Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across San Rafael
If you’re searching for a roofing company in San Rafael that actually protects the people inside the home, not just the structure above it, here’s what you need to know first: Mercer Roofing sends every technician’s name and photo to you before the visit, the technician badges in with a photo ID at the door, and every price is in writing before work starts. No guesswork. No stranger at the door you weren’t expecting. Call (743) 200-8347 to schedule your free estimate.
We work throughout San Rafael daily, from the Terra Linda tracts to the hillside parcels above downtown and out toward Lucas Valley. The homes here throw specific challenges at a roof: fire-code compliance on shake replacements, low-slope carport sections that pond, storm systems off the Pacific that dump 30-plus inches of rain in a season. Our crews know these streets and these rooflines.
Why Mercer Roofing Is San Rafael’s Preferred Roofing Company
Homeowners in San Rafael tend to ask us the same question after the work is done: why does every other roofer send a crew I’ve never seen before? We don’t do that. Every Mercer technician is background-checked, identity-verified, and dispatched under the Threshold Verified standard, which each independently owned location is contractually held to. You get the name, the photo, and the guarantee before the truck ever parks.
We were founded in 2000 and operate as part of the Roofing Company team serving the Bay Area from our San Francisco area office, with crews dispatched into San Rafael locally. Our technicians arrive in a clean, marked uniform with a photo ID badge. A live person answers the phone 24/7. And after the job is done, the 365-Day Done Right Promise backs the work: if it’s not right within a year, we make it right.
For the homeowner who is often home alone, or has young kids, or wants certainty about who is walking up the driveway, that changes the entire experience of getting a roof repaired or replaced. San Rafael residents choose Mercer because we treat the home as a place to be protected, not just a job site.
Free Roof Estimate in San Rafael
Your Free Roof Estimate from Mercer Roofing starts with a real set of eyes on your San Rafael roof, not a number pulled from a computer model. We walk the property, check the flashing and decking, look at the low-slope sections if you have a Terra Linda ranch, and confirm the material requirements if your parcel sits in a fire hazard zone. Then we hand you a written price before any work starts. Every time.
Why We Walk the Roof Before Quoting
San Rafael is not a single-roofline city. A 1960s tract home on a flat Terra Linda lot and a hillside custom build above Dominican need completely different scopes. We don’t quote from satellite photos. We get on the roof, or use a drone where pitch makes walking unsafe, and we look at what’s actually deteriorating.
What You Get in Writing
The written price is yours to keep. It includes the full line-item scope, the materials, the labor, and the 365-day guarantee on repairs. If the price changes after we open the roof because the decking is soft or the underlayment is shot, we show you what we found before we spend another dollar. No surprises on the invoice.
Roofing Contractor in San Rafael
As a Roofing Contractor working throughout San Rafael, we handle the jobs other roofers won’t scope properly: acreage properties with long material hauls, hillside parcels with HFHSZ fire-code requirements, outbuildings and detached ADUs, and low-slope sections that were never flashing-correct from the start. We pull permits, coordinate inspections, and make sure Marin County’s plan check doesn’t hold your permit over missing Class A documentation.
Handling Marin County Permits For You
Grant Whitlock leads our operation, and one thing he drills into every estimator is this: know the permit path before you quote. Marin County building inspectors specifically flag roofing permit applications in HFHSZ parcels for Class A material verification. A contractor who proposes a like-for-like shake replacement on a flagged parcel will have the permit held. We file correctly the first time and keep you informed while the county reviews.
Working Around Wells, Septic, and Access
On acreage outside the core San Rafael grid, a roof project is not just a roof. The dumpster has to sit somewhere that doesn’t cross a septic leach field. The material delivery truck needs adequate turn radius. The crew has to access the roof without disrupting a well line. We scope all of this before we quote, because it changes the labor and disposal cost, and we’d rather give you an accurate number than a cheap one.
Trusted Brands We Service in San Rafael
We install and repair manufacturer-recognized shingle systems from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For San Rafael homeowners in HFHSZ parcels, we frequently specify Atlas StormMaster or GAF Timberline systems with Class A fire ratings to satisfy county compliance without sacrificing the look homeowners want on a hillside home. Materials are sourced through our established supply lines, which means faster turnaround for San Rafael jobs and less waiting on backordered components.
Common Roofing Company Problems We See in San Rafael Homes
- Unlawful wood shake on hillside parcels. Thousands of 1960s and 1970s San Rafael hillside homes went up with wood shake, and today those same parcels sit inside California’s High Fire Hazard Severity Zone. You cannot legally re-roof with like-for-like shake in those zones. Every replacement has to be a Class A fire-rated system, and Marin County holds the permit until that documentation is on the application.
- Low-slope carport ponding on Terra Linda tract homes. The Terra Linda tracts developed heavily from the late 1950s through the 1960s, and many of those homes have low-slope carport or rear-addition sections. Water ponds there, the composition fails at the valleys and penetrations, and the leak recurs because the pitch was never corrected. You fix it with proper low-slope detailing, not another layer of patch.
- Storm-driven water intrusion at flashing points. San Rafael sits directly in the path of Pacific storm systems that deliver sustained heavy rainfall, roughly 30 to 35 inches annually due to orographic lift off the coastal hills. That’s materially more than Oakland or San Jose. Valley flashing, high-grade underlayment, and functional guttering are not optional upgrades here; they’re the difference between a dry attic and a recurring stain.
- Acreage scopes that skip hauling and access costs. A roof on an open lot outside the central grid is never just a roof. The material haul, the dumpster placement, the well and septic setbacks, and the equipment access all change the job. Contractors who quote acreage work as if it were a suburban lot inevitably come back with change orders.
Key takeaways for San Rafael homeowners: know your fire zone before you plan a re-roof, get low-slope sections detailed correctly rather than patched, insist on upgraded underlayment and flashing given Marin rainfall, and make sure any acreage quote accounts for hauling and setbacks.
Pricing for Roofing Company in San Rafael, CA
A typical full roof replacement in San Rafael runs $14,000 to $28,000 depending on pitch, square footage, and whether fire-code compliance forces a tear-off of existing shake. A targeted roof repair, like a leak at a valley or failed flashing around a chimney, typically runs $450 to $1,100. A roof inspection runs $195 to $395, and we credit that amount toward any repair or replacement we complete for you.
What moves the price in San Rafael specifically: HFHSZ parcels that require Class A materials, steep hillside pitches that slow a crew down and require additional safety gear, low-slope sections that need self-adhered membrane underlayment, and acreage jobs with long material hauls or septic setbacks that restrict dumpster placement. Every estimate is line-itemed in writing so you can see exactly where your dollars go before you commit.
We Also Serve Cities Near San Rafael
Our crews serve San Rafael and the surrounding communities, including Larkspur, Kentfield, Corte Madera, and San Anselmo. If you’re in one of those nearby cities and need a roofing estimate, call us at (743) 200-8347. We schedule the same way everywhere we work: written price first, badged technician at the door, guarantee in writing.
Serving San Rafael, CA - Our Local Coverage Area
We’re based in the San Rafael 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 Rafael
If your parcel sits inside California’s High Fire Hazard Severity Zone, you cannot do a like-for-like wood shake replacement when the existing roof reaches the end of its life. Marin County requires a Class A fire-rated system, and the building department holds the permit until that Class A documentation is on the application. You can keep the existing shake until it needs replacement, but when it fails, the code requires the upgrade. Call (743) 200-8347 and we’ll confirm whether your parcel is flagged before you plan the project.
Acreage jobs change in four ways: the haul distance for materials and dumpster access, the well and septic setbacks that restrict where equipment can sit, the presence of outbuildings or detached ADUs that may need scoping for separate roof work, and the grading and drainage around the structure that affects runoff during construction. We walk all of this before quoting, because a good roof installed over a bad drainage plan still fails at the foundation line.
The low-slope carport on Terra Linda tract homes was often built without the drainage pitch a flat section actually needs, so water ponds at the valleys and penetrations and eventually works through the composition. Leaks recur because the patch fixes the surface but not the pitch. We tear down to the decking, sister the soft spots, lay a self-adhered ice and water shield across the flat run, and tie it into the main pitch with new valleys, flashing, and guttering where needed. Call (743) 200-8347 to have it scoped properly.
Marin County gets roughly 30 to 35 inches of rain annually, delivered by sustained Pacific storm systems, and San Rafael sits directly in that path. That much water, falling for hours at a time, exposes weak valley flashing, thin underlayment, and clogged guttering fast. We specify upgraded underlayment, correctly lapped valley metal, and functional drainage on every San Rafael roof we install or repair, because those components fail first in this climate.
Line up the line items. A real San Rafael bid shows the permit fee, the material spec including fire-rating if applicable, the haul and disposal cost, the decking replacement allowance if soft spots are found, and the warranty terms. A generic bid might be a single number with no scope detail. Ask both contractors whether the permit application accounts for HFHSZ Class A verification if your parcel is flagged. Then ask whether the price is in writing before work starts. Ours always is. Call (743) 200-8347 for a free estimate and a written scope you can compare line by line.
Written by Grant Whitlock, Owner at Mercer Roofing, serving San Rafael and the surrounding Marin County communities.






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