“Roof Titan was incredibly responsive. They answered on the first call, came out the next day, and had our leak fixed by the end of the week. Fair price, great work.”
Maria R.
Woodland Hills, CA
Commercial Specialist — Licensed & Bonded
Commercial Roofing in San Gabriel
Commercial roofing services in San Gabriel, California. TPO, EPDM, flat roof specialists.
4.9 Google Rating
5,000+ Customers Served
Licensed & Insured
Get Your Free Roof Inspection
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We'll contact you within 2 hours. For urgent leaks, call (626) 594-6858.
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Warning Signs
Signs You Need Commercial Roofing
Don't wait for small issues to become expensive disasters. Here's what to watch for:
Business Disruption from Leaks
A commercial roof leak can damage inventory, equipment, and force temporary closure. Fast response is critical.
Rising Energy Costs
Industrial roofs absorb massive heat. Cool roof systems cut HVAC loads and meet CA Title 24 requirements.
Ponding Water on Flat Roof
Standing water is the #1 enemy of flat roofs — it accelerates membrane failure and creates mold risk.
Aging Roof Approaching Failure
A roof past its expected lifespan creates unpredictable leak risk. Proactive replacement prevents emergency costs.
How It Works
Simple. Fast. Guaranteed.
Getting your roof fixed is easier than you think. Here's our 4-step process:
Schedule
Schedule your inspection online or by phone — we confirm within 2 hours.
Inspect
Our licensed roofer thoroughly assesses every inch of your roof and documents all findings.
Quote
Receive a clear, itemized quote the same day. No hidden fees. No pressure.
Complete
We complete the work to code, clean up fully, and back everything with our workmanship warranty.
See Our Work
Watch Roof Titan in Action
See how we handle roof repairs from start to finish.
Quick Clips
Palm Springs Roof Repair – Pipe Leak Sealed!
629 views
On-site tackling a roof leak around a pipe, tracing water stains to pinpoint the source and seal it up.
City of Industry Roof Repair – Leaks & Structural Issues Found!
291 views
Inspecting a roof with sunken plywood substrate, open seams, and failed polyester requiring urgent attention.
Slipped Tile = Hidden Roof Leak & Roof Repair!
6K views
A single slipped tile lets water behind the roof-to-wall flashing and mortar, leading to hidden leaks.
Temecula Roof Repair – Blocked Valley & Slipped Tiles!
15.4K views
Inspecting a roof leak caused by a blocked valley filled with debris, preventing proper water flow.
Testimonials
What Our Customers Say
Real reviews from California homeowners & businesses.
“After three roofers ghosted us, Roof Titan showed up on time, gave an honest quote, and did excellent work. They've earned a customer for life.”
James T.
Corona, CA
“Professional from start to finish. The inspection was thorough, the quote was detailed, and the repair looks perfect. Highly recommend Roof Titan.”
Sandra K.
Rancho Palos Verdes, CA
What's Included
Complete Commercial Roofing Services
- Flat roof repair — TPO, EPDM, modified bitumen, built-up
- Full commercial roof replacement & tear-off
- Elastomeric & silicone roof coatings
- Ponding water & drainage correction
- Parapet wall and flashing repair
- Rooftop unit (RTU) penetration sealing
- Title 24 compliant cool roof systems
- 10-year commercial workmanship warranty
2-Hour Response
We call back within 2 hours — not days.
Same-Day Quotes
Detailed written quote on the day of inspection.
No Subcontractors
Our own licensed crew — nobody outsourced.
Warranty Backed
2-yr workmanship + manufacturer guarantees.
FAQ
Common Questions
Yes — we specialize in commercial flat roofs throughout your area and Los Angeles County. We're bonded and carry commercial general liability coverage.
In most cases, yes. We schedule work around your operating hours and use low-disruption methods to avoid affecting your customers or employees.
We work with all major commercial systems: TPO, EPDM, modified bitumen, built-up roofing (BUR), and metal. We recommend the right system for your building and budget.
A typical commercial project (5,000–20,000 sq ft) takes 3-7 days. We'll provide a firm schedule with defined working hours before we start.
Yes. We offer semi-annual commercial roof maintenance contracts that include inspection, minor repairs, and gutter clearing — preventing expensive emergency repairs.
Yes. We're the preferred commercial roofing contractor for property managers and business owners in your area. Visit our commercial roofing page to learn more.
Get Started Today
Ready to Fix Your Roof?
Ready to Fix Your Roof?
We'll Be There Fast.
Free inspection · Same-day quotes · No pressure · Licensed & insured
Or Send Us a Quick Message
We Got Your Message!
We'll call you back within 2 hours. Or call us now: (626) 594-6858