Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roofers in Foster City, CA
Roofing in Foster City means working on homes built mostly between the 1960s and 1980s, with low-slope or flat built-up roofs, original wood shake or composition shingles, and a lot of cathedral ceilings. The lagoons and bayfront air add salt and persistent morning fog, so fasteners, flashing, and drip edge corrode faster here than they do ten miles inland. We’re Brennan Roofing Co San Francisco, and we serve Foster City under The Garrison Standard: a written price before any work starts, background-checked uniformed technicians, and a full-year written guarantee on every job. Call (831) 318-8819 to talk to a live person about your roof.
Why Foster City Homes Are Different
Foster City is a planned community, and that planning shows up on the roofs. Most of the housing stock is single-family homes and townhouses from the 1960s through 1980s, with low-slope or flat built-up roofs and cathedral ceilings that make re-roofing more involved than a standard pitched tear-off. The original roofs were often wood shake or composition shingle, and decades of marine air have done what marine air does: corroded fasteners, eaten at flashing, and left drip edge rusted through, especially on lagoon-side eaves where fog lingers longest.
The city’s wind-uplift requirements are strict, and many neighborhoods have HOA design rules that dictate material choices and even color. That means a Foster City roof is rarely a simple swap. It’s a corrosion-and-code job. You can tell a roof that wasn’t done by someone who knows Foster City because the drip edge fails within five years from the salt air, and the shingles fail first at the eaves that face the water. We plan for that from the first inspection, not after the first leak.
Styles & brands we work with
Our Main Foster City Services
Foster City homeowners call us most for two things: full roof replacement when the original 1970s or 1980s roof has finally given out, and targeted repair when fog-driven moisture or bay wind has opened a weak spot. Each service has its own Foster City page with pricing and detail.
Roofing Company in Foster City
A full roof installation or replacement in Foster City starts with the structure underneath. Cathedral ceilings mean we check decking condition and ventilation before quoting, because trapped moisture under a low-slope roof shortens its life. We install materials from GAF, CertainTeed, and Tamko, and every job follows The Garrison Code: written price first, background-checked uniformed crew on site, and the 365-Day Done Right Promise in writing. See Roofing Company in Foster City for full pricing and the replacement process.
Roof Repair in Foster City
Most Foster City roof repairs we do involve corroded flashing at penetrations, lifted shingles from winter gusts off the Bay, or moss and algae damage on north-facing slopes where morning fog keeps surfaces damp. We use materials from Owens Corning and CertainTeed, and we write the price down before any work starts. If a repair fails within one year, we come back at no charge under the 365-Day Done Right Promise. See Roof Repair in Foster City for common repair costs and what we check first.
Roof Inspection in Foster City
In Foster City, a roof inspection is a corrosion check as much as a leak check. We walk the roof, examine drip edge and flashing at every penetration, and look for the early signs of salt-air wear that turn into leaks. The report is written in plain language, with photos and a line-item price for anything that needs work, so you know exactly what you’re looking at before you spend a dollar. We serve Foster City homeowners directly. See Roof Inspection in Foster City for inspection details and what we document.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Foster City
We install and repair roofing from GAF, CertainTeed, Tamko, and Boral. Parts for common Foster City repairs, including flashing, underlayment, and drip edge, are stocked locally enough that we don’t lose days waiting on supply. For uncommon material requests, we source directly through our brands and confirm availability before we schedule.
See the difference
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After
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After
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AfterPricing for Roofers in Foster City, CA
| Service | Typical range in Foster City |
|---|---|
| Full roof replacement (composition shingle) | $9,800 – $18,500 |
| Full roof replacement (standing seam metal) | $22,000 – $38,000 |
| Flat/low-slope roof replacement (built-up or modified bitumen) | $12,000 – $24,000 |
| Minor roof repair (flashing, small shingle patch) | $350 – $800 |
| Moderate roof repair (leak chase, multiple shingles, pipe boot) | $800 – $1,800 |
| Major roof repair (structural decking section, valley rebuild) | $1,800 – $4,200 |
| Roof inspection (written report with photos) | $195 – $450 |
| Skylight replacement | $1,400 – $3,200 |
| Gutter replacement | $1,800 – $4,000 |
| Drip edge replacement | $600 – $1,500 |
What pushes price up in Foster City is the same thing that makes the work different here: salt corrosion, strict wind-uplift code, and HOA material requirements. Flat and low-slope roofs dominate, and they cost more per square foot than steep shingle roofs. Whatever the number, we write it down before any work starts, and it does not move at the door.
Neighborhoods We Serve in Foster City
We roof homes in every Foster City neighborhood, from the lagoon-side streets to the interior subdivisions. Response time for a standard inspection or repair quote in Foster City is typically one to three business days depending on weather and crew schedule.
- The Islands
- Bay Vista
- Dolphin Bay
- Whaler’s Island
- The Shores
Service Area – Cities Near Foster City
Brennan Roofing Co San Francisco serves Foster City and the surrounding Bay Area. If you’re across the water or down the Peninsula, we also roof homes in San Francisco, CA, Hayward, CA, Berkeley, CA, and Daly City, CA. Each city has its own page with local pricing and conditions.
Serving Foster City, CA - Our Local Coverage Area
We’re based in the Foster City area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Roofers in Foster City
We schedule Foster City inspections and quotes within one to three business days in most weather. Emergency repair calls are handled as quickly as crew availability allows. Call (831) 318-8819 and a live person answers, day or night.
We work with your HOA’s material and color requirements, and we’ll provide the documentation your association needs. The homeowner submits for HOA approval, but we make sure the proposal matches what the board will sign off on before you submit it.
It can, if the wrong materials or fasteners are used. We specify corrosion-resistant fasteners and drip edge rated for coastal exposure on every Foster City job, which is exactly what the city’s wind-uplift code expects. That’s part of why we write the price down and the guarantee in writing before any work starts. Call (831) 318-8819 for a free estimate on your Foster City roof.
What happens when you call
- 1A real person answersNo phone trees - talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Foster City Customers Say
"Roof leak around the skylight. They resealed the flashing properly and checked the decking. Dry since."
- Amy L."Good roof, clean job. A couple of nails were left in the driveway, but they came back for them."
- Marcus B."Quality work and clear communication. Rain pushed the start by two days, which is fair, but we were hoping to be done sooner."
- Cathy N.