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| 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 |
Specialist Roofing & Repair appears in this directory. Confirm current services and qualifications directly with the company.
They provide 24/7 emergency roofing services, a 10-year workmanship warranty, and run background checks on all workers.
Rafael and Iris Roofing appears in this directory. Confirm current services and qualifications directly with the company.
AJ Reyes Roofing appears in this directory. Confirm current services and qualifications directly with the company.
With 301 Yelp reviews in Pasadena and offices on both Ventura Blvd and Lincoln Ave, they cover all of LA County.
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.
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.
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.
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.
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.
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.
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.
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.