Flat & Low-Slope Roofing in San Francisco, CA
Flat and low-slope roofing covers any commercial roof under roughly 3:12 pitch — which is most commercial buildings. Because water drains slowly and ponds, these roofs rely on a continuous waterproof membrane (TPO, PVC, EPDM, modified bitumen, or BUR) and proper drainage rather than the gravity-shedding overlap that works on a steep residential roof.
Top Flat & Low-Slope Roofing Contractors in San Francisco
Listings updated July 2026
SF Pro Roofing
San Francisco, CA
Licensed flat roof specialist (LIC #1121631) in San Francisco, CA offering commercial installation, repair, drainage des...
ROOF EXPRESS
San Francisco, CA
GAF Master Elite contractor serving San Francisco's commercial market — TPO, EPDM, BUR, modified bitumen, coatings & met...
ELM Roofing Contractors Inc
San Francisco, CA
ELM Roofing Contractors offers C39-licensed commercial roofing in San Francisco — TPO, EPDM, modified bitumen & SPF with...
Equinox Roofing Solutions
San Francisco, CA
Equinox Roofing Solutions serves commercial clients across San Francisco & the Bay Area with flat roofing, modified bitu...
Marina Bay Roofing
San Francisco, CA
C-39 licensed commercial roofer in San Francisco — TPO, EPDM, metal & flat roofing for office, retail & multifamily acro...
One Roofing
San Francisco, CA
Licensed San Francisco commercial roofer specializing in flat roof replacement, TPO, EPDM, modified bitumen, and leak re...
San Francisco Roofing Pro
San Francisco, CA
San Francisco Roofing Pro (Apex Sheet Metal) handles flat roof repair, metal roofing, waterproofing & full replacement f...
ROOFWORX Inc.
San Francisco, CA
Licensed, BBB A+ commercial roofer serving San Francisco & Bay Area. Flat, low-slope, and shingle systems. 24/7 emergenc...
Eco Smart Roofer
San Francisco, CA
San Francisco commercial roofer offering flat roof systems, eco-friendly replacements, inspections & maintenance for Bay...
Apollo Roofing Company
San Francisco, CA
Apollo Roofing Company delivers commercial roof replacement, repair, and coatings for San Francisco Bay Area offices, re...
SF Roof Specialists
San Francisco, CA
SF Roof Specialists offers flat roof repair, waterproofing, and full replacement with same-day booking across San Franci...
Roof Doctor
San Francisco, CA
Roof Doctor provides commercial roofing services in San Francisco, CA, covering TPO, EPDM, modified bitumen, BUR, coatin...
Ace Roofing SF, Inc
San Francisco, CA
Ace Roofing SF, Inc provides commercial roofing services in San Francisco, CA, specializing in TPO, EPDM, modified bitum...
San Francisco Roofing & Commercial Roof Repair
San Francisco, CA
San Francisco Roofing & Commercial Roof Repair provides flat and low-slope roofing services for commercial properties ac...
Roofing & Commercial Roof Repair San Francisco
San Francisco, CA
Commercial roofing repairs and installations in San Francisco, CA — TPO, EPDM, modified bitumen, BUR, and coatings for o...
What to Expect from Flat & Low-Slope Roofing
System recommendation based on building use and budget
Tear-off of the failed roof and deck inspection
Insulation upgrade to current energy code
New manufacturer-backed membrane installed by a certified crew
Final inspection and warranty registration
Flat & Low-Slope Roofing Pricing in San Francisco
Pricing varies by contractor and project scope
Request quotes from multiple contractors to compare pricing. Factors that affect cost include system size, building type, equipment brand, warranty terms, and urgency. Always ask for an itemized written estimate before authorizing work.
Get free quotes from San Francisco contractorsRelated Replacement Services in San Francisco
Frequently Asked Questions — Flat & Low-Slope Roofing in San Francisco
How much does flat & low-slope roofing cost in San Francisco, CA?
Flat & Low-Slope Roofing costs in San Francisco vary based on system size, building type, and scope. Request quotes from multiple contractors through My Roofing Tech to compare pricing. Always ask for itemized written estimates before authorizing any work.
How do I choose the best flat & low-slope roofing contractor in San Francisco?
Look for contractors with specific experience in commercial roofing (not just residential). Verify their state license, insurance, and bonding, and confirm they're certified and experienced with your roof system. Check reviews from similar commercial properties. Ask about their workmanship warranty and their typical response time for follow-up issues.
How long does flat & low-slope roofing typically take?
The timeline depends on the size and complexity of your roof system and the scope of work. Simple repairs often complete in a few hours. Larger installations and replacements may take several days to a few weeks. Emergency service typically stabilizes the problem within hours even when the permanent fix requires returning with materials.
Is flat & low-slope roofing covered by building insurance?
Generally, sudden storm or accidental damage may be covered by commercial property insurance, while gradual wear and deferred-maintenance issues are not. Contact your insurance provider and ask specifically about coverage for your roof system. A documented inspection report strengthens any claim you file.