Flat & Low-Slope Roofing in Costa Mesa, 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 Costa Mesa
Listings updated July 2026
Irvine Roofing Solutions
Costa Mesa, CA
Certified commercial roofing contractor in Costa Mesa, CA offering installation, repair, leak detection, and metal roofi...
Costa Mesa Roofers
Costa Mesa, CA
Costa Mesa Roofers provides photo-documented inspections, written estimates, and commercial-grade roof replacement, repa...
Coastal Roofing Inc
Costa Mesa, CA
Costa Mesa-based Coastal Roofing Inc. offers certified commercial roofing — TPO, EPDM, metal & more — plus maintenance p...
Costa Mesa Roofing & Commercial Roofer
Costa Mesa, CA
Costa Mesa Roofing & Commercial Roofer provides TPO, EPDM, modified bitumen, and metal roofing for office, retail, and i...
HP Commercial Roofing Pro Costa Mesa
Costa Mesa, CA
CSLB-licensed commercial roofing contractor serving Costa Mesa with TPO, EPDM, BUR repair, cool-roof coating restoration...
Lee Roofing of Costa Mesa Inc
Costa Mesa, CA
Costa Mesa commercial roofer since 1947. BUR, modified bitumen, Title 24 coatings, repairs & maintenance. GAF Certified....
Costa Mesa Roofing
Costa Mesa, CA
Licensed Costa Mesa roofing contractor (Lic #737515) offering leak repair, inspections & emergency tarping for commercia...
Tougher Roofing Solution
Costa Mesa, CA
Licensed (C-39) Costa Mesa commercial roofer serving Orange County with TPO, EPDM, modified bitumen, coatings, SPF & wat...
Costa Mesa Roof Repair and Installation Services
Costa Mesa, CA
Costa Mesa Roof Repair and Installation Services handles commercial flat roofing—TPO, EPDM, mod-bit, coatings—for office...
Thomas Brothers Roofing Service
Costa Mesa, CA
Thomas Brothers Roofing Service provides commercial roofing in Costa Mesa, CA, covering TPO, EPDM, modified bitumen, coa...
Master Roofing Inc.
Costa Mesa, CA
Master Roofing Inc. delivers commercial roofing services in Costa Mesa, CA — TPO, EPDM, metal & more for offices, retail...
ARROW ROOFING SERVICES Costa-Mesa
Costa Mesa, CA
Arrow Roofing Services provides commercial flat and low-slope roofing in Costa Mesa, CA — TPO, EPDM, modified bitumen, c...
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 Costa Mesa
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 Costa Mesa contractorsRelated Replacement Services in Costa Mesa
Frequently Asked Questions — Flat & Low-Slope Roofing in Costa Mesa
How much does flat & low-slope roofing cost in Costa Mesa, CA?
Flat & Low-Slope Roofing costs in Costa Mesa 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 Costa Mesa?
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.