Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across San Rafael
Brennan Roofing is a Roofing Company that serves San Rafael with written pricing before any work starts. We know the difference between a Gerstle Park roof that gets pounded by 60 inches of rain and a Lucas Valley roof that bakes under summer sun. Call (361) 320-9467 and a live person answers. No voicemail, no callback queue. We dispatch background-checked, uniformed technicians to San Rafael every week, and every job carries our 365-Day Done Right Promise in writing.
Why Brennan Roofing Is San Rafael’s Preferred Roofing Company
Homeowners in San Rafael call us because the price goes on paper before any work begins. That number does not move at the door. Every technician who steps onto your roof is background-checked and in uniform, so you know exactly who is up there. Travis Oakley runs our crews and holds every job to the same Garrison Standard, whether it’s a small repair in the West End or a full replacement in Peacock Gap.
We have torn off enough layered wood shingle roofs on Gerstle Park Craftsman bungalows to know what hides underneath: split skip sheathing, crushed soffit vents, and knob-and-tube wiring that the permit will flag once walls are open. That local knowledge changes how we bid and how we work. We stock parts for San Rafael’s older housing stock and can source materials fast from Bay Area supply houses, which keeps turnaround tight for our San Rafael customers.
Roof Maintenance in San Rafael
Roof Maintenance in San Rafael means something different depending on which side of the 101 you live on. In the fog belt of Gerstle Park and the West End, moss and debris accumulate fast, and we clear valleys, check flashing, and make sure the decking is still dry. In Terra Linda and Lucas Valley, the work is more about UV damage: cracked pipe boots, dried-out sealant, and granule loss on sun-facing slopes. A typical maintenance visit in San Rafael runs $250 – $450, which covers the Roof Inspection in San Rafael, debris clearing, minor sealant work, and a written report with photos.
Inspection and small-repair visits
Most San Rafael roofs fail at the details: flashing around chimneys, pipe collars, and valley metal. We inspect those first, then walk every slope. If we find a small fix, we quote it on the spot and do it only after you approve the number in writing.
Seasonal prep for the fog belt
Homes west of the 101 should get a fall maintenance visit before the heavy rain arrives. We clear the debris that traps moisture against shingles and make sure drip edge is still intact. That single visit routinely prevents leaks that would otherwise show up in January.
Roof Coating in San Rafael
Roof Coating in San Rafael is most common on the flat and low-slope roofs of Terra Linda Eichlers and the commercial buildings near downtown. The original tar-and-gravel systems on those 1960s homes often pond water because the drains are undersized for modern rain events. A roof coating seals the surface and reflects heat, but in San Rafael it cannot be specified without checking drainage first. A typical coating application runs $4.50 – $7.50 per square foot, depending on the existing substrate condition.
Flat-roof coatings for Eichlers
If your Terra Linda Eichler still has the original tar-and-gravel, the real problem is usually the drains, not the membrane. We inspect the drain sizing and add a secondary emergency overflow where local code now requires it. Then we coat. The coating is only part of the fix; the drainage detail is what keeps water from ponding again.
Coatings that hold up under UV
Lucas Valley and Terra Linda roofs get hard afternoon sun, so we favor reflective coatings that cut attic temperatures and slow membrane degradation. The coating has to be rated for the specific substrate, and we will tell you plainly which one matches your roof.
Trusted Brands We Service in San Rafael
We install materials from GAF, CertainTeed, Owens Corning, and other leading manufacturer lines, but we do not push a brand; we explain the tradeoffs and let you choose. GAF architectural shingles handle San Rafael’s wind and rain well on steep slopes, and Atlas offers strong options for the sun-exposed roofs of Lucas Valley. For flat and low-slope systems, we spec membranes from Tamko and Boral-approved applicators. Because we service these brands in San Rafael every week, our crews know their installation requirements cold, and we can order materials fast without holding up your job.
Common Roofing Company Problems We See in San Rafael Homes
- Layered-over wood shingle roofs on pre-1920s homes. Gerstle Park, Dominican, and West End bungalows often have two or three roof layers over original 1×6 skip sheathing. The added weight splits the decking and crushes soffit ventilation, which rots the attic framing over time.
- One roof system specified citywide. A roofing crew that treats San Rafael as one climate zone specs the same underlayment for Terra Linda and the West End. The result is either moisture rot in the fog belt or UV-cracked membrane in the rain shadow. We spec by microclimate, not by city name.
- Flat Eichler roofs with undersized drains. The original tar-and-gravel systems in Terra Linda pond water because the drains were sized for 1960s rain patterns. Modern code now requires a secondary emergency overflow, and roofers from neighboring towns routinely miss it.
- Knob-and-tube wiring exposed by re-roofing permits. When a San Rafael permit opens up attic spaces on older homes, the inspector often flags original knob-and-tube wiring. Homeowners who did not plan for that upgrade see their quote jump mid-job. We include allowance language in our contract before we start.
Pricing for Roofing Company in San Rafael, CA
A full roof replacement in San Rafael typically runs $12,000 – $28,000 for architectural shingles, depending on roof size, pitch, tear-off layers, and decking condition. Roof repairs run $350 – $1,800 for most leak and flashing fixes. Roof coating on a flat Eichler runs $4.50 – $7.50 per square foot. What moves the number is what we find when we open it up: split sheathing, rot, undersized drains, or wiring that a permit flags. That is why we write allowances into the contract before any work starts. Call (361) 320-9467 for a free estimate with the price on paper before anything is nailed down.
We Also Serve Cities Near San Rafael
Our crews regularly work in Larkspur, Kentfield, Corte Madera, and San Anselmo. If you live in one of these nearby communities, we bring the same Roofing Company discipline: written pricing, background-checked uniformed technicians, and the 365-Day Done Right Promise on every job.
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
Because San Rafael’s older housing stock hides real problems under the surface: split skip sheathing, rotted framing, crushed ventilation, and knob-and-tube wiring that the permit inspector flags once walls are open. At Brennan Roofing, the quote does not move at the door because we write inspection findings and allowance language into the contract before work begins. Any surprise gets priced and approved in writing before we touch it. Call (361) 320-9467 to have us walk your roof and give you a written number.
No. The West End and Gerstle Park sit in the fog belt with 40 – 60 inches of annual rain, while Terra Linda and Lucas Valley get 25 – 35 inches and much harder summer UV. We use different underlayment, ventilation, and shingle color for each zone. A roof system that survives Terra Linda sun will fail fast in Gerstle Park damp, and vice versa. That microclimate split is the single biggest reason to hire a roofer who actually works in San Rafael.
It needs a secondary emergency overflow. The original 1960s roof drains are undersized for modern rain events, so water ponds and finds its way inside. Local code now requires that overflow detail, and roofers from neighboring towns routinely miss it. We check drain sizing on every Terra Linda Eichler we touch, and we add the overflow before we install the new membrane. Call (361) 320-9467 for a flat-roof inspection with a written quote.
Put both bids side by side and check three things: whether each one includes the tear-off, the decking replacement allowance, and the ventilation upgrade. In San Rafael, a low bid often skips the decking work, which means you pay for it after the roof is opened up. We write the decking allowance into the contract so you know the full number before we start. We also give you a written price that does not move at the door, so you are comparing real numbers, not estimates.
Yes, when they are installed with the right underlayment and ventilation for the specific microclimate. GAF and Atlas architectural shingles hold up well on San Rafael’s steeper slopes, but the underlayment choice matters more than the shingle brand. In the fog belt, we lay ice and water shield through the valleys and along the eaves where moisture accumulates. In the rain shadow, we focus on ventilation to keep the attic from baking. The roof system, not just the shingle, is what holds up.
Written by Travis Oakley, Owner at Brennan Roofing, serving San Rafael with written pricing and the 365-Day Done Right Promise.
Call (361) 320-9467 to schedule your free estimate. A live person answers, and you will have a written price before any work begins.






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