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 San Anselmo
San Anselmo roofs take a beating from two directions at once. The creek corridor floods, the hillsides catch wind, and most of the housing stock is old enough to have cedar shakes hiding under later layers. If you need a Roofing Company that knows the difference between a Sleepy Hollow hillside and a San Anselmo Avenue bungalow, we’re the crew to call. Brennan Roofing serves San Anselmo with written pricing before any work starts, background-checked uniformed technicians, and a full-year guarantee on every job. Call (361) 320-9467 and a live person answers, day or night.
Why Brennan Roofing Is San Anselmo’s Preferred Roofing Company Company
We bid San Anselmo work the way the town actually is: tight lots, shared walls, and a building department that wants to see the details. Travis Oakley runs our crews under what we call The Garrison Standard: the price goes on paper before any work begins, the technicians who show up are background-checked and in uniform, and every installation and repair is backed in writing for one full year. That’s the 365-Day Done Right Promise. If a repair fails inside the guarantee period, we return at no charge. No argument.
San Anselmo homeowners have told us the same story for years: the roofer measured from a satellite, never walked the lot, then discovered there was nowhere to stage a dumpster without blocking a neighbor’s driveway. We walk every roof before we quote. On a tight Sleepy Hollow lot, that means knowing whether tear-off debris gets hand-carried to a single dumpster parked legally at the curb, or staged in the driveway and hauled in sections. Access drives the quote. We say so on paper, and the number doesn’t move at the door.
Roof Coating in San Anselmo
Roof Coating in San Anselmo is a practical option for low-slope sections that are leaking but not structurally failed. On hillside contemporaries with flat built-up or modified bitumen roofs, a silicone or acrylic coating can buy five to ten years of service, restore reflectivity, and seal hairline cracks before they become interior damage. We use it most often on Sleepy Hollow homes where a full tear-off would mean staging material on a slope that can’t hold a dumpster.
Coating vs. Full Replacement
A coating is not a repair for rotted decking or failed flashing. It seals the surface; it does not rebuild what’s underneath. On a San Anselmo flat roof with standing water that puddles for more than 48 hours, coating alone will not fix the drainage problem. We say so plainly before you spend a dollar.
What Coating Costs Here
Expect $4 to $7 per square foot for a two-coat silicone system on a clean, sound low-slope roof in San Anselmo. A full replacement of the same roof runs $12 to $18 per square foot with new insulation and membrane. We’ll write both numbers on the estimate so you can compare honestly.
Free Roof Estimate in San Anselmo
A Free Roof Estimate in San Anselmo from Brennan Roofing means walking the roof, not measuring it from a computer. We inspect the decking from the attic side when we can, check flashing at walls and chimneys, look at the downspout discharge points (critical in the flood-prone flats), and then write a line-item price. The estimate is free, it’s in writing, and it includes the access plan, the material specification, and the dumpster or staging location. No work starts until you have that number on paper.
What We Check on the Walk
We look for the San Anselmo-specific failures: redwood and oak debris packed into valleys, original cedar shake under later shingle layers, low-slope sections on hillside homes that need hot-mop or TPO instead of standard architectural shingles. We also check whether the downspouts currently discharge against the foundation, which is a recurring problem on San Anselmo Avenue bungalows in the creek corridor.
How Long the Estimate Takes
Most San Anselmo estimates take 45 to 90 minutes on site. Steep hillside roofs with multiple levels take longer. You don’t need to be home the whole time, but we do need access to the roof and, when possible, the attic. A live person answers when you call to book.
Trusted Brands We Service in San Anselmo
We install materials from GAF, Atlas, and Tamko, and we keep common components stocked locally for San Anselmo customers. If you have a GAF shingle roof that needs a repair matching the existing color, we can usually source it faster than a company that orders everything from a warehouse two states away. We do not push one brand. We explain the differences in fire rating, wind warranty, and cost, then let you decide. That’s how the Roofing Company in San Anselmo should operate.
Common Roofing Company Problems We See in San Anselmo Homes
- Cedar shake hidden under later layers. On 1920s bungalows off San Anselmo Avenue, we routinely find the original wood shakes still nailed down under two or three layers of composition shingle. That’s weight the roof was never designed to carry, and it complicates every repair.
- Downspouts discharging against foundations. In the creek corridor flats, water backs up during atmospheric river storms. Short downspouts dump water at the foundation line, and the soil can’t absorb it fast enough. We extend discharge well past the foundation toward the street or a proper drain.
- Debris-packed valleys in Sleepy Hollow. Windstorms drive redwood and oak debris into valleys and behind chimneys on the hillsides. Water backs up behind the debris, under the flashing, and into the house. It looks like a leak; it’s actually a maintenance failure.
- Low-slope sections treated like steep shingle roofs. Many mid-century hillside homes in San Anselmo have flat or low-slope sections that standard shingles can’t handle. They need hot-mop or TPO. We see shingles nailed onto 2:12 slopes all the time, and they leak within a season or two.
Pricing for Roofing Company in San Anselmo, CA
An architectural shingle roof replacement in San Anselmo runs $7 to $11 per square foot for a standard steep-slope home with moderate access. A 2,000-square-foot ranch downtown lands around $14,000 to $22,000. Tile or metal runs higher: $14 to $22 per square foot installed, depending on profile and the staging constraints of your lot. Repairs run $400 to $1,200 for typical flashing or valley work, with chimney flashing and cricket rebuilds in the $800 to $2,000 range. The two things that move the number in San Anselmo more than anywhere else: access for staging and the condition of what’s underneath the top layer. We write the exact number on your free estimate, and it does not change at the door.
We Also Serve Cities Near San Anselmo
Our crews work throughout central Marin. We serve Fairfax, Kentfield, San Rafael, and Larkspur, and many of our San Anselmo customers ask us to look at a roof in one of those towns while we’re there. The same written pricing, the same guarantee, the same live person on the phone.
Serving San Anselmo, CA - Our Local Coverage Area
We’re based in the San Anselmo 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 Anselmo
Because every square of material and every piece of tear-off has to get on and off the roof without blocking a neighbor’s driveway or the shared alley, and on a tight San Anselmo lot that often means hand-carrying debris to a single dumpster parked at the curb. A satellite quote can’t see that; we do, because we walk the lot before we bid, and the access plan goes on the written estimate. Call (361) 320-9467 for a quote that accounts for your actual site.
Yes, increasingly. San Anselmo sits near open-space wildfire risk, and local code has tightened toward Class A assemblies and ember-resistant vents, especially on the hillside homes in Sleepy Hollow and the flats above. Ask your roofer which shingle they’re specifying; it should be a Class A fire-rated product.
The lowlands along the creek corridor need downspouts discharging well clear of foundations to handle flood-rise water, while the hillside roofs need wind-lift fastening patterns and fire-hardened assemblies. Same town, two different roofing specifications. A roofer who treats them the same will fail one of them.
We post notice before tear-off starts, we follow San Anselmo work-hour rules (no 7 a.m. hammering on a shared wall), and we stage on our side of the property line so we’re not occupying a neighbor’s driveway or the alley. It’s procedural, not improvisational; it’s part of The Garrison Standard.
Yes. Bring us the other bid and we’ll tell you what’s actually comparable: whether both include decking replacement if rot is found, what fire rating the shingles carry, what underlayment is specified, and whether the access plan accounts for your lot. A lower number that omits any of those is not a lower bid, it’s a different roof. Call (361) 320-9467 and we’ll walk you through it.
Written by Travis Oakley, Owner at Brennan Roofing, serving San Anselmo under The Garrison Standard.