Roofing Companies in Los Angeles, CA: How to Hire One (2026)
LA roofs do not fail from storms — they fail from twenty years of UV, a few atmospheric rivers, and flashing nobody replaced. Add wildfire-zone requirements in the hillside neighborhoods and Title 24 cool-roof rules on replacements, and hiring a roofer here is mostly about licensing and code literacy. Here is what to check.
By Homeowner Henry · Roofing & Gutters · Published August 25, 2026 · Updated August 25, 2026 · 7 min read
CSLB C-39 is the license to look for
Roofing in California is classification C-39, and any job over $500 in labor and materials requires an active CSLB license. Run the number through the CSLB Instant License Check: classification, active status, bond, workers' compensation and disciplinary history all show there.
Roofing is one of the highest-injury trades, so confirm workers' compensation specifically — not just general liability — and have the certificate emailed by the agent.
Title 24 and cool roofs are not optional
California's Title 24 energy code sets solar reflectance and thermal emittance requirements for most residential roof replacements in the LA climate zone. Your contractor should name the product's cool-roof rating and confirm it complies, in writing.
In Very High Fire Hazard Severity Zones — much of the Santa Monica Mountains, the hillside neighborhoods and the foothills — a Class A fire-rated assembly and ember-resistant vents apply. Ask how they detail the eaves and vents, not just the shingles.
What a real LA scope includes
Tear-off to the deck, decking replacement priced per sheet, underlayment appropriate to the slope, new flashing at every penetration and wall intersection rather than reused, replacement pipe boots, and proper detailing where a low-slope patio roof meets a pitched section — the classic LA leak.
For tile roofs, ask whether they are relaying existing tile over new underlayment and how many broken tiles are included. That detail is where tile bids diverge by thousands.
Permits, timing and warranties
Re-roofs require an LADBS permit and the contractor pulls it in their name; addresses in Santa Monica, Pasadena, Burbank or Long Beach go through their own building departments. Inspection follows.
Late spring through fall is the dry working window; roofers get booked hard after the first rains. Get the manufacturer's material warranty and the contractor's workmanship warranty listed separately, and keep the down payment inside California's $1,000 or 10 percent cap.
Typical cost ranges
| Repair call, flashing or small leak | $450 - $1,600 |
| Asphalt shingle replacement, 1,600 sq ft one story | $11,000 - $19,000 |
| Asphalt shingle replacement, 2,600 sq ft two story | $17,000 - $30,000 |
| Tile roof relay over new underlayment, 2,000 sq ft | $16,000 - $32,000 |
| Standing seam metal roof, 2,000 sq ft | $22,000 - $42,000 |
Ranges are general estimates gathered from homeowner-reported quotes, not an offer or a quote for your project.
Common questions
How much does a new roof cost in Los Angeles?
In 2026, asphalt shingle replacement runs roughly $11,000 to $19,000 on a one-story home and $17,000 to $30,000 on a 2,600 square foot two story. Relaying a tile roof over new underlayment is typically $16,000 to $32,000.
Do roofers need a license in California?
Yes. Roofing is CSLB classification C-39 and a license is required on any job over $500 in labor and materials. Verify it — plus workers' compensation — in the CSLB Instant License Check.
What is a cool roof and do I need one in LA?
California's Title 24 energy code requires most residential roof replacements in the LA climate zone to meet solar reflectance and thermal emittance minimums. Your contractor should confirm the product's cool-roof rating in writing.
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