Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roofers in Sebastopol, CA
Roofers in Sebastopol face a unique set of challenges driven by persistent coastal moisture, aging housing stock, and biological growth rates that outpace sunnier parts of Sonoma County. Most homeowners here need either targeted repair for moss-damaged shingles or full replacement of wood shake and early-generation composite roofs that have absorbed decades of fog-cycle saturation. Call (945) 303-9821 and a live person will pick up, day or night, to schedule your free written estimate.
Why Sebastopol Homes Are Different
Sebastopol sits squarely in a fog belt where marine air funnels inland from the Pacific through the Bodega Bay-Valley Ford corridor, giving it measurably higher year-round humidity and far less drying sun than neighboring Santa Rosa just seven miles east. This persistent moisture drives moss, lichen, and algae colonization on roofs at rates local contractors consistently describe as among the worst in Sonoma County, making biological growth management and proper roof ventilation a central issue on virtually every job in town, not an occasional upsell.
The housing stock ranges from late-Victorian and Craftsman bungalows in the historic downtown core to mid-century ranch houses and rural farmhouses on former Gravenstein apple-orchard parcels, many of which still carry aging wood shake roofs or early-generation composition shingles that are acutely vulnerable to sustained dampness. Agricultural outbuildings and converted barn structures, a direct legacy of Sebastopol’s apple-country past, are common throughout the surrounding areas and frequently present corrugated metal roofing with rust and fastener-failure issues.
Roofers working Sebastopol’s older downtown blocks routinely find that north-facing planes on Craftsman bungalows, shaded by mature redwoods or apple trees, have developed continuous moss mats thick enough to lift shingles and trap moisture against the decking for a decade or more. Zinc or copper anti-moss ridge strips have become a de facto standard on re-roofs here in a way they are not routinely specified in sunnier Petaluma or Santa Rosa. The Laguna de Santa Rosa lowlands position means roofs here rarely fully dry out from November through April, and the marine layer pushes moisture into the area on summer mornings as well.
Our Main Sebastopol Services
Sebastopol homeowners call us most often for repair work on moisture-compromised roofs and full replacement of aging systems that can no longer handle the fog-belt climate. Here’s what each job looks like locally.
Roofing Company in Sebastopol
As a Roofing Company in Sebastopol, we handle everything from emergency leak response to scheduled maintenance plans designed around the local wet cycle. Our crews arrive in uniform, background-checked, and equipped to work on the mixed housing stock that defines this market, from steep-pitch Victorians to low-slope ranch additions. We pull all required permits and coordinate inspections so you don’t chase paperwork.

Roof Repair in Sebastopol
Roof Repair in Sebastopol typically involves moss-damaged shingles, failed flashing at dormers or chimneys, and decking rot where moisture has been trapped against the structure for years. We don’t just patch the symptom; we trace the water path, replace compromised underlayment, and install proper ventilation where the original builder cut corners. Every repair carries a written guarantee before we leave the site.

Roof Replacement in Sebastopol
A full Roof Replacement in Sebastopol means selecting materials rated for sustained high humidity and designing ventilation that counters the fog-belt moisture load. We specify anti-moss treatments and copper or zinc ridge strips as standard on most jobs here, not upgrades. Seven manufacturer lines give us genuine flexibility to match product to home style and budget, from Boral concrete tile for Craftsman restorations to GAF Timberline HDZ for ranch-house updates.

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 Sebastopol
We stock parts and materials from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, so most Sebastopol repairs don’t wait on a warehouse run. Our trucks carry common flashing profiles, ridge vent components, and underlayment rated for the local moisture load. See our brands for full specifications and warranty terms by manufacturer.
Pricing for Roofers in Sebastopol, CA
| Service | Typical range in Sebastopol |
|---|---|
| Asphalt shingle repair (minor, 1-3 shingles) | $180 - $340 |
| Asphalt shingle repair (moderate, section) | $450 - $780 |
| Flashing repair (chimney or dormer) | $320 - $650 |
| Decking patch (small, up to 4 sq ft) | $280 - $520 |
| Full decking section replacement | $1,200 - $2,400 |
| Moss treatment and removal | $380 - $720 |
| Ventilation upgrade (ridge + soffit) | $850 - $1,600 |
| Asphalt shingle replacement (per square) | $380 - $550 |
| Wood shake replacement (per square) | $680 - $950 |
| Metal roof repair (fastener + seal) | $420 - $780 |
| Complete asphalt re-roof (typical home) | $12,000 - $22,000 |
| Complete tile or metal re-roof | $22,000 - $38,000 |
Prices in Sebastopol run toward the higher end of regional ranges when moss has lifted shingles and decking rot extends beyond the visible damage, requiring more tear-off and replacement than initially apparent. That’s why we put a written, line-item price in your hands before any work starts, and that price doesn’t change once the crew is on your roof.
Neighborhoods We Serve in Sebastopol
Our crews work across the full Sebastopol area, from the historic downtown grid to the rural parcels that carry the old Gravenstein orchard lines. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, with local crews serving Sebastopol directly.
- Downtown Sebastopol (historic core, Victorian and Craftsman stock)
- Gravenstein Highway South corridor (mid-century ranches, former orchard land)
- Pleasant Hill Road area (rural farmhouses, outbuildings, converted barns)
- Bodega Avenue corridor (mixed residential, heavier tree cover)
- Laguna de Santa Rosa vicinity (low-lying properties, persistent moisture issues)
Most Sebastopol addresses see us within one business day of your call.
Service Area – Cities Near Sebastopol
We serve homeowners throughout central Sonoma County, with regular work in Santa Rosa, CA, Rohnert Park, CA, Cotati, CA, and Windsor, CA. Each of these markets has its own climate profile and housing stock, but none matches Sebastopol’s fog-belt intensity for sustained roof moisture exposure.
Serving Sebastopol, CA - Our Local Coverage Area
We’re based in the Sebastopol 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 Sebastopol
We typically schedule leak inspections within one business day for Sebastopol addresses, and a live person answers every call 24/7 to triage urgency. Call (945) 303-9821 to book your free estimate.
Yes, the City of Sebastopol requires permits for full roof replacement and most structural repairs; we pull all permits and schedule inspections as part of every job. You won’t handle city paperwork or coordinate inspector visits.
Many Sebastopol neighborhoods, particularly in planned developments near the city edge, have HOA guidelines on color and material; we review those requirements during estimation and specify compliant products from our seven manufacturer lines before you commit.
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 Sebastopol Customers Say
"Gutters and a section of shingles after a big wind. Answered the phone right away, came when they said, and the price on the quote is what I paid. Easy to deal with."
- Guillermo Saenz"Small leak around the chimney flashing. They sealed it properly and it's held through a wet winter. Didn't push me toward a whole roof like the last outfit tried to."
- Bernard Oakes"Called about a few missing shingles after a windy night. They came out, fixed it, and didn't try to turn it into a huge project. Charged exactly what was quoted. Refreshing."
- Stephanie R.






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