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Updated October 2026

Flat & Low-Slope Roofing Contractors in Los Angeles

Compare services, check credentials, and contact a roofing company directly.

How we choose

5 results

Compare contractors (5)

Quick Comparison

Rank Company Specialty Experience BBB Website
1 Specialist Roofing & Repair OC Platinum (Top 1%) Not independently verified Not independently verified Visit
2 Hunters Roofing & Solar Roofing services Not independently verified Not independently verified Visit
3 Rafael and Iris Roofing Top 1% Rated Not independently verified Not independently verified Visit
4 AJ Reyes Roofing Residential Roofing Not independently verified Not independently verified Visit
5 J & J Roofing Widest System Range Not independently verified Not independently verified Visit

Contractor Listings and Services

#2

Hunters Roofing & Solar

Roofing services
ExperienceNot independently verified
BBB StatusNot independently verified
SpecialtyNot independently verified
Service AreaNorthridge, San Fernando Valley
Services and company details

They provide 24/7 emergency roofing services, a 10-year workmanship warranty, and run background checks on all workers.

Residential Roofing Commercial Roofing Solar Installation Emergency Roofing (24/7) Tile Roofing Slate Roofing Flat Roofing
#3

Rafael and Iris Roofing

Top 1% Rated
ExperienceNot independently verified
BBB StatusNot independently verified
SpecialtyNot independently verified
Service AreaValley Village, North Hollywood, LA County
Services and company details

Rafael and Iris Roofing appears in this directory. Confirm current services and qualifications directly with the company.

Shingle Replacement Flat Roof Replacement Tile Replacement Roof Coating Silicone Coating Solar Installation General Contracting
#4

AJ Reyes Roofing

Residential Roofing
ExperienceNot independently verified
BBB StatusNot independently verified
SpecialtyResidential Roofing
Service AreaGranada Hills, San Fernando Valley
Services and company details

AJ Reyes Roofing appears in this directory. Confirm current services and qualifications directly with the company.

Shingle Roofing Tile Roofing Flat Roofing Roof Maintenance Free On-Site Quotes
#5

J & J Roofing

Widest System Range
ExperienceNot independently verified
BBB StatusNot independently verified
SpecialtyWidest System Range
Service AreaLA & Pasadena Offices
Services and company details

With 301 Yelp reviews in Pasadena and offices on both Ventura Blvd and Lincoln Ave, they cover all of LA County.

Shingle Roofing Tile Roofing Slate Roofing TPO Cool Roofing Roof Coating Preventive Maintenance

Flat and Low-Slope Roofing in Los Angeles: Drought, Heat, and Seismic Context

Mid-century modern and post-war residential flat roofs in Los Feliz, Silver Lake, and the Eastside

Los Angeles has an unusually high concentration of architect-designed flat-roof residences from the 1940s through 1960s, many of which retain original built-up tar-and-gravel roofing that has been repaired repeatedly over the decades. When these systems reach end of life, the replacement choice — typically EPDM or TPO — must respect the design intent of wide overhangs, exposed beam tails, and parapet-free edges that characterize mid-century modern construction. Details at these edges require custom termination rather than standard termination bar, and contractors experienced with this housing type handle the transitions more reliably.

Commercial buildings pursuing California Title 24 cool-roof compliance

California's Title 24 energy code mandates minimum solar reflectance and thermal emittance for commercial roof replacements in most climate zones covering the LA basin. White TPO and light-colored EPDM membranes meet these requirements by default. If a darker membrane or a recover over an existing non-compliant system is proposed, confirm the assembly still meets the required metrics — product data sheets from the manufacturer will specify the installed system's Title 24 compliance status.

Post-rain-season inspection and repair on neglected flat roofs

Los Angeles's rainy season typically runs from November through March. The first heavy rain after a long dry period is frequently the event that reveals accumulated membrane failures — blisters, open seams, failed pipe boots — that have been developing through the summer. Spring is the optimal season for flat-roof repairs and replacements because the rainy season has just ended, contractor schedules are more flexible than the summer rush, and the long dry period ahead means repairs can cure without weather interruption.

Frequently Asked Questions

How many flat & low-slope roofing contractors are in Los Angeles?

This directory includes 5 flat & low-slope roofing contractors listed for Los Angeles, California. List position is not a verified quality score; confirm current service availability directly.

How do I choose a flat & low-slope roofer in Los Angeles?

Confirm licensing and insurance for California, ask for flat & low-slope project references in Los Angeles, and compare written quotes. Check dated sources for individual claims.

Do Los Angeles flat roofs need to comply with Title 24 cool-roof requirements?

Yes. California's Title 24 Part 6 energy code sets minimum aged solar reflectance and thermal emittance values for low-slope roofs on most commercial and multi-family residential buildings when the roof is replaced. The LA basin falls in Climate Zones 9 through 11 and Zone 6, all of which require cool-roof compliance for qualifying roof types. Single-family residences have different thresholds. Your contractor should be able to provide Title 24 compliance documentation for the specific product and assembly proposed.

How often does a flat roof need inspection in LA's dry climate?

Annual inspection before the rainy season — ideally in October or November — is the standard recommendation. The inspection should focus on seam condition, blister development, drain clearance, and the condition of penetration flashings and parapet cap flashings. A secondary inspection in spring after the rains allows assessment of how the system performed and identifies any seam lifts or surface erosion that the wet season may have accelerated. Post-seismic inspection following any moderate or stronger event is also advisable.

What causes blisters on Los Angeles flat roofs and are they a sign of failure?

Blisters form when moisture trapped in the roofing assembly vaporizes under solar heating and creates pressure between membrane layers. In LA's intense sun, this process is accelerated during summer months. Small blisters that are firm to the touch may be stable for years, but large or soft blisters indicate delamination and are potential failure points under foot traffic or wind. A roofing professional can probe blisters to assess whether they are isolated or connected to a larger delaminated zone that requires repair or section replacement.

Other Roofing Specialties in Los Angeles