool-roof and fire-zone requirements

These are code requirements rather than options, and they narrow which products you can use. Under the 2025 California Energy Code, in effect for permits filed on or after January 1, 2026, replacing more than 50 percent of a roof (or 2,000 square feet, whichever is less) triggers the cool-roof requirement, and products must carry a Cool Roof Rating Council label; the City of Los Angeles has separately required cool roofs on residential re-roofs since 2014. In a Very High Fire Hazard Severity Zone, which now includes much of the hillside Valley, the Santa Monica Mountains and the Orange County canyons after CAL FIRE’s March 2025 maps, the roof must be a Class A assembly with closed gaps under tile at the eaves and ridges, metal valley flashing, ember-resistant vents and no wood shakes or shingles. Cool-rated shingles and Class A assemblies are standard products now and rarely move the price much, but a fire-zone roof that also needs new vents, gutter covers and eave closures is a larger job than a like-for-like re-roof.

Repair, overlay or full replacement?

Repair makes sense when the covering has years left and the leak has a specific cause: a cracked pipe-jack boot, a rusted valley, a slipped tile, or a failed seam on a flat roof. Most repairs land between $500 and $3,000. What a repair cannot fix is underlayment gone brittle everywhere; patching one spot moves the leak to the next.

Overlay means new shingles over the existing layer. The California Residential Code does not allow it where the roof already has two or more layers, where the covering or deck is water-soaked or deteriorated, or over wood shake, slate or tile. We rarely recommend one even when it is legal: it hides damaged decking, adds weight, traps heat, and makes the next replacement cost more because there are two layers to remove instead of one.

Full replacement is a tear-off to the deck, replacement of damaged sheathing, new underlayment, new flashing at every penetration, and the new covering. It is the only option that lets you see the deck, and it is what every figure in the table above describes.

Tile roofs: lift and relay for about half the cost of new tile

If your tile roof dates from the 1980s or 1990s, the felt underneath is probably at the end of its life even if the tile looks perfect; the first signs are leaks at valleys and skylights and staining on the underside of the sheathing. A lift and relay removes the tile in sections, tears off the old underlayment and battens, replaces damaged sheathing, installs new underlayment with new metal at every valley, eave, wall and penetration, and resets the original tile with new fasteners. Broken tiles come from matching salvage stock. At $8 to $15 per square foot you keep the look for roughly half the cost of a new tile roof, and because the weight does not change, the job qualifies for the same express permit as any re-roof.

Do you need a permit to replace a roof in Los Angeles?

Yes. In the City of Los Angeles, which includes most of the San Fernando Valley, a re-roof is an express permit with no plan check when the new covering is Class A or B, weighs less than 6 pounds per square foot, and goes over solid sheathing. Heavier tile, new skylights, a pitch change or rafter work means plan check. The contractor certifies the finished work on the LADBS Re-roofing Certificate of Compliance, and any new sheathing gets a nailing inspection before it is covered. Our post on whether you need a permit to replace a roof in Los Angeles walks through the process. Burbank, Glendale, Pasadena, Santa Clarita, unincorporated Los Angeles County and every Orange County city issue their own re-roof permits under the same state codes.

The permit is a small part of the cost, and a quote that leaves it out is not cheaper. Without one there is no inspection of the new sheathing, no Certificate of Compliance for the next buyer’s disclosure, and no cool-roof or Class A documentation if the house is ever in a fire-zone insurance review.

Sources: LADBS Information Bulletin P/GI 2020-003, Express Permits (lists re-roofing among the work that can be permitted without plan check); California Energy Commission, 2025 Building Energy Efficiency Standards (the 2025 Energy Code and its cool-roof rules, which apply to permit applications filed on or after January 1, 2026).

How long does a roof replacement take?

These are typical Los Angeles budgeting estimates, not a price list or a quote. Your project can come in lower or higher depending on the house, the scope and the finishes; the only real number is a written proposal after a site visit.

An LADBS express re-roof permit is usually issued in days; heavier tile or new skylights go through plan check, and solar removal adds about a week on each side of the roofing work for the panels to come off and go back on. Add a week or two for shingle or tile to arrive if you choose a color that is not stocked locally.

In October 2025 we managed a roof replacement on a single-story house in Newport Beach that looked fine from the street. Once the old roofing came off, the original plank decking at the eaves was rotted through in several places, with old vent openings cut into it. The damaged boards were cut out and replaced and the fascia checked before any underlayment went on; then synthetic underlayment, new flashing and a light-gray architectural shingle went across the full roof, including the chimney and vent details. The homeowner saw the damaged sections before they were covered, which is the point of a full tear-off. Photos of every stage are on the Newport Beach roof replacement project page, and a Buena Park roof from August 2026 shows the same thing: one area of rotted decking under curling shingles, cut out and replaced before the new underlayment.

The same lesson is in our permit post: on a 1960s San Fernando Valley shingle replacement, tear-off exposed about 80 square feet of soft, stained deck around a bathroom vent from a slow leak nobody had seen from inside. Covering it would have put a new roof over a failing deck.

How to compare roofing quotes

Quotes for the same roof are only comparable when they describe the same work. Check that each one lists the tear-off and disposal of every existing layer, the underlayment product (synthetic or felt, and the ice-and-water membrane at valleys and penetrations), new flashing at every pipe, wall and chimney rather than reuse of the old metal, the exact shingle or tile product and its Cool Roof Rating Council listing, how much deck replacement is included and the per-sheet price beyond it, the permit and the Certificate of Compliance, ventilation, and the manufacturer’s and the contractor’s workmanship warranties. A quote priced in squares should say how many squares it counted; a difference of five squares on a 20-square roof explains a lot of price gaps. Confirm the license on the CSLB site: the contractor performing and permitting the roofing must hold an active C-39 Roofing classification, with workers’ compensation on file.

Where we manage roof replacements

We manage re-roofs from our Van Nuys office across the San Fernando Valley, the rest of Los Angeles County, Orange County, Ventura County, western Riverside County and western San Bernardino County. The material mix changes with the area: composition shingle on Valley and South Bay ranch houses, concrete and clay tile on the Spanish and Mediterranean homes of Pasadena, Orange County and the Inland Empire, flat torch-down and TPO on mid-century Valley houses and garage conversions, and Class A shingle or metal on hillside and canyon homes in the fire zones. The cool-roof rule reaches all of it: the Valley and Los Angeles basin, Orange County, inland Ventura, Riverside and San Bernardino all sit in climate zones where a steep-sloped re-roof needs a cool-rated product, and only the coast in Climate Zone 6 escapes the steep-slope rule. See all of our service areas.

Related cost guides: Foundation repair cost · Window replacement cost · Exterior house painting cost. If you plan to finance the work, our financing page explains the programs we offer and how progress payments work under California law.

Roof replacement cost FAQs

How much does a new roof cost in Los Angeles?

A new roof on a typical 1,500 to 2,000-square-foot single-story house in Los Angeles costs about $12,000 to $25,000 in composition shingle, $15,000 to $30,000 for a tile lift and relay, $20,000 to $45,000 in new concrete tile, and $30,000 to $65,000 in clay tile or standing-seam metal, including tear-off. Flat roofs run $8,000 to $28,000 depending on the system. These are typical Los Angeles budgeting ranges, not a quote.

How much does a roof replacement cost per square foot?

In Los Angeles, composition shingle runs about $5 to $10 per square foot of roof with tear-off, a tile lift and relay $8 to $15, new concrete tile $10 to $20, clay tile and standing-seam metal $15 to $30, torch-down flat roofing $5 to $10 and TPO $7 to $14. Roofers often quote per “square” (100 square feet), so $5 to $10 per square foot is $500 to $1,000 per square.

Is it cheaper to put new shingles over the old roof?

An overlay is cheaper up front because it skips the tear-off, but California code does not allow it where the roof already has two layers, where the covering or deck is deteriorated, or over shake, slate or tile, and we rarely recommend it even when it is legal. It hides damaged decking, adds weight, traps heat and makes the next replacement more expensive because two layers must come off instead of one.

Do I need a permit to replace my roof in Los Angeles?

Yes. In the City of Los Angeles a like-for-like re-roof with a Class A or B covering weighing under 6 pounds per square foot over solid sheathing is an express permit with no plan check, and the contractor signs the LADBS Re-roofing Certificate of Compliance at the end. Heavier tile, new skylights or structural changes go through plan check. Other cities in Los Angeles, Orange, Ventura, Riverside and San Bernardino counties issue their own permits under the same state codes.

How long does a roof replacement take?

Once material is on site, a composition shingle tear-off and replacement on a single-family house takes two to five working days, a tile lift and relay or new tile roof one to two weeks, standing-seam metal one to two weeks, and a flat torch-down, TPO or foam roof two to four working days. An LADBS express permit is usually issued in days, and removing and reinstalling solar panels adds about a week on each side.

Does a cool roof cost more?

Usually not much. Since 2014 the City of Los Angeles has required cool roofs on residential re-roofs, and under the 2025 California Energy Code replacing more than half of a roof triggers the cool-roof rule across the Valley, the Los Angeles basin, Orange County, inland Ventura, Riverside and San Bernardino. Cool-rated architectural shingles, tile and metal are standard products carrying a Cool Roof Rating Council label, so the requirement narrows the color choices more than it raises the price.

How long will the new roof last?

It depends on the material, and the honest figures are shorter than the warranties suggest. Composition shingle runs around 20 years in this climate, standing seam metal in excess of 60 according to the Metal Construction Association field assessment, and tile effectively as long as the house provided the underlayment beneath it is replaced periodically. We set out the sourced numbers by material in how long a roof lasts in Southern California.

My roof is leaking. Do I need to replace it?

Not necessarily. Most leaks start at a failed detail such as flashing, a valley or a pipe penetration rather than at the covering itself, and those are repairs. The signals that point to replacement are age, widespread granule loss or corroded fasteners, and a pattern of leaks in different places rather than one recurring spot. Our guide to roof leak repair walks through how the entry point is found and how to tell the two situations apart.

Get a written roof replacement price for your house

We will measure the roof, count the layers, check the deck from the attic and the fire-zone and cool-roof rules for your address before we write a number, and give you an itemized proposal that lists tear-off, deck replacement, underlayment, flashing, the roofing product, ventilation, permit and warranties line by line. The site visit and the estimate are free. How we manage a re-roof as your general contractor, from inspection to the Certificate of Compliance, is on our roof replacement and repair page.

Yes. In most cases, replacing a roof within the City of Los Angeles requires a building permit or re-roof certificate from the Los Angeles Department of Building and Safety (LADBS); outside the city, from your own city’s building department.

That includes most full roof replacements, tear-off projects, roof overlays, material changes, and work involving damaged sheathing or structural components. LADBS specifically lists qualifying re-roof projects as work that can receive an Express Permit without a traditional plan check. The department also states that a re-roof certificate is required when the roof of an existing building is replaced or repaired.

The exact process depends on the roofing material, weight, existing roof condition, structural scope, property location, and whether the home is in a special planning or fire-hazard area.

This article focuses on properties located within the City of Los Angeles. Properties in unincorporated Los Angeles County or another incorporated city may be subject to a different building department and different procedures.

When Is a Roofing Permit Required in Los Angeles?

Full Tear-Off Roof Replacements

A full tear-off is the most common roofing project we handle. This means removing the existing shingles, tile, underlayment, and other roof covering materials down to the roof deck before installing the new roofing system.

Whether the homeowner is replacing composition shingles with new shingles or removing tile and installing a different material, a complete roof replacement should be treated as permit-required work.

A tear-off also allows the roof deck to be examined for:

• Water damage
• Dry rot
• Termite damage
• Soft or deteriorated sheathing
• Improper previous repairs
• Damaged framing around vents, skylights, and roof penetrations

These conditions are often impossible to see during the initial estimate because they are hidden below the roofing material.

Roof Overlays and Multiple Existing Layers

Some homeowners ask whether they can install new shingles directly over an existing roof to save time and demolition costs. That may be allowed in limited situations, but it is not always a good idea.

California’s current residential roofing code does not allow a new roof covering to be installed over an existing roof when the property already has two or more roof-covering applications. In that situation, the existing layers must be removed.

Even when an overlay is technically possible, we still evaluate whether it makes sense. Covering the existing roof can hide damaged decking, add weight, make future leak detection more difficult, and shorten the practical life of the new roofing system.

A lower upfront price does not always mean better value.

Changing From Shingles to Tile, Metal, or Another Material

Changing roofing materials can affect more than the appearance of the house.

Concrete and clay tile, for example, can place significantly different loads on the roof framing than lightweight composition shingles. When a new roofing system falls outside the requirements for an Express Permit, structural plans or additional review may be required.

The current LADBS Express Permit bulletin allows qualifying Class A or Class B roof coverings weighing less than six pounds per square foot over existing or new solid sheathing. A heavier material or a project involving structural alterations may require plan review instead.

We have encountered homeowners who wanted to replace lightweight shingles with concrete tile without first confirming whether the existing framing could support it. That is exactly the kind of issue that should be resolved before thousands of pounds of new material are loaded onto the structure.

Skylights, Dormers, Pitch Changes, and Structural Work

A roof replacement becomes more involved when the project includes:

• Installing or enlarging skylights
• Adding dormers
• Changing the roof pitch
• Modifying rafters or trusses
• Reframing sections of the roof
• Changing drainage patterns
• Building new roof openings
• Correcting structural sagging

These improvements are not simply roofing work. They alter the building and will generally require plans, structural details, and possibly engineering.

What About Minor Roof Repairs?

This is where homeowners should be careful about relying on general information found online.

Some websites repeat a supposed 100-square-foot exemption for roofing repairs. We would not rely on that number when making a decision for a property in the City of Los Angeles. The current LADBS FAQ broadly states that a re-roof certificate is required when an existing roof is replaced or repaired and advises homeowners to contact the department for project-specific guidance.

Replacing a few damaged shingles, resealing flashing, or making a small localized repair may be handled differently from replacing an entire roof section. However, the safest approach is to confirm the requirement based on the exact address and written scope instead of assuming the project is exempt.

For small repairs, we also recommend documenting the work with:

• Before-and-after photographs
• A written scope of work
• Material information
• The contractor’s invoice
• Any warranty provided
• Written confirmation of whether a permit was required

That documentation can be valuable when the home is sold, inspected, refinanced, or involved in an insurance claim.

A Real Project Where the Permit Protected the Homeowner

We worked with the owner of a 1960s single-story home in the San Fernando Valley who wanted what appeared to be a straightforward roof replacement.

The existing composition shingles would be removed and replaced with new composition shingles. There were no planned skylights, framing changes, or material upgrades. The homeowner mainly wanted the project completed before the rainy season.

Once the crew removed the existing roofing, we found water staining and soft decking around a bathroom vent stack. A slow leak had been affecting the roof for years, but it had never created a visible stain on the bathroom ceiling.

Approximately 80 square feet of the roof deck was compromised.

Because the project was being completed properly, the damaged area could not simply be covered with new underlayment and shingles. Work had to pause while the homeowner reviewed and approved the additional sheathing replacement.

Nobody enjoys having a mid-project conversation about an unexpected cost. The repair added several days to the schedule and several thousand dollars to the project.

However, the alternative would have been much worse.

A crew cutting corners could have covered the deteriorated decking and installed a beautiful-looking roof over a failing surface. The finished roof might have looked acceptable from the ground while the hidden damage continued underneath it.

That could eventually lead to:

• Premature roof failure
• Continued water intrusion
• Mold or interior damage
• Structural sagging
• More expensive framing repairs
• Problems during a future home inspection

The permit was not the problem in that situation. The permit process prevented the real problem from being hidden.

Does Every Roof Replacement Require a Full Plan Check?

No. Many ordinary residential re-roofing projects can qualify for an LADBS Express Permit.

Projects That May Qualify for an Express Permit

Under the current LADBS bulletin, qualifying projects include re-roofing with Class A or Class B material weighing less than six pounds per square foot over existing solid sheathing or new solid sheathing.

This means that replacing some or all of the sheathing does not automatically force the project into a full plan check. The complete scope must still meet the Express Permit requirements.

Express Permits can be obtained through the city’s online permitting system or processed through an LADBS permitting counter.

Projects That May Require Plan Review

Plan review may be needed when the project includes:

• Structural framing modifications
• A significant increase in roofing weight
• Changes to the roof shape or pitch
• New dormers or large roof openings
• Nonstandard construction details
• Work outside the Express Permit qualifications
• Repairs that extend beyond ordinary roofing and sheathing work

This distinction should be made before the project start date is promised.

One of the easiest ways for a contractor to create an unrealistic schedule is to assume a job qualifies for an Express Permit before reviewing the entire scope.

Special Fire-Zone and Cool-Roof Requirements

The property’s location can also affect which roofing products are allowed.

LADBS requires a Class A roof covering within a Very High Fire Hazard Severity Zone. The current Express Permit bulletin also states that when more than 50% of a residential roof is replaced, a qualifying product labeled and certified by the Cool Roof Rating Council must be used.

Homeowners should not select a roof based solely on a sample board or color photograph. Before materials are ordered, the contractor should confirm:

• Product approval
• Fire classification
• Weight
• Cool-roof compliance
• Manufacturer installation requirements
• Compatibility with the existing roof slope
• Whether the product is accepted for the property’s location

Ordering the wrong material can delay the project and create restocking charges.

Who Should Pull the Roofing Permit?

Our position is straightforward: when a licensed contractor is performing the roof replacement, the contractor should normally obtain the permit under the contractor’s own license.

The contract should state something similar to:

“Contractor shall obtain all required permits under the contractor’s CSLB license before commencing permit-required work.”

A contractor asking the homeowner to pull an owner-builder permit deserves additional scrutiny.

An owner-builder permit is not simply a way to save a permit fee. When a homeowner signs as the owner-builder, the homeowner assumes responsibility for the project, permits, code compliance, inspections, and other obligations associated with managing the work.

That does not mean every owner-builder project is improper. Homeowners can legally manage certain work themselves. The concern is a contractor who is actually controlling the job while asking the homeowner to appear on the permit as the responsible builder.

A licensed roofing contractor pulls the permit in their own name. Our roof replacement and repair service is performed and permitted by a contractor holding an active C-39 classification, scheduled and supervised by Green Design and Build as the general contractor.

How to Verify a Roofing Contractor Before Signing

Do not rely solely on a license number printed on a truck, estimate, or business card. Verify the license directly through the California Contractors State License Board.

For a stand-alone roofing project, we generally look for an active C-39 Roofing classification. A properly licensed General Building contractor (Class B) may schedule and supervise the work as your general contractor, but the roofing itself is performed and permitted under a C-39 Roofing license.

Homeowners should verify:

• The license is active
• The business name matches the contract
• The contractor has the correct classification
• The contractor’s bond is current
• Workers’ compensation coverage is on file
• There are no concerning disciplinary actions
• The salesperson is properly registered when required

CSLB specifically advises homeowners to check the license status rather than assuming that a printed license number is valid. CSLB also requires every C-39 roofing contractor to carry workers’ compensation insurance or approved self-insurance, even with no employees; most other license classifications may still file an exemption until the rule extends to all contractors in 2028.

What the Roofing Contract Should Say About Permits

Permit responsibility should never be left to a verbal conversation.

Before signing, the contract should explain the following.

Who Obtains the Permit

The contract should identify the party responsible for submitting the application, paying the city, scheduling inspections, responding to corrections, and obtaining final approval.

Whether Permit and Inspection Costs Are Included

Permit costs vary by project scope and valuation. The contract should clearly state whether they are:

• Included in the contract price
• Listed as a separate fixed line item
• Charged at the actual city cost
• Subject to additional fees if the scope changes

The homeowner should not discover after demolition that permitting was excluded from the proposal.

Who Pays for Inspector-Required Corrections

If a correction is required because the contractor installed something incorrectly or failed to follow the approved scope, that correction should generally be the contractor’s responsibility.

Hidden conditions are different.

Rotten sheathing, damaged framing, termite damage, or other concealed conditions may legitimately require a homeowner-approved change order. The contract should explain how those conditions will be documented, priced, and authorized before additional work begins.

How Additional Decking Is Priced

Roofing contracts should contain a clear unit price or pricing method for unforeseen sheathing replacement.

For example, the contract might state how much additional plywood or OSB replacement will cost per sheet or per square foot. Without an agreed method, the homeowner may feel trapped once the roof is open and exposed.

When Final Payment Is Due

We strongly recommend tying final payment to project closeout, including the required final inspection.

The roof looking complete from the driveway is not the same as the permit being finalized.

Once the final payment has been released, the homeowner’s practical leverage to resolve unfinished paperwork or corrections is significantly reduced.

The Typical Los Angeles Roofing Permit Process

Outside the City of Los Angeles the steps are similar, but Orange County and Ventura County cities run their own building divisions with their own forms and timelines.

Step 1: Confirm the Scope and Permit Type

The contractor reviews the property, existing roofing layers, proposed roofing system, structural conditions, fire-zone requirements, and whether the work qualifies for an Express Permit.

Step 2: Submit and Obtain the Permit

A qualifying re-roof may be processed through the LADBS Express Permit system. A project involving structural changes or work outside the express qualifications may require plans and formal review.

Step 3: Complete the Tear-Off

The existing roofing is removed as described in the approved scope. Once exposed, the decking and accessible roof components can be evaluated.

Step 4: Address Hidden Damage

Any deteriorated sheathing or framing should be photographed and presented to the homeowner before additional work is performed.

When new rough sheathing is installed, LADBS identifies the roof-nailing inspection point as the stage when the sheathing is in place and nailed. Construction should not be covered before a required inspection is completed.

Step 5: Install the Roofing System

After the required approvals, the underlayment, flashing, vents, roof covering, and related components are installed according to the permitted scope, applicable code, and manufacturer requirements.

Step 6: Request Final Inspection

After the work is complete, a final inspection should be requested to close the permit. LADBS instructs homeowners to complete the final inspection process after the required inspections and work are finished.

The final approval and related permit documentation should be retained with the home’s permanent records.

How Long Does the Permit and Roofing Process Take?

For a straightforward like-for-like roof replacement that qualifies for an Express Permit, the permitting portion may be completed quickly through the online system. The physical roofing work on an average single-family home often takes approximately two to five working days based on our experience.

That does not mean every roof can be completed in one uninterrupted week.

Additional time may be needed for:

• Inspection scheduling
• Weather
• Material availability
• Hidden deck damage
• Structural corrections
• Change-order approval
• HOA review
• HPOZ approval
• Plan-check corrections
• Unusual access or safety requirements

A project requiring structural plans should not be scheduled like a simple Express Permit re-roof. Formal review can add substantial time before construction begins.

Historic Districts and HOA Properties Need Additional Review

Homes within a Los Angeles Historic Preservation Overlay Zone, or HPOZ, may need City Planning approval before construction begins. Los Angeles City Planning states that projects in an HPOZ require planning approval and, depending on the work, may require HPOZ board review.

Roofing material, color, profile, visible flashing, fascia details, and other exterior features can matter in a historic district.

Properties governed by an HOA may also require written architectural approval under the community’s private rules. HOA approval does not replace an LADBS permit, and an LADBS permit does not automatically satisfy the HOA.

Both should be addressed before materials are ordered.

Common Roofing Permit Myths

“It Is My House, So I Can Do Whatever I Want”

Homeownership does not eliminate building-code requirements. Roofing affects fire resistance, weather protection, structural loading, and the safety of the building.

“My Roofer Said a Permit Is Not Necessary”

A contractor’s verbal statement does not protect the homeowner.

Ask for the permit determination in writing and verify that the permit has actually been issued before permit-required work begins. CSLB states that a contractor’s failure to obtain a required building permit violates California contractor licensing law and can expose the homeowner to additional costs and liability.

“Permits Are Just a Government Fee”

The fee is only one part of the process. The more important benefit is the inspection record and the opportunity to catch work that should not be covered.

“We Can Legalize It Later”

After-the-fact approval can be much more difficult. Once underlayment and roofing have covered the deck, an inspector cannot see the nailing, sheathing repairs, flashing details, or concealed installation.

The city may require documentation, corrections, or portions of the completed work to be exposed before approving it.

“Nobody Will Know When We Sell”

LADBS maintains searchable property records containing permit and inspection information. Buyers, agents, inspectors, and homeowners can review permit history for a property through city record systems.

An absence of documentation does not automatically destroy a sale, but it can lead to questions, renegotiation, repair credits, or requests for additional investigation.

What Can Happen When a Roof Is Replaced Without a Permit?

Possible consequences include:

• A stop-work order
• Additional permit or investigation fees
• Required corrections
• Removal or exposure of completed work
• Difficulty proving how concealed work was installed
• Delays during a future sale or refinance
• Disputes with the contractor
• Questions from an insurance carrier after a loss
• Responsibility for bringing the work into compliance

We would not tell a homeowner that every insurance claim involving an unpermitted roof will automatically be denied. Insurance policies and the cause of loss vary. However, unpermitted work creates another issue that the carrier may investigate, which is rarely helpful during an already stressful claim.

The money saved by skipping a permit is usually small compared with the cost of opening a completed roof, correcting concealed work, and trying to legalize the project afterward.

What Los Angeles Allows You to Roof Over

The City of Los Angeles does not simply follow the state default here. Under Los Angeles Municipal Code Section 91.1512, the City declines to adopt two sections of the California Building Code and substitutes its own Table 1512.1, Allowable Reroofs Over Existing Roofing. The table sets out, for each existing covering, which new coverings may be laid over it and which are marked NP, meaning not permitted.

Two rules in that table catch homeowners out more than any others:

• An existing tile roof cannot be covered with anything. Every option in the tile row is marked NP. Tile comes off. The alternative is a lift and relay, which the City treats as its own category of work.
• An existing metal roof can only take metal. Built-up, asphalt shingle, tile, modified bitumen and spray foam are all NP over metal.

Built-up, asphalt shingle and modified bitumen roofs have more options, and some of them carry a minimum slope condition. Because the table is specific and the consequences of getting it wrong are a failed inspection and a second tear-off, confirm your particular combination with LADBS before materials are ordered rather than relying on a general rule of thumb about layer counts.

Wood Shake and Shingle Roofs Are Not Permitted Anywhere in the City

This one is absolute and it surprises owners of older homes. Los Angeles Municipal Code Section 91.1505.1, as amended by Ordinance No. 188,797 effective 31 December 2025, states that no wood shake or wood shingle roof covering is permitted anywhere in the City. Not in the hillsides, not in the flats, not as a like-for-like replacement of what is already there.

If you have a wood shake roof on a 1920s or 1930s house, replacing it means changing material. Composition shingle, tile, metal and synthetic products that carry the required fire classification are all available, and several are made to read as shake from the street. Fire classification itself is set by construction type under Table 1505.1 rather than being a single citywide class, with one exception: in a Very High Fire Hazard Severity Zone, Section 91.7207.4 requires a Class A assembly and again bars shakes and shingles.

The Re-Roofing Certificate That Can Replace an Inspection

Most homeowners assume a permit always ends with an inspector on the roof. Los Angeles Municipal Code Section 91.108.1 contains an exception: where a permit has been obtained for re-roofing, the Department may waive inspections provided the work was performed by a licensed contractor, or by the property owner using their own employees, and that person certifies the materials comply.

The instrument is an LADBS form, the Re-Roofing Certificate of Compliance, signed with a license number. The form itself warns that amending, altering or appending any printed portion of it renders it void. Two practical points follow. Keep the certificate with your house records, because it is the document a buyer’s agent or an insurer will ask for years later. And treat a contractor who is vague about who signs it as a warning sign, because signing it is an assertion of licensure.

Los Angeles Roof Permit FAQs

Two companion guides answer the questions that usually come next: roof leak repair, for deciding whether you are patching or replacing, and how long a roof lasts in Southern California, for what to expect from each material.

Do I need a permit to repair my roof, or only to replace it?

Repairs need permits too. Los Angeles Municipal Code Section 91.106.1.1 requires a permit to erect, construct, alter, repair, demolish, remove or move any building. The general exemption is by value, not by size: work valued at $2,500 or less is exempt, unless it impacts structural stability, affects public safety, is done to comply with a Department order, or involves a change of use. Note that there is no square-footage or percentage-of-roof threshold anywhere in the LA code, despite how often one is quoted online.

Can a roof replacement be permitted over the counter?

Often, yes. LADBS lists re-roofing on its express permit schedule, which means no plan check. The published items cover re-roofing with Class A or B covering weighing less than six pounds per square foot, over either existing or new solid sheathing. The six-pound weight limit is the practical dividing line: heavier tile assemblies push the job into structural review.

Does a cool roof requirement apply to my re-roof?

It applies when 50% or more of the roof is being replaced. Los Angeles sits in California climate zones 8 and 9. For a steep-sloped roof, pitch of 2:12 or greater, the prescriptive minimum is 0.20 aged solar reflectance, 0.75 thermal emittance, or a minimum SRI of 16. Low-sloped roofs are held to a much higher 0.63 aged solar reflectance or SRI 75. There are alternatives to meeting the reflectance figure directly, including added deck insulation, a radiant barrier, or roof area covered by solar panels.

I only want to lift my tiles and replace the underlayment. What then?

That work has its own line on the LADBS express permit list: remove existing roof tiles, apply new underlayment and reset the tiles, with cool roof compliance expressly not required. This matters because on a tile roof the underlayment is usually what fails first while the tile itself is still serviceable, so a lift and relay is a genuine option rather than a compromise.

Can I put a new layer over my existing shingles?

Sometimes, depending on what is already there. Los Angeles uses its own Table 1512.1 rather than the state default, and the answer depends on the existing covering. Tile takes nothing over it. Metal takes only metal. Asphalt shingle can take a new asphalt shingle, tile at a minimum slope, metal or modified bitumen. Because the table is specific and the penalty for guessing is a second tear-off, confirm your combination with LADBS.

Can I replace my wood shake roof with wood shakes?

No. Section 91.1505.1 of the Los Angeles Municipal Code states that no wood shake or wood shingle roof covering is permitted anywhere in the City. A like-for-like replacement is not available, so a shake roof at end of life means selecting a different material.

Who is supposed to pull the permit, me or my roofer?

Your licensed contractor should pull it. When a homeowner pulls the permit as an owner-builder, the homeowner takes on the responsibilities that would otherwise sit with the contractor. A roofer who asks you to pull the permit is asking you to carry their risk, and it is reasonable to decline and to ask why.

Does an unpermitted roof cause problems when I sell?

It can. Unpermitted work tends to surface during escrow, in an inspection or a title search, and it becomes a negotiating point at the worst possible moment. Permitted work leaves a record: the permit, the final inspection or the signed Re-Roofing Certificate of Compliance. Insurers ask for the same evidence after a loss.

Sources

Roofing permit rules differ by city, and fees are amended regularly. The Los Angeles rules described above were checked against the current LADBS sources on the date shown; if your house is outside the City of Los Angeles, confirm with the building division that will issue the permit.

• LADBS Information Bulletin P/GI 2020-003, Express Permits (No Plan Check Required) — lists re-roofing among the work that can be permitted without plan check.
• LADBS — Express Permits — how that permit is obtained, online or by appointment at a Development Services Center.

Last reviewed 17 September 2026.

Our Bottom Line

For a roof replacement in the City of Los Angeles, begin with the expectation that a permit will be required.

Before signing a contract, confirm:

• Which permit applies
• Who will obtain it
• Whether the cost is included
• Which inspections are required
• How concealed damage will be priced
• Who is responsible for corrections
• When the final payment becomes due
• Whether the property requires HPOZ or HOA approval

A permit cannot guarantee that every contractor will perform perfect work. What it provides is another layer of accountability, required inspection points, and a permanent record that the project was reviewed and closed properly.

We have seen permits uncover conditions homeowners were unhappy to pay for in the moment. We have also seen how much more those conditions would have cost if they had been covered and ignored.

The goal is not simply to finish the roof quickly. The goal is to install a roofing system that protects the home, complies with the applicable requirements, and does not create a larger problem years later.

Get a written roof replacement estimate

We will walk the site, confirm what your city requires, and send an itemized written proposal with every allowance named. The site visit and the estimate are free.