Commercial Roofingin Northern California
Roofs fail quietly, then all at once — usually onto inventory. As a general contractor we coordinate commercial roofing as part of larger projects and handle the maintenance that prevents emergencies: gutter and drain clearing, repairs, and coatings that extend a roof's life for a fraction of replacement cost.
Licensed & Insured · CSLB #1130548 · 5.0★ on Google, Yelp, Thumbtack & Angi
The Work
Done Right, Documented, and Inspected
When replacement is the right answer, we manage the roofing scope alongside everything else under one contract.
Every project runs under Sarmento Bros. Construction Inc. — CSLB #1130548, fully insured with general liability and workers' compensation. Based in Manteca, we serve businesses and property owners across the Central Valley, East Bay, and greater Northern California.
What We Handle
- ✓ Roof repairs and leak response
- ✓ Gutter, scupper, and drain cleaning
- ✓ Roof coatings and life-extension systems
- ✓ TPO and single-ply replacement coordination
- ✓ Skylight and penetration resealing
- ✓ Preventative maintenance programs
Service Spotlight
A Closer Look at This Service
How It Works
A Straightforward Process
01
Walk & Scope
We meet at your space, listen to what you need, and scope the job honestly — including the parts other bids leave out.
02
Fixed Estimate
A written, itemized estimate with a real schedule. Free, and good numbers — not a teaser that grows later.
03
Permits & Build
We handle drawings, permits, and inspections, then build with our own crews and trusted trade partners.
04
Walkthrough & Closeout
Final walkthrough together, punch list closed, documents handed over. Done means done.
Common Questions
Commercial Roofing FAQs
How often should commercial gutters and drains be cleaned?+
Twice a year minimum in the Valley — after leaf drop and before storm season. A clogged scupper is the cheapest catastrophic failure there is.
Repair, coat, or replace — how do we decide?+
Age, moisture in the assembly, and how many years you need from the building. We give you the honest tier: plenty of roofs get 10 more years from a coating; some are done and we'll say so.
Do you handle roof leaks as emergencies?+
Yes — tarp and stop the water first, scope the permanent fix second. 24/7 for commercial clients.