Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
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Before
AfterFast, Reliable Roof Replacement Across San Bruno
A full roof replacement in San Bruno typically runs between $14,800 and $32,500 depending on roof size, pitch, decking condition, and the materials you choose. The job normally takes 2 to 5 days once permits are approved and materials are staged. If you’re seeing granule loss in the gutters, curling tabs, or water stains on the ceiling, call (424) 766-4937 and we’ll schedule a free inspection with a written estimate before any work begins.
We know San Bruno’s wind patterns better than most because we work on roofs here every week. The Gap doesn’t just make it breezy; it actively re-arranges roofs that were fastened to a calmer city’s standard. Our crews live with that reality and size every replacement accordingly.
Erik Lindgren, who leads our team, regularly walks San Bruno roofs himself. When you call, you talk to a person who knows the difference between a Rollingwood hilltop and a flat stretch off San Bruno Avenue, because that difference changes how your roof should be fastened.
Why Birchbark Roofing Is San Bruno’s Preferred Roof Replacement Company
San Bruno homeowners keep calling us back because we write down exactly what we’ll do, what it will cost, and what happens if we find something unexpected under the old shingles. No verbal promises. Every estimate includes a written price in dollars before work starts, and every replacement is covered by our 365-Day Done Right Promise. If something isn’t right within a year, we come back and make it right.
Our technicians are background-checked, uniformed, and supervised by Erik Lindgren. When the crew arrives, shoe covers go on at the door and drop cloths run through the hallway to protect your floors. If your kids have toys in the yard or the dog needs to stay inside, we coordinate the door schedule with you before tear-off starts.
We’ve been part of the Cedarwell family of independent roofing businesses since 2000, and every San Bruno job carries the Cedarwell Care Promise. That means we actually follow four rules on site: Clean up like it’s our own home, Ask before we move or touch anything, Respect the family’s time and quiet hours, and Explain the price before the work. A photo of the completed clean-up gets taken before the crew leaves.
New Roof Installation in San Bruno
New roof installation in San Bruno is typically for homes where the existing roof is too far gone to patch, or for additions and new construction that need a roof built from scratch. For a standard 1,500 to 2,000 square foot single-story San Bruno home, a full tear-off and new asphalt shingle roof runs $16,000 to $26,000. Architectural shingles add $1,800 to $4,200 depending on the profile.
Every new roof installation here starts with a decking inspection. That’s non-negotiable given San Bruno’s fog belt. We check for OSB rot before we order materials so the price you sign reflects the roof you’ll actually get.
Full Tear-Off and Decking Replacement
When we tear off a roof in San Bruno, we almost always find something. It might be saturated OSB near the valleys, wind-lifted tabs along the west slope, or old skip sheathing that doesn’t meet current shear standards. We photograph every problem area, show you the damage, and price the repair as a written change order before we pick up a nail gun.
Decking replacement in San Bruno typically adds $2.50 to $4.00 per square foot of affected area. On a 1,800 square foot roof, replacing 30% of the decking adds roughly $1,400 to $2,200. You’ll see that number in writing before we start, not after.
Architectural Shingle Upgrades
Many San Bruno homeowners use their replacement as a chance to upgrade from 3-tab to architectural shingles. Architectural shingles are thicker, rated for higher wind speeds, and hold up better under the Gap’s continuous uplift. We install Owens Corning, GAF, and CertainTeed architectural lines regularly, and we can show you full-size samples at your home before you choose.
Reroofing in San Bruno
Reroofing is what most San Bruno homes need instead of a full replacement: new shingles and underlayment over existing decking that’s still structurally sound. For a typical post-WWII tract home in San Bruno with low-pitch gable or hip roofs, reroofing runs $13,500 to $22,000 depending on square footage and whether we need to add new underlayment to meet current code.
The decision between reroofing and full replacement comes down to what’s under the shingles. In San Bruno, that’s often the problem. Fog-belt moisture works its way under old shingles and rots the OSB from the top down. If we can’t confirm decking condition from the attic, we plan for a full tear-off rather than overlay, and we explain why in the estimate.
Wind-Rated Fastening and Sealed Drip Edges
Every reroof in San Bruno gets sealed drip edges and ring-shank nails. Not as an add-on. Standard. The Gap winds that hit Rollingwood and Portola Highlands strips tab shingles off roofs that were nailed with 4 nails per shingle and no sealant. We use a 6-nail pattern and starter-strip adhesive on all windward slopes.
If you’re reroofing a home on a hillside street near the Gap, we’ll also check your ridge cap. Failed ridge caps are the most common wind-related failure we see up there, and replacing them properly costs far less than fixing the leak they eventually cause.
Fog-Belt Moisture and Sheathing Repair
San Bruno sits squarely in the marine fog belt that rolls through the coastal hills. Roofing surfaces stay damp for hours longer than in San Mateo or Burlingame. That means moss, algae, granule loss, and OSB decay happen faster and more aggressively. A roof that looks okay from the curb can have decking that’s soft enough to push a screwdriver through by hand.
We open roofs in San Bruno more often than our crews working in calmer cities do, because the moisture pattern actually demands it. If we find rot, you get a written change order with a square-footage price before we replace any decking.
Trusted Brands We Service in San Bruno
We work with materials from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For San Bruno roofs specifically, we lean toward Owens Corning Duration and CertainTeed Landmark architectural shingles because both carry wind ratings that hold up to Gap exposure. We stage materials the week before your install so your job doesn’t stall waiting on supply shipments from across the Bay.
Common Roof Replacement Problems We See in San Bruno Homes
- Wind-lifted tab shingles and failed ridge caps on west and north slopes. Gap winds create uplift that standard nailing schedules can’t handle, especially in Rollingwood and Portola Highlands. We see this pattern on roughly half the older roofs we inspect in those neighborhoods.
- OSB sheathing decay from fog-belt moisture. Prolonged dampness rots decking well before shingles show obvious wear. Attics with poor ventilation make it worse, and many 1950s and 1960s San Bruno homes were built with minimal venting.
- Outdated or undersized framing discovered after tear-off. Post-WWII tract homes often have rafter spacing and sheathing that don’t meet current California code. Once walls are open, a permit triggers structural upgrades that a simple reroof quote didn’t anticipate.
- Failed underlayment in valleys and around penetrations. The damp microclimate means old felt underlayment degrades faster here. We routinely find cracked, brittle felt in valleys, which is why we install ice and water shield in every San Bruno valley we reroof.
Pricing for Roof Replacement in San Bruno, CA
Here’s what you should expect to pay for a roof replacement in San Bruno. Asphalt shingle roofs on a standard 1,500 to 2,000 square foot home run $14,800 to $26,500 for a full tear-off and reinstall. Architectural shingles run $17,500 to $32,500. Flat roofing, common on some mid-century San Bruno properties and additions, runs $12,000 to $22,000 depending on membrane type. Decking replacement adds $2.50 to $4.00 per square foot. Ridge vent installation adds $700 to $1,400.
These are actual local ranges, not national averages. Your exact price depends on roof pitch, decking condition, and whether your permit triggers code upgrades. Whatever the number, you’ll see it in writing before we start. Call (424) 766-4937 for a free written estimate.
We Also Serve Cities Near San Bruno
Alongside our Roof Replacement work across the Peninsula, we serve homeowners in San Bruno and the surrounding communities including Millbrae, South San Francisco, Pacifica, and Brisbane. Our crews work throughout San Mateo County, and we schedule San Bruno jobs with full crews and staged materials so your project doesn’t drag.
Serving San Bruno, CA - Our Local Coverage Area
We’re based in the San Bruno 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 San Bruno
Because San Bruno sits at the San Bruno Gap, where Pacific winds funnel through with unusual intensity. Standard 4-nail-per-shingle schedules routinely fail here. Enhanced 6-nail patterns, ring-shank nails, and sealed drip edges resist the uplift that strips tabs and ridge caps off roofs in Rollingwood and Portola Highlands every winter. If you’re getting quotes, ask each roofer how many nails per shingle they install. The answer tells you if they know San Bruno or just punch in a zip code. Call (424) 766-4937 to talk through what your roof needs.
On most 1950s and 1960s tract homes here, we find one or more of: rotted OSB or skip sheathing near valleys, outdated felt underlayment that’s cracked and brittle, undersized framing that doesn’t meet current shear standards, or wind damage along the west-facing ridges. The fog belt means decking rots from moisture exposure even when the shingles above still look serviceable. We walk you through everything we find, with photos, and price it in writing before we touch it. Call (424) 766-4937 to schedule an inspection.
We write a change order with the exact square footage and price before we replace anything. Nothing hidden. You approve it, we do it. If you don’t approve, we stop and leave the roof weather-tight until you decide. That’s the Cedarwell Care Promise in practice, and it’s stamped on every job we do in San Bruno. Call (424) 766-4937 for an estimate that accounts for this up front.
Yes, measurably. San Bruno’s fog exposure keeps roofing surfaces damp for longer periods than inland Peninsula cities like San Mateo experience. That accelerates moss and algae growth, granule loss, and OSB sheathing decay. A comp roof that might last 25 years in San Mateo often shows significant underlayment degradation in San Bruno by year 18 to 20. It’s not marketing; it’s moisture chemistry. We open roofs here more often than our crews working inland do, and we price accordingly. Call (424) 766-4937 for a free inspection.
We install GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral materials. For San Bruno specifically, we commonly recommend Owens Corning Duration or CertainTeed Landmark architectural shingles because their wind ratings and sealed adhesive strips handle Gap exposure better than standard 3-tab. We’ll bring full-size samples to your home so you can see the profile and color in San Bruno daylight before deciding. Call (424) 766-4937 to set that up.
Get Your San Bruno Roof Replacement Quote
Every roof we replace in San Bruno comes with a written price before work starts, clean-up documented with a photo before we leave, and a 365-Day Done Right Promise that says we’ll make it right if it isn’t. Erik Lindgren and our team know what the Gap winds and fog belt do to roofs here, and we size every job to handle both.
Call (424) 766-4937 today for your free written estimate. A live person answers, 24 hours a day, 7 days a week.
Written by Erik Lindgren, Owner at Birchbark Roofing, serving San Bruno, CA.