Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Replacement Across Foster City
Roof replacement in Foster City typically runs $12,000 – $28,000 for a standard single-family home, with most projects completed in 2 – 4 business days once materials arrive. We handle everything from permit pull to final inspection, and you’ll know the exact price before we touch a shingle.
We’ve been up on roofs from the Lagoon Island neighborhood to the streets backing Edgewater Park, and the pattern is always the same: Foster City’s salt-laced bay air chews through flashing and underlayment faster than inland cities, while the mid-century ranches and 1970s split-levels that dominate this peninsula often carry original roofs that hit their limit all at once. When we dispatch from our San Francisco Bay Area office, we’re crossing the San Mateo Bridge with crews who already know the local inspection schedule and the specific wind-exposure requirements that apply to homes within a mile of the water. Call (325) 246-5075 to schedule your free estimate.
Why Crestview Roofing Is Foster City’s Preferred Roof Replacement Company
Our Roof Replacement team has worked enough Foster City addresses to recognize the neighborhood by the roofline. The Eichler-influenced atriums near Beach Park Boulevard need different ventilation strategy than the two-story contemporaries off Metro Center Boulevard, and we adjust our decking assessment accordingly.
Homeowners here find us because their neighbors mention the photo updates. Every Crestview job sends before-and-after images by text, plus a live trackable arrival time so you’re not trapped in a four-hour window. That’s The Relay Visibility Guarantee in action, and it’s standard on every roof replacement we do in Foster City.
Dylan Pace built this company in 2000 on a simple idea: put every promise in writing. The 365-Day Done Right Promise covers every repair for a full year, including a free second visit if anything fails. No negotiation, no runaround. A live person answers our phones 24/7, which matters when you’re staring at a ceiling stain at 10 PM and need to know if it’s an emergency or can wait until morning.
We pull permits for every full replacement, coordinate with San Mateo County inspectors, and pass inspection before we invoice. The price we write down is the price on your digital invoice, sent by text when the job clears.
Reroofing in Foster City
Reroofing in Foster City means stripping the existing shingles or tiles to the decking, inspecting for water damage the old roof hid, and installing a complete new system that meets current California Title 24 energy standards. Most homeowners need it when their roof hits 20 – 25 years, after significant storm damage, or when they’re selling and the inspection flags deteriorated materials. A typical reroof for a 1,800-square-foot Foster City home runs $14,000 – $22,000, including tear-off, decking repair up to two sheets, new underlayment, and architectural shingles from GAF or CertainTeed.
When Tear-Off Beats Overlay
California building code allows one overlay in most cases, but we rarely recommend it for Foster City homes. The salt air here traps moisture between layers, and you can’t inspect decking condition without exposing it. We quote tear-off as standard because finding rotten plywood after an overlay starts is the kind of surprise we don’t do.
Decking Assessment and Replacement
Roof decking replacement adds $75 – $150 per sheet in Foster City, depending on access and whether we need to match existing tongue-and-groove boards in older homes near the original lagoon developments. We photograph every soft spot we find and show you before we cut, so the extra cost is never a blind upsell.
Flat Roof Replacement in Foster City
Flat Roof Replacement in Foster City applies to the low-slope sections common on modern additions, ADUs, and the commercial-style townhomes near Metro Center. These roofs demand different materials than pitched systems, typically TPO or modified bitumen rather than shingles, and the installation requires precise drainage planning to prevent the ponding that destroys seals. A flat roof replacement here runs $8,000 – $16,000 for residential projects under 1,500 square feet, with commercial-grade TPO at the higher end.
Drainage and Slope Correction
Foster City’s winter storms dump hard and fast. If your flat roof was originally framed dead-level or has settled, water sits and finds seams. We install tapered insulation boards during replacement to create positive drainage toward scuppers or internal drains, which adds $1,200 – $2,800 but eliminates the callback cycle.
TPO vs. Modified Bitumen for Bay Exposure
TPO’s white reflective surface cuts cooling loads and meets California’s cool roof requirements without extra coating. Modified bitumen handles foot traffic better if your flat roof doubles as a deck or equipment platform. We stock both and specify based on how you actually use the roof, not just what’s easiest to install.
Trusted Brands We Service in Foster City
We install GAF Timberline HDZ, CertainTeed Landmark, and Atlas StormMaster Slate on Foster City homes, with full manufacturer warranties registered in your name. These aren’t special-order products for us, we keep local inventory moving through the Bay Area warehouse, so your job doesn’t stall waiting for shingles to cross the country. Every brand we carry, including Tamko and Boral for specialty clay and concrete tile, comes with our workmanship warranty layered on top. That means if there’s an installation issue, you call us first, and we handle the manufacturer if it’s a material defect. No finger-pointing between contractor and supplier.
Common Roof Replacement Problems We See in Foster City Homes
- Salt corrosion on coastal exposures. Homes within a quarter-mile of the lagoon or the bay get wind-driven salt that pits metal flashing and accelerates granule loss on asphalt shingles. We specify coastal-grade fasteners and aluminum or copper flashing in these zones, not standard galvanized steel.
- Original wood shake roofs at end of life. The 1960s and 70s builds in the Beach Park area often carry cedar shakes that insurers now refuse to cover. Replacement with Class A fire-rated composite or asphalt is standard, and we handle the documentation your carrier needs.
- Poor attic ventilation trapping moisture. Foster City’s marine layer keeps humidity elevated for weeks in spring and fall. Without adequate ridge and soffit airflow, that moisture condenses on decking and rots it from underneath while the shingles still look fine. We calculate NFVA requirements per code and install accordingly.
- Flat roof ponding on additions and ADUs. The recent wave of accessory dwelling units in Foster City neighborhoods often uses minimum-slope designs that pool water. Our replacements include slope analysis and drainage correction as standard scope, not an afterthought.
Pricing for Roof Replacement in Foster City, CA
Most full roof replacements in Foster City fall between $12,000 and $28,000, with the median around $18,500 for a 2,000-square-foot home using architectural shingles. Here’s how that breaks:
| Asphalt shingle replacement (standard 3-tab) | $12,000 – $18,000 |
| Architectural shingle replacement (GAF, CertainTeed, Atlas) | $16,000 – $24,000 |
| Flat roof replacement (TPO or modified bitumen) | $8,000 – $16,000 |
| Roof decking replacement (per sheet, if needed) | $75 – $150 |
| Skylight replacement or new curb installation | $800 – $2,400 each |
What moves you within these ranges: roof pitch (steeper costs more), layers to tear off, decking condition, accessibility for material delivery, and whether you need upgraded ventilation or insulation to meet Title 24. We give you a written line-item quote after inspection, not a ballpark that balloons later. The number on the page is the number on the invoice. Call (325) 246-5075 for your free estimate.
We Also Serve Cities Near Foster City
Our crews work throughout the Bay Area and beyond. If you’re outside Foster City proper, we also handle Roof Installation in Foster City and surrounding communities, plus Roof Repair in Foster City for homes that don’t need full replacement yet. We regularly travel to Los Angeles, San Diego, San Jose, and San Francisco for larger projects and multi-unit work.
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 Roof Replacement in Foster City
We typically schedule roof inspections in Foster City within 48 hours of your call, and often next-day if you’re flexible on morning or afternoon slots. Our San Francisco Bay Area office dispatches crews across the peninsula daily, so we’re not routing from Sacramento or the Central Valley. Call (325) 246-5075 to book your free estimate.
Yes, we replace roofs throughout Foster City, from the Lagoon Island and Beach Park areas to the homes off Metro Center Boulevard and the Edgewater Park corridor. Each zone has slightly different wind-exposure ratings and setback requirements, and we account for those in our permitting.
We provide emergency tarping and temporary weatherproofing in Foster City to stop active leaks, but full roof replacement is planned work that requires permit approval and material lead times. If you’re facing storm damage, call (325) 246-5075 and we’ll secure the roof same-day, then schedule replacement once we have permits and shingles on-site.
Foster City prices run roughly 8 – 12% above Central Valley markets and comparable to other Bay Area peninsula cities, mainly due to higher labor costs, stricter Title 24 energy requirements, and the coastal exposure materials we specify. The flip side: homes here hold value well, and a documented roof replacement with permit history strengthens your resale position.
Every replacement includes the manufacturer’s material warranty, 10 years to lifetime depending on the shingle line, plus our 365-Day Done Right Promise on workmanship. If any repair we perform fails within a year, we fix it free, including a free second visit if needed. That’s in writing on every contract, with no extra charge.
Written by Dylan Pace, Owner at Crestview Roofing, serving Roof Replacement in Foster City and the broader Bay Area since 2000.






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