Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roofers in Windsor, CA
Roofing in Windsor, CA means working on homes shaped by Sonoma County’s dry summers, wet winters, and a building code that takes fire safety seriously. Most of the roofing work here involves replacing aging concrete tile and composition shingle roofs on tract homes built between the 1980s and early 2000s, many of which are now at the end of their service life. If you need a straight answer on cost or a crew that shows up on time and leaves the job site clean, call Brennan Roofing at (361) 320-9467.
Why Windsor Homes Are Different
Windsor sits in the middle of Sonoma County wine country, and that changes what roofing actually involves here. Local building codes in Windsor are written to protect the Russian River watershed, which means permits and material choices get closer scrutiny than in many nearby towns. The 2019 Kincaid Fire pushed that further: many homes rebuilt after the fire had to meet enhanced fire-resistant standards, and that expectation has spread to existing homes across town. A roof that would pass in a wetter, cooler climate often will not pass here if the assembly is not Class A fire-rated.
The housing stock tells the same story. Older homes in the Windsorland and Brooks Creek areas still carry original wood shake roofs in some cases. Those shakes are a fire hazard and they also rot from the morning fog that rolls off the Russian River. On the other side, newer custom homes near the vineyards may have standing-seam metal or slate, but those are the minority. Most of the work we quote in Windsor is replacing tired tile and shingle roofs on the suburban tract homes that make up the bulk of town.
Our Main Windsor Services
Windsor homeowners call us most often for full roof replacements and for repairs on aging roofs that have started leaking during winter atmospheric rivers. Here is how each one works.
Roofing Company in Windsor
A full roof replacement in Windsor starts with an honest look at what is already up there. On the 1980s and 1990s tract homes, that usually means concrete tile or composition shingles over aging underlayment and worn drip edge. We write the price down before any work starts, give you the material options in plain English, and schedule the tear-off around Sonoma County’s dry season when possible. Learn more on our Roofing Company in Windsor page.

Roof Repair in Windsor
Windsor’s wet winters expose weak points fast. Heavy rains from atmospheric rivers find their way through cracked tiles, failed flashing around vents and chimneys, and worn pipe boots. Fall winds can lift shingles that were nailed too high or left loose. We repair what is actually broken, explain what caused it, and stand behind the repair in writing for a full year. Details are on the Roof Repair in Windsor page.

Roof Inspection in Windsor
After the Kincaid Fire and the rebuilds that followed, many Windsor homeowners want a documented roof condition before making a purchase or filing an insurance claim. Our inspections look at the roof surface, flashing, decking, and drainage, then give you a written summary of what is sound and what is not. We do not upsell inspections into unnecessary work. See what we check on the Roof Inspection in Windsor page.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Windsor
We install and maintain roofing from GAF, CertainTeed, Owens Corning, and Atlas, among others. Parts and matching materials are sourced through supplier networks that keep turnaround reasonable for Windsor jobs. See our brands for the full list and what each line offers.
Pricing for Roofers in Windsor, CA
| Service | Typical range in Windsor |
|---|---|
| Full roof replacement (composition shingle, 1,800 – 2,200 sq ft) | $11,000 – $19,000 |
| Full roof replacement (concrete tile, 1,800 – 2,200 sq ft) | $24,000 – $42,000 |
| Standing-seam metal roof (1,800 – 2,200 sq ft) | $28,000 – $48,000 |
| Slate-look or synthetic roof (1,800 – 2,200 sq ft) | $22,000 – $38,000 |
| Repair: cracked or slipped tile replacement (per tile, 5 – 20 tiles) | $180 – $620 |
| Repair: leak around pipe boot or vent flashing | $240 – $520 |
| Repair: valley or chimney flashing repair | $380 – $850 |
| Repair: underlayment patch under lifted shingles | $320 – $720 |
| Roof inspection (visual, written report) | $190 – $390 |
What pushes a Windsor roof quote higher is usually the decking underneath. Homes built in the 1980s and 1990s sometimes have plywood that is delaminating or water-damaged at the eaves, and code requires replacing it before new underlayment goes down. The price also moves with the fire-rating requirement: a Class A assembly costs more than a basic system, and in Windsor it is often non-negotiable. Whatever the number, it goes on paper before any work starts, and it does not move at the door.
Neighborhoods We Serve in Windsor
We work throughout Windsor, including the older subdivisions where original roofing is now failing and the newer pockets near the vineyards. Our crews know the common roof profiles in each area, which shortens diagnosis and keeps estimates accurate.
- Windsorland
- Brooks Creek
- Old Downtown Windsor
- Shiloh Estates
- East Windsor
Most Windsor homes are within a short drive of our scheduling base, so a standard estimate visit usually happens within a few business days, and repairs can often be scheduled the same week once we have the materials on order.
Service Area – Cities Near Windsor
Brennan Roofing also covers the surrounding Sonoma County towns. If you are in Healdsburg, CA, Santa Rosa, CA, Sebastopol, CA, or Calistoga, CA, the same written-price standard applies. Dispatch and scheduling are coordinated from our San Francisco Bay Area office; the crews serving Windsor work locally.
Serving Windsor, CA - Our Local Coverage Area
We’re based in the Windsor 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 Roofers in Windsor
Yes. Windsor requires a building permit for full roof replacements, and the town’s watershed-protection rules mean inspectors check that materials and drainage comply before sign-off. Our quotes include permit coordination, and we schedule inspections as part of the job. Call (361) 320-9467 with your address for specifics.
During the dry season, which is the most reliable window in Windsor, a typical replacement takes one to three weeks from signed contract to completion, depending on material lead time. Tile and standing-seam orders can take longer because they are manufactured to the roof’s measurements. We schedule in writing and stick to it.
Many Windsor HOAs do have design review requirements, especially in the newer subdivisions and any community with a Mediterranean or ranch aesthetic standard. We can provide material samples and a written roof plan for your HOA submission, and we will not start work until that approval is in hand. Call (361) 320-9467 for a free estimate on your project.
What happens when you call
- 1A real person answersNo phone trees - talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Windsor Customers Say
"Replaced a rotted fascia board along with the roof edge. Matches the trim."
- Lou H."They gave me a warranty in writing and stood behind it."
- Irene G."Quality work and clear communication. Rain pushed the start by two days, which is fair, but we were hoping to be done sooner."
- Cathy N.






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