LA Reroof Permits and Title 24 Cool-Roof Rules (2026 Guide)
Replacing a roof in Los Angeles almost always requires a Los Angeles Department of Building and Safety permit, and most reroofs also fall under the city Cool Roof Ordinance, which incorporates California Energy Code Title 24 reflectance standards. This guide walks through when a permit is required, how the Express Permit process works, what cool-roof compliance actually requires from your roofer, and what extra rules apply if your home sits in a Very High Fire Hazard Severity Zone.
By Jason Green · Roofing & Gutters · Published August 13, 2026 · Updated August 13, 2026 · 8 min read
When LADBS requires a reroof permit
Under LAMC Section 91.1511, reroofing more than 100 square feet on a residential building requires a building permit from LADBS before work starts, and this applies whether you are re-covering over existing material or doing a full tear-off, with tear-off required once too many existing layers are present.
Small patch repairs under that threshold, such as replacing a handful of damaged shingles or resealing a small flashing area, generally do not require a permit, but contractors should confirm scope with LADBS if a repair starts expanding into a larger section of roof.
How the Express Permit process works
LADBS Information Bulletin P/GI 2020-003 describes Express Permits, which let straightforward one- and two-family dwelling reroofs skip a full plan check appointment and get permitted online or over the counter, provided the roofing material and scope match an eligible category.
Applicants submit through the LADBS e-Permit system referenced at permitla.org, listing the roof covering type, square footage, and slope, and pay the permit fee before scheduling the required inspections, typically an in-progress inspection and a final.
What Title 24 cool-roof compliance requires
The California Energy Code, Title 24 Part 6, sets minimum aged solar reflectance and thermal emittance requirements for roof coverings on most residential alterations, and the City of Los Angeles adopted these into its own Cool Roof Ordinance amending LAMC 99.04.106.5.
In practice, this means your roofer needs to install a Cool Roof Rating Council (CRRC) rated product meeting the reflectance threshold for your specific roof slope category, and the permit package typically includes a CF1R energy compliance form documenting the product meets the standard.
Not every roof section is covered the same way; low-slope roofs generally have stricter reflectance thresholds than steep-slope tile or shingle roofs, so ask your contractor which CRRC-rated product they are specifying for each roof plane.
Extra rules in fire hazard zones
Homes in a CAL FIRE-mapped Very High Fire Hazard Severity Zone, which includes hillside communities in the Santa Monica Mountains and parts of Mount Washington and Highland Park, generally must use a Class A fire-rated roof assembly.
If your existing tile or shingle roof predates current fire zone mapping, a full reroof may be the point where LADBS requires you to upgrade to the current Class A assembly standard, so confirm this with plan check staff before ordering material.
Inspection and closing out the permit
After work is complete, schedule your final LADBS inspection through the same e-Permit portal used to pull the permit; the inspector checks the roof covering, flashing, and, where applicable, the cool-roof product label or documentation.
Keep a copy of your CRRC product label and the CF1R form with your home records, since a signed-off reroof permit and cool-roof documentation can matter later for resale disclosures or insurance.
Typical cost ranges
| LADBS reroof permit fee (typical single-family) | $250 - $650 |
| Express Permit online processing | $0 - $150 convenience/admin fees |
| CRRC-rated cool roof product premium vs standard | $0.50 - $2.00 per sq ft |
| Class A fire-rated assembly upgrade (if required) | $1,500 - $6,000 |
| Final inspection scheduling | Included in permit fee |
Ranges are general estimates gathered from homeowner-reported quotes, not an offer or a quote for your project.
Common questions
Does every Los Angeles reroof need a permit?
Reroofing more than 100 square feet on a residential structure requires an LADBS permit under LAMC 91.1511; small patch repairs generally do not.
What is the Cool Roof Ordinance?
It is a Los Angeles ordinance amending LAMC 99.04.106.5 that applies California Energy Code Title 24 cool-roof reflectance and emittance standards to qualifying reroofs in the city.
Can I get a reroof permit online?
Yes, most one- and two-family dwelling reroofs qualify for an LADBS Express Permit processed through the e-Permit system without a full plan check appointment.
Do tile roofs have the same cool-roof requirements as flat roofs?
No, low-slope roofs generally face stricter reflectance thresholds than steep-slope tile or shingle roofs under Title 24.
What happens if my home is in a fire hazard zone?
You may be required to install a Class A fire-rated roof assembly as part of your reroof, per LADBS and CAL FIRE severity zone mapping.
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