Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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AfterFast, Reliable Roofing Company Across Kensington
Roofing work in Kensington moves on a different clock than the rest of the East Bay. The permitting goes through Contra Costa County in Martinez, not a local city hall, and the fog belt means materials and crew scheduling bend around marine moisture most of the year. Birchbark Roofing has worked Kensington’s steep lots, 1920s Craftsman rooflines, and Very High Fire Hazard Severity Zone requirements long enough to know which paperwork must clear before the first shingle lands. Call (424) 766-4937 and you’ll get a live person, not a voicemail tree, who can walk you through what your specific roof needs.
Why Birchbark Roofing Is Kensington’s Preferred Roofing Company
Kensington homeowners don’t need a roofer who guesses. They need one who has already navigated the county permit desk in Martinez, who knows what the fog does to decking on a north-facing dormer, and who shows up with the right flashing instead of improvising at the ridge. Our Roofing Company crews work on Kensington roofs every month, and the homes here keep teaching us the same lesson: the details live in the valleys, the dormers, and the permit file.
We’re part of the Cedarwell family of independent roofing businesses, a network that’s been operating since 2000. That means our Kensington customers get a crew that is background-checked and uniformed, a written price before any work starts, and a 365-Day Done Right Promise stamped on every job. If the work isn’t right, we make it right. No fine print, no arguing.
And because this is Kensington, where the marine layer rolls in off the Bay and settles on shake roofs that should have been replaced a decade ago, we schedule inspections around the county’s availability, not ours. A live person answers our phones 24/7, so when a Kensington homeowner calls at 7 a.m. about a leak near Colusa Circle, someone picks up.
Residential Roofing in Kensington
Residential Roofing in Kensington means working on homes built between the 1920s and 1950s, most of them on hillside lots with multiple valleys, steep pitches, and dormers that collect fog moisture. A full roof replacement on a Kensington Craftsman or Tudor revival typically runs $18,000 to $42,000 depending on square footage, tear-off layers, and the amount of decking that needs replacement once we pull the old material. A repair in Kensington, like a valley leak or flashing failure around a chimney, usually lands between $650 and $2,800.
Shake-to-Class A Conversions
This is the big one in Kensington. Many homes here still carry original wood shake, and in a Very High Fire Hazard Severity Zone, insurance carriers are refusing to renew policies on legacy shake roofs. We scope the conversion as a full tear-off down to decking, install a Class A-rated system (composition, tile, or standing seam metal), and pull the county permit from the Building Inspection Division in Martinez before materials arrive.
Complex Roofline Scoping
Kensington’s Period Revival homes rarely have a simple gable. We walk every valley, dormer, and pitch change before quoting. Flashing at these transitions is where Kensington roofs fail first, and it’s where most low-bid roofers cut corners. Our written price includes the actual flashing plan, not a hopeful guess.
Roof Maintenance in Kensington
Roof Maintenance in Kensington is not optional, and the fog is the reason. Persistent marine moisture accelerates granule loss on composition shingles, feeds moss and lichen on shaded north slopes, and rots decking beneath materials that look fine from the street. A maintenance visit on a Kensington home runs $275 to $650, and it should happen every 12 to 18 months, not when you spot a stain on the ceiling.
Fog Belt Moss and Debris Service
We clear debris from valleys and gutters, treat moss and lichen with products that are safe for the landscaping below, and inspect flashing at chimneys, dormers, and sidewalls. On Kensington lots where redwoods and eucalyptus overhang the roof, this service is the difference between a 25-year roof and a 12-year roof.
Pre-Storm and Post-Storm Checks
Before the winter rains arrive, we check ridge vents, pipe collars, and the seams where moss tends to lift shingles. After a storm, we look for wind-driven moisture at the eaves. Kensington’s open hillside exposure means wind and fog hit roofs from the west and southwest more than flatland homes ever experience.
Pricing for Roofing Company in Kensington, CA
Here’s what Kensington homeowners should expect, in real dollars. Roof repairs run $650 to $2,800 for most valley leaks, flashing failures, and small decking patches. A full roof replacement on a standard Kensington Craftsman bungalow runs $18,000 to $42,000, with steep-lot access, multiple dormers, and legacy shake tear-off pushing toward the higher end. Metal roofing in Kensington runs $28,000 to $55,000 depending on profile and the amount of custom flashing. You’ll get a written price before any work starts, and that number is the number. No change orders unless we uncover something structural and call you first with photos. Call (424) 766-4937 for an exact quote, and our estimate is free.
Common Roofing Company Problems We See in Kensington Homes
- Unpermitted shake-to-Class A conversions. A roofer pulls a Berkeley or El Cerrito permit by habit, the county has no record, and the insurance file shows a non-compliant roof. We’ve cleaned up several of these in Kensington, and the fix is always a full county re-inspection.
- Fog-accelerated deck rot at valleys and dormers. Kensington’s marine layer keeps underlayment damp for weeks at a time. When we tear off, we often find plywood that looks intact but crumbles at the fastener points.
- Material delivery fails on steep lots. Crews stage shingles at the street and discover the boom can’t reach. On Kensington’s hillside lots, we scope access before we quote, so the dumpster and materials land where they’re actually needed.
- Drainage ignored on acreage lots. Water that used to sheet off an old shake roof now dumps against a detached shop or ADU foundation because the gutter plan was never part of the bid. We scope drainage separately on these Kensington properties.
Trusted Brands We Service in Kensington
Birchbark Roofing works with GAF, CertainTeed, and Owens Corning materials, and we keep common profiles and flashing in local supply rotation so Kensington customers don’t wait on a long freight delay. For a Kensington home in the Very High Fire Hazard Severity Zone, a GAF Timberline HDZ or CertainTeed Landmark Pro both deliver Class A fire ratings with the right underlayment system. We’ll explain the differences in writing before you choose.
We Also Serve Cities Near Kensington
While this page covers Kensington specifically, our crews also work on roofs in Kensington and across the Bay Area, including Los Angeles, San Diego, San Jose, and San Francisco. If you’re just outside our Kensington service area, call us and we’ll confirm coverage.
Serving Kensington, CA - Our Local Coverage Area
We’re based in the Kensington 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 Kensington
Kensington is unincorporated Contra Costa County, so the Building Inspection Division in Martinez issues the permit, not Berkeley, not El Cerrito. A roofer who pulls a permit from the wrong jurisdiction is doing unpermitted work. We pull from Martinez every time, and we schedule the county inspection before the first square goes down. Call (424) 766-4937 if you’re unsure whether a previous roof job was properly permitted.
In most cases, it has to come off. Kensington sits inside a Very High Fire Hazard Severity Zone, and insurance carriers are declining to renew policies on legacy shake roofs. Even a partial shake repair doesn’t solve the insurance problem. The conversion to a Class A assembly, whether composition, tile, or metal, is now the realistic path for Kensington homeowners. We can tell you exactly what your roof needs and what the county will require.
Ask for the written permit plan, including which jurisdiction issues the permit. Ask how many squares of decking the bidder assumes will be replaced, and what the per-sheet price is if more is needed. Ask whether drainage, gutter, and downspout work is included or separate. Ask whether the flashing plan covers every valley, dormer, and penetration shown on the roof plan. If the answer is vague, the bid is vague. Ours isn’t. Call (424) 766-4937 for a written, line-item quote.
The fog belt is the difference. Kensington receives persistent marine moisture off the Bay almost year-round, which accelerates granule loss, moss and lichen growth, and deck rot beneath shingles. Walnut Creek and Concord, a few miles inland, dry out. A roof in Kensington that looks ten years old in Walnut Creek may actually be at end of life. We inspect for this specifically on Kensington homes.
Yes, and they should. On Kensington acreage lots, we scope each structure separately: the main house, the detached shop, the ADU, any carport or shed with a roof that ties into drainage. We also review how water moves across the lot, because a new roof on the main house changes where runoff goes, and a poorly planned gutter system can dump it against a shop foundation. We include all of this in the written price. Call (424) 766-4937 to schedule a scoping visit.
Written by Erik Lindgren, Owner at Birchbark Roofing, serving Kensington and the East Bay with written-price roofing and the 365-Day Done Right Promise.