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 Windsor
Finding a roofing company in Windsor, CA you can actually trust starts with knowing exactly who shows up at your door and what the job will cost before anyone climbs a ladder. Mercer Roofing gives you both: every technician’s name and photo sent to you ahead of the visit, a photo ID badge presented at the door, and a written price before any work starts. We’ve been roofing Windsor homes long enough to know the soil, the wind, and the paperwork. Call (743) 200-8347 for a free estimate.
Windsor sits in a unique spot, and not just because of the wine. This town sits squarely in Sonoma County’s Wildland-Urban Interface corridor. The 2019 Kincade Fire forced mandatory Windsor evacuations and set off a wave of insurance non-renewals and premium hikes across the county. That changed what a roofing job in Windsor actually means. A roof here isn’t just protection from rain. It’s a document your insurance agent needs to see. We know that, and we know how to deliver it.
Our Roofing Company team works across Windsor, from the tract-home subdivisions east of 101 to the custom estates off Arata Lane and the older farmhouses out toward the Russian River. If you’re searching for a Roofing Company in Windsor, you likely want someone who knows the difference between a subdivision built in 1992 and a ranch house built in 1962. We do.
Why Mercer Roofing Is Windsor’s Preferred Roofing Company
Mercer Roofing has built its Windsor reputation on something most roofers skip: documentation that actually closes the loop with your insurance company. In Windsor specifically, that matters more than a clean job site. Homeowners here routinely need a written material certification proving Class A fire-rated assembly, plus a permit pull card, sent directly to their agent before a policy renews. We do that as standard practice on every Windsor roof we complete.
Our Windsor customers consistently mention three things in their reviews: the technician’s name and photo arrived before the visit, the written price never changed mid-job, and the 365-Day Done Right Promise meant a free second visit when a repair needed a follow-up. That guarantee is written, not verbal, and it’s included with every repair we perform in Windsor.
Response time to Windsor is straightforward. Our crews serve Windsor locally, dispatched and scheduled from the brand’s San Francisco Bay Area office. When you call, a live person answers. If you need us out on Old Redwood Highway or up in the hills off Chalk Hill Road, we route a crew accordingly.
Roofing Contractor in Windsor
A Roofing Contractor in Windsor is the licensed professional who manages your entire roof project from first inspection through final permit sign-off and insurance documentation. When a Windsor homeowner needs a full tear-off, a structural repair, or a new roof system, hiring a contractor means you get one point of contact, a written scope, and a fixed price before a single shingle is removed. In Windsor, expect a full roof replacement on a typical tract home to run between $14,000 and $22,000 depending on square footage, pitch, and decking condition.
Full Roof Replacement
We start every Windsor replacement with a tear-off to the original decking. That’s the only way to find what’s hiding underneath, and in 25 to 40-year-old tract homes, there’s usually something. We replace rotted fascia, lay down a high-temp ice and water shield in valleys and along all penetrations, install new drip edge and starter strip, then set the shingle or tile assembly. Written material certifications for your insurer are prepared at closeout.
Specialty Roof Assemblies
On a custom estate off Arata Lane, we replaced a 30-year-old composition roof with a Boral Class A lightweight concrete tile assembly. The homeowner’s architect specified a copper ridge cap that had to be ordered six weeks out. We coordinated that lead time, stripped to decking, replaced three rotted fascia boards, and completed the tile installation. The material certification we provided cleared the homeowner’s insurance renewal condition the same week the final inspection passed.
Roof Inspection in Windsor
A Roof Inspection in Windsor is a documented, photo-backed evaluation of your roof’s current condition: shingle wear, flashing integrity, valley seams, decking rot, and the ember-resistant detailing Sonoma County fire officials now expect. A homeowner should get one after any Diablo wind event, before listing a home for sale, and at minimum every two to three years on roofs over 20 years old. In Windsor, a standard inspection runs $250 to $450, and it should always include a written report you can show your insurance agent.
Insurance-Driven Inspections
Post-Kincade, Windsor insurers often request a roof inspection before renewal. They want proof of Class A material and an assembly that passes muster with the local fire marshal. Our inspection report includes the specific documentation carriers ask for: material type, installation date, underlayment, and valley metal details. We’ve seen this single report save Windsor homeowners from non-renewal notices.
Pre-Replacement Inspections
Before we quote a Windsor replacement, we inspect the decking, not just the shingles. In older tract homes, hidden rot under the field is common. Finding it before we write your fixed price is the difference between a quote you can bank on and an open-ended supplement after the tear-off starts. We don’t do supplements disguised as “unforeseen conditions” because we look first.
Trusted Brands We Service in Windsor
We install and repair using manufacturer-recognized shingle brands, including GAF, CertainTeed, and Owens Corning. For Windsor customers, we keep common parts and materials locally stocked so lead times stay short. But be honest with yourself: on high-end Windsor work, long-lead items drive the calendar, not labor. Specialty tile, custom ridge caps, and designer-specified flashing can take four to eight weeks from order to delivery. We tell you that upfront, in writing, before you sign anything.
Common Roofing Company Problems We See in Windsor Homes
- Thermal cycling cracks in 25 to 40-year-old composition shingles: Windsor’s wet winters and hot, dry summers expand and contract shingles constantly. By year 25, most tract home roofs are cracking along the field seams faster than individual shingle replacement can fix.
- Diablo wind uplift along ridge caps and sidewall flashings: Fall winds amplify through the Petaluma Gap and hit Windsor hard. We regularly see lifted ridge caps, torn flashing, and wind-driven rain intrusion on north-facing slopes.
- Concealed decking rot discovered after tear-off: Older Windsor homes, especially those built before the mid-1990s, often have decking that looks fine from above but is soft underneath. This is where cheap bids turn into change orders, and why we inspect first and write a fixed price second.
- Insurance non-renewal due to missing Class A documentation: Windsor homeowners get caught here constantly. The roof may be sound, but without a written material certification and permit pull card, the insurer won’t renew. We provide those documents as standard practice.
Pricing for Roofing Company in Windsor, CA
Here’s what Windsor homeowners actually pay. A standard asphalt composition roof replacement on a 2,000-square-foot tract home in the Eastside or Old Town neighborhoods runs $14,000 to $20,000. A larger two-story home off Chalk Hill Road or a custom estate near Shiloh can run $22,000 to $35,000 or more, especially if tile or standing seam metal is specified. Roof repairs are different: a small flashing repair runs $400 to $800, a valley replacement $600 to $1,200, and a full ridge cap replacement $1,500 to $2,500. The biggest cost swing in Windsor comes from decking replacement, because on older homes rot is common once we strip to the structural layer. That’s why our free estimate includes a decking inspection before we write your number. You’ll know the real price before you sign, not after your old roof is in a dump trailer.
We Also Serve Cities Near Windsor
Mercer Roofing serves Windsor and the surrounding Sonoma County communities. If you’re outside Windsor proper, we regularly work in Healdsburg, Santa Rosa, Sebastopol, and Calistoga as well. The same written price guarantee, the same background-checked crews, and the same Class A documentation standard apply.
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
Yes, in most Windsor cases, your insurer will not renew your policy without documented proof of a Class A fire-rated roof assembly. This means more than just fire-rated shingles. Your underlayment, valley metal, and edge detailing all need to meet Sonoma County fire-marshal standards, and you’ll need a written material certification plus a permit pull card sent to your agent. We provide those documents on every Windsor project, every time. Call (743) 200-8347 for an exact quote on your roof, and we’ll tell you where you stand.
For a standard tract home, two to five days of on-site work is common. But the calendar is set by material lead times, not labor. If your project involves specialty tile, a custom ridge cap, or designer-specified flashing, that material can take four to eight weeks to arrive after you sign. We put the delivery window in your written price so you know the real schedule before ordering. Talk to us at (743) 200-8347.
Almost certainly yes. Windsor’s dominant housing stock is 25 to 40-year-old tract homes, and composition shingle roofs from the late 1980s and 1990s are at or past their design lifespan. If your roof has never been replaced and you’re seeing granule loss in the gutters, curling edges, or cracked field shingles, you’re on borrowed time. A $250 to $450 inspection will tell you exactly what’s left. Call (743) 200-8347 to schedule yours.
Bidding on the original shingle as if nothing underneath will need work. In Windsor tract homes, concealed decking rot is common, and a low bid that doesn’t include decking replacement becomes an open-ended supplement after tear-off starts. The fixed price you were quoted evaporates. Our free estimate includes a decking inspection before we write your number, so your written price is the real price. Call (743) 200-8347.
Yes. We coordinate directly with your architect or designer on custom estates throughout Windsor, including specialty assemblies off Arata Lane and Shiloh Road. Copper ridge caps, custom flashing, specific tile profiles: we order the long-lead items early so the schedule is set before we start. We also provide the written material certification your insurer needs at closeout. Call (743) 200-8347 to discuss your project.
Get Your Free Written Estimate in Windsor
You shouldn’t have to wonder who’s knocking on your door or whether the price will hold. With Mercer Roofing, every technician is background-checked, identity-verified, and dispatched under the Threshold Verified standard, with a name and photo sent to you before arrival. Every project starts with a written price. Every repair includes a 365-Day Done Right Promise, in writing. And a live person answers the phone, 24/7. Call (743) 200-8347 to schedule your free Windsor estimate today.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Windsor, CA.