Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across Windsor
Windsor homeowners ask us one question more than any other: can you fix this without turning our house into a construction zone? Yes. A roof repair or full replacement from a Roofing Company team should never mean debris in your flower beds, tarps flapping for a week, or a crew that disappears without a word. We serve Windsor with shoe covers at the door, drop cloths through the hallway, and a photo of the completed clean-up before our crew leaves. Call (424) 766-4937 for a free estimate, and you’ll get a written price in dollars before any work starts.
Key Takeaways:
- Most Windsor roof repairs run $450-$1,800; full replacements on Windsor’s 1990s-2000s tract homes typically run $14,000-$28,000 depending on pitch, tear-off layers, and fire-zone requirements.
- Eastern and northeastern Windsor homes in High or Very High Fire Hazard Severity Zones legally require a Class A-rated assembly on any permitted re-roof. We document this for your permit file.
- Every job includes the 365-Day Done Right Promise. If the work isn’t right, we make it right.
- We work with materials from GAF, CertainTeed, and Owens Corning, and stock common parts for Windsor’s tract-home roof profiles.
Why Birchbark Roofing Is Windsor’s Preferred Roofing Company Company
Windsor is different from Healdsburg or Santa Rosa in one specific way: whole neighborhoods here were built in the same 1990s-2000s boom, so the roofs are aging in lockstep. That means our crews know the exact shingle profiles, valley flashing details, and underlayment materials used on homes off Old Redwood Highway, in the Vinecrest area, and around Hembree Lane. When we inspect a Windsor roof, we already know what we’re likely to find under the first layer.
Windsor customers have told us they chose Birchbark because the estimate was specific: square footage measured, existing layers counted, drip edge condition noted, and a final number in writing. No “we’ll see what we find” pricing. The crew arrives in uniform, background-checked, and the project lead walks you through what’s happening before anyone climbs the ladder. That matters in Windsor, where nearly every home has a backyard, a dog, and a family schedule that doesn’t need a roofing surprise.
Erik Lindgren, our owner, put the Cedarwell Care Promise into every job: clean up like it’s our own home, ask before we move or touch anything, respect the family’s quiet hours, and explain the price before the work. Windsor families with kids and pets know exactly what to expect before tear-off starts. A live person answers our phone 24/7, including weekends, so if you have a question at 8 p.m., you talk to a person, not a voicemail tree.
Commercial Roofing in Windsor
Commercial Roofing in Windsor is a different animal from residential work, and we treat it that way. Windsor’s commercial buildings range from older flat-roofed retail off Windsor River Road to newer low-slope metal buildings near the Shiloh Road industrial area. These roofs fail differently than homes: ponding water after those 35-40 inch winters, membrane splits at penetrations, and fastener back-out from repeated thermal movement. Most Windsor commercial roof repairs run $800-$4,500 depending on roof size and membrane type. Full commercial replacements start around $18,000 and go up based on insulation requirements and code triggers.
Flat and Low-Slope Systems
For Windsor’s flat and low-slope commercial roofs, we service and install modified bitumen, TPO, and metal systems. The critical detail in Windsor is positive drainage: flat roofs that pond water through a wet winter develop leaks at seams and flashings. We inspect drainage first, then membrane condition, then the structural deck. Every commercial estimate includes a written price, measured in squares, with the membrane type and warranty term named.
Tenant Improvements and Re-Roofs
When a Windsor commercial property changes tenants, the roof often needs repair or a partial re-cover to meet lease terms. We coordinate around business hours, protect interior spaces with sheeting, and stage debris removal so your parking area stays usable. If the building is in a Fire Hazard Severity Zone, we document the Class A assembly for the permit record before any decking is touched.
Metal Roof Installation in Windsor
Metal Roof Installation in Windsor has moved from a niche upgrade to a mainstream choice, and the Kincade Fire is the reason. Standing seam metal roofs carry a Class A fire rating without the need for special underlayment assemblies, and they shed embers rather than igniting. On a Windsor tract home, a standing seam metal roof typically runs $22,000-$40,000 installed, depending on panel gauge, roof complexity, and whether we’re tearing off existing layers. The cost is higher than asphalt, but the lifespan is double or more, and your HOA submittal goes through faster when fire performance is documented.
Standing Seam vs. Metal Shingle
For Windsor homeowners, standing seam is the strongest choice for Diablo wind events and ember resistance. The concealed fasteners mean fewer penetrations, and the full-length panels handle 70+ mph northeast winds without lifting. Metal shingle systems cost less, around $18,000-$30,000 on a typical Windsor home, and offer a look closer to tile or shake.
What We Install Over
Metal can go over a single layer of existing shingles in many cases, but on Windsor’s aging tract roofs we usually recommend a full tear-off. The reason is the underlayment: 20-30 year old builder-grade felt is often brittle and no longer a reliable substrate. For fire-zone homes, a full tear-off also lets us install a proper Class A assembly from the deck up, which is what the permit record needs to show.
Trusted Brands We Service in Windsor
We work with materials from GAF, CertainTeed, and Owens Corning on most Windsor jobs, and we stock common replacement parts for the specific shingle profiles and tile types used in Windsor’s tract developments. That means when we repair a roof off Hembree Lane, we’re not waiting a week for a matching ridge cap or valley flashing. We also service and install IKO and metal systems from multiple manufacturers. You’ll see your exact material specs, brand names, and warranty terms in writing before work starts.
Common Roofing Company Problems We See in Windsor Homes
- Brittle builder-grade underlayment. Windsor homes from the 1990s and 2000s were built fast, and the original felt underlayment often turns crumbly by year 20. By the time the shingles look worn, what’s underneath is already failing.
- Rusted valley flashing. Windsor’s 35-40 inches of winter rain concentrates in valleys. On tract homes with identical pitches, the valley flashing fails in the same spots across entire streets, which is why we know what to look for before we lift a shingle.
- Missing ember protection in fire zones. Homes on Windsor’s eastern and northeastern edges fall in Sonoma County’s High or Very High Fire Hazard Severity Zones. Older roofs there often lack Class A documentation, ember-blocking at valleys and penetrations, or proper hip-roof details. A permitted re-roof legally requires these.
- Re-cover attempts that hide problems. Some Windsor homeowners get bids for a shingle overlay over old, failing underlayment. That approach fails the first wet winter and can void a still-active builder warranty. We always inspect the deck before recommending an overlay.
Pricing for Roofing Company in Windsor, CA
Let’s talk actual numbers. For Windsor’s dominant 20-30 year old tract homes, a full asphalt shingle replacement with tear-off typically runs $14,000-$22,000. A simple repair, like a few missing shingles or a small flashing leak, runs $450-$900. Valley flashing replacement on a Windsor tract roof runs $600-$1,200 per valley. Standing seam metal starts around $22,000 and goes up from there. Tile repair runs $350-$850 per area. Flat and commercial work is priced by square and membrane. Your exact number comes in writing before any work begins, measured in squares, with no change orders unless you approve a change in scope. Call (424) 766-4937 for a free estimate.
We Also Serve Cities Near Windsor
While this page covers Windsor specifically, our crews also serve Healdsburg, Santa Rosa, Sebastopol, and Calistoga. If your home sits outside Windsor proper but you want the same written-price, clean-up-photo approach, call us and we’ll let you know our next available service window.
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 Roofing Company in Windsor
In most cases on Windsor’s 1990s-2000s tract homes, we recommend a full tear-off. The original builder underlayment is usually brittle by now, and a re-cover leaves failing material in place. If the roof is in a Fire Hazard Severity Zone, a full tear-off also lets us install a proper Class A assembly. We’ll document what we find before any decision. Call (424) 766-4937 and we’ll inspect your roof at no cost.
No, a roof replacement by a licensed contractor does not void the structural or systems warranties on the rest of the home. We’ve seen cases in the Vinecrest area where a still-active builder warranty covered underlayment failure, and we documented the problem before touching the deck so the claim stayed valid. Your exact situation depends on your builder’s warranty terms, and we’ll help you understand what’s covered before work begins.
Most Windsor HOAs are more likely to approve a metal roof when the submittal includes fire rating documentation. Standing seam metal carries a Class A rating and can be color-matched to existing neighborhood roof tones. Darker shingle colors are generally fine in Windsor because the fire-zone rules apply to assembly, not color. We prepare submittal packages with product specs, color samples, and fire ratings for your HOA’s architectural review. Call (424) 766-4937 and we’ll walk you through it.
Windsor’s Diablo winds have hit 70+ mph, but the rating that matters more than wind speed is the shingle’s uplift resistance and the attachment method. We install shingles with a wind rating of 130 mph or higher on Windsor homes, using six nails per shingle rather than the four that many builders used. The real weak point in Diablo events is usually the valley flashing and ridge vent, not the shingle face, so we detail those areas specifically for Windsor conditions.
Compare the squares. Windsor’s tract homes have nearly identical roof footprints, so if one bid measures 24 squares and another says 28, ask why. Then compare these line items: number of underlayment layers being removed, drip edge included or not, starter strip on eaves and rakes, valley flashing material, ice and water shield locations, and warranty term. We give you a written line-item price so you can compare bid against bid without guessing. Call (424) 766-4937 for a free estimate and we’ll explain each line.
Written by Erik Lindgren, Owner at Birchbark Roofing.






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