Metal roofing
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across San Mateo
Roofing work in San Mateo comes with a specific set of local realities: fog that lingers over the foothills, 1960s ranch homes with low-slope decks, and county-level permitting rules that catch homeowners off guard. We work on those roofs every week, from Aragon to the unincorporated parcels off Polhemus Road. When you call Birchbark Roofing at (831) 228-3330, you get a written price before any work starts, and a crew that treats your home like it’s our own.
Whether you’re dealing with a leak on a north-facing valley or planning a full replacement on acreage with septic setbacks, we know which questions to ask before the first shingle comes off. Our Roofing Company team has scoped hundreds of San Mateo properties, and the differences matter: city permits versus county permits, fog-driven corrosion, and long driveway hauls all change the job. We plan for those before we quote, not after.
Why Birchbark Roofing San Francisco Is San Mateo’s Preferred Roofing Company
Homeowners in San Mateo call us because we name the protections upfront. Shoe covers at the door. Drop cloths through the hallway. A photo of the completed clean-up before the crew leaves. Those aren’t add-ons; that’s the Cedarwell Care Promise on every job. Erik Lindgren leads our team with the same standard on a Hillsborough-adjacent estate as on a 1,100-square-foot ranch in North Central.
Our San Mateo customers often tell us the written price was the deciding factor. You’ll see the exact dollar figure for tear-off, materials, hauling, and clean-up before you sign anything. If the job isn’t done right, the 365-Day Done Right Promise means Birchbark makes it right. No fine print. No negotiating that away. We also coordinate around your schedule: if the kids are home from school or the dog needs to stay inside, we plan the door traffic with you.
We work with materials from Owens Corning, IKO, and Atlas, and our background-checked, uniformed technicians arrive ready to answer questions. A live person answers our phone 24 hours a day, 7 days a week, including nights and weekends. No voicemail trees. Calling Roofing Company in San Mateo means reaching someone who can actually help.
Styles & brands we work with
Roof Coating in San Mateo
Roof Coating in San Mateo is a protective layer applied to existing roofing, typically on low-slope or flat sections common to Eichler-inspired homes and mid-century commercial buildings throughout the city. It seals hairline cracks, reflects some heat, and adds years before a full replacement is necessary. The marine layer that moves over San Mateo’s foothills keeps roofs damp longer than inland cities, which makes a properly bonded coating more valuable here than, say, in Livermore. Most residential coatings in San Mateo run $2,800 – $6,500 depending on square footage, existing surface condition, and whether we need to address underlying moisture first.
We’ll tell you honestly if a coating is the right call. If the decking is soft or the flashing has corroded past saving, a coating would just buy time, and we don’t recommend work that won’t last.
Moisture Control Before the Coating
On San Mateo homes where moss grows on north slopes and valleys, we lightly clean and inspect before applying anything. The coating bonds poorly to damp, mossy substrate. We document what we find and show you photos before proceeding.
Some products in our line are pet-safe where there’s a choice, which matters when pets are in the yard during the work. We’ll confirm the product selection with you before we start.
Coating on Detached Buildings
Foothill acreage parcels often have detached shops, studios, or ADUs with low-slope roofs that never get attention until a leak shows up. A coating on those roofs runs $1,500 – $4,000 typically. We include access and hauling in the quote so there’s no surprise when the crew needs to bring gear up a long driveway.
Free Roof Estimate in San Mateo
A Free Roof Estimate in San Mateo means a written price in dollars before any work starts. We don’t quote ranges over the phone and show up with a different number. Erik Lindgren’s answer to any pricing question is the same: we look, we measure, we write it down, and you keep the paper. Our estimates always include tear-off, hauling, material, and clean-up, and we flag anything that could change the scope, like county permit reviews or septic setbacks on large-lot properties.
The free estimate is also when we talk through what will be protected inside the home. If the crew will be walking through the kitchen to access the roof, we plan shoe covers and drop cloths for that path. If trash bins need to sit in the driveway for two days, we tell you that before you sign.
What We Check on an Acreage Property
On larger lots in unincorporated San Mateo, especially near Polhemus Road and the western foothills, we measure access distance from the road to the roof. Long hauls mean more disposal trips and more equipment time, which affects the price. We also confirm whether the property falls under city or county permitting, because that determines setback reviews for wells and septic systems. We don’t quote until we know those answers.
Documentation You’ll Receive
With every estimate, we include a written scope, material choices from brands like IKO and Atlas, and a timeline. The price on that page is the price you pay, unless you change the scope. That’s the whole point of writing it down.
Trusted Brands We Service in San Mateo
Our San Mateo crews install and repair Owens Corning, IKO, and Atlas roofing systems, and we keep the most common components on local trucks to cut down turnaround. That matters on a foggy Tuesday when a flashing failure on a north valley is letting water in before the next rain. We can often complete a repair with materials on hand, same week, without waiting on a shipped order. For full replacements, we’ll walk you through product options in a way that respects the architectural character of San Mateo neighborhoods like Aragon and San Mateo Park, where visible roofing material choices can trigger historical review. We’ll help you understand which composite options meet fire-resistance standards and which ones need approval.
See the difference
Before
After
Before
After
Before
AfterCommon Roofing Company Problems We See in San Mateo Homes
- Fog-driven moss and flashing corrosion: The marine layer lingers on San Mateo’s north-facing slopes, and we regularly see moss growth that traps moisture and corrodes flashing on valleys long before the shingles themselves fail. It doesn’t take heavy rain to create a leak here.
- Low-slope and flat roof drainage failures: Many 1940s – 1970s ranch and Eichler-style homes have low-pitch roofs that depend on precise underlayment and drainage. When the original build didn’t include proper underlayment, water pools and seeps into the decking.
- County setback conflicts on acreage: Properties outside San Mateo city limits, especially in the foothills, often need septic tank and well setback reviews before a permit is issued. Homeowners who assumed city permitting applies end up with stop-work orders and delays.
- Detached building neglect: Shops, ADUs, and detached garages on San Mateo acreage get re-roofed less often than the main house. By the time someone calls us, the decking is soft and the job costs more than it would have a few years earlier.
Pricing for Roofing Company in San Mateo, CA
Residential roof repairs in San Mateo typically run $450 – $1,800, while a full tear-off and replacement on a standard 1,500 – 2,500 sq ft home falls between $14,000 and $28,000. Flat or low-slope roofs in Eichler-style homes land on the higher end because of specialized underlayment and drainage work. Detached ADU or shop roofs run $8,000 – $18,000 depending on decking condition. Acreage parcels with long hauls, steep access, or county permit requirements add 8 – 15% to the total. You’ll see your exact number in writing before we start. Call (831) 228-3330 for a free estimate and we’ll scope it properly.
We Also Serve Cities Near San Mateo
Our crews regularly work in Belmont, Millbrae, San Carlos, and South San Francisco, handling the same fog-driven moisture issues and mid-century housing stock. If you’re in one of those cities, the same written-price promise and 365-Day Done Right Promise apply. We schedule work across the Peninsula so your roofing project doesn’t sit waiting for a crew.
Serving San Mateo, CA - Our Local Coverage Area
We’re based in the San Mateo 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 Roofing Company in San Mateo
If your San Mateo property is on county land and has a septic tank, county code typically requires a 100-foot setback from the tank and leach field before staging, debris bins, or equipment can be placed. We confirm the location and document the setback before quoting, so there’s no stop-work order after tear-off begins. Call (831) 228-3330 to have us check your parcel.
Homes in Aragon and most incorporated San Mateo neighborhoods go through city permitting. Properties in unincorporated foothill areas fall under San Mateo County, which adds setback and drainage reviews. We determine which jurisdiction applies to your address before we write your estimate, so there’s no permit surprise mid-project.
San Mateo’s marine layer keeps north-facing slopes damp for long stretches, even during dry months. That moisture supports moss growth and accelerates corrosion on metal flashing in valleys, which is why north-side leaks are the most common call we get. We address it with ice and water shield in the valleys and corrosion-resistant flashing on repairs and replacements.
Detached buildings often need decking repair once the old roof is pulled, because they’ve usually gone longer between re-roofs. We inspect for soft spots, quote the decking replacement in writing, and include haul distance and access time if the building sits far from the road. The price won’t change once we start.
On foothill lots, we check how water moves off the roof and away from the structure before we quote the roofing itself. If regrading or a drain needs to be added, we write that as a separate line item, with its own price, before anything starts. One project off Polhemus Road included a mild regrade to keep runoff out of a detached shop, and we scoped it on the original estimate. Call (831) 228-3330 and we’ll walk your lot with you.
Written by Erik Lindgren, Owner at Birchbark Roofing San Francisco, serving San Mateo with written-price estimates and the 365-Day Done Right Promise.