New Roof Installation in San Mateo, CA

Licensed (CA CSLB #1148511 • C-39) • Insured • Written Warranty • Serving San Mateo and all of San Mateo County

New construction and remodel installs across San Mateo — we coordinate with your GC, hit framing inspection windows, and finish to architect-spec.

New Roof Installation on a San Mateo Roof

New-construction and addition roofing in San Mateo lives or dies on coordination. We work to the architect's spec and the GC's schedule — dry-in at the right framing stage so the trades behind us aren't waiting, then the finished system once the building is ready. That means hitting framing-inspection windows, getting ventilation and flashing details right the first time, and leaving a roof that passes San Mateo County final without a punch list.

San Mateo's hot inland summers shape the new-roof spec — proper attic ventilation and heat-tolerant materials so the roof isn't aging from day one under the UV that bakes the region.

  • Coordinated with your GC and build schedule
  • Dry-in timed to the framing inspection
  • Architect-spec system and flashing details
  • Code-compliant ventilation from day one
Get a Written San Mateo Estimate Call (415) 410-7917

What San Mateo Roofs Are Up Against

Every roof in San Mateo answers to the same forces: a Mediterranean, coastal moderation, 22" annual rainfall, and an aging housing stock dominated by Post-war suburban, Craftsman, contemporary condos and townhomes. The specific local stressors that decide how long a roof actually lasts here: Peninsula fog and rainfall keep roofs moist longer than inland areas, encouraging moss and algae. Marine layer is thicker in winter, and atmospheric rivers can drop 3–4 inches of rain in 24 hours. We've spent enough time on San Mateo roofs to know which failure modes show up first, and we plan new roof installation around them rather than discovering them halfway through the job.

New Roof Installation in San Mateo — FAQs

Can you coordinate with my general contractor in San Mateo?

That's how we prefer to work on San Mateo new builds — we slot into your GC's schedule, dry-in at the right stage, and come back for the finished roof so the project keeps moving.

Do you install roofs on additions and ADUs in San Mateo?

Yes — additions, ADUs, and dormers are common San Mateo jobs. The tricky part is tying the new roof into the existing one watertight; that transition is where we spend the most care.

Who handles the permit on new construction?

On a ground-up build the GC usually holds the master permit and we work under it, owning the roofing inspection. On a standalone re-roof or addition we pull the San Mateo County permit ourselves.