Free visual inspection and a written scope of work before any mitigation begins - photos, moisture readings, and drying logs go in your claim file
The scope we write is the scope we bill. Anything new gets shown to you, in writing, before we touch it.
Fast, Reliable Mold Remediation Across Sebastopol
Sebastopol’s fog-laden mornings and redwood-shaded lots create pockets where moisture lingers longer than it should. We’re the crew that knows where to look: behind the vintage clapboard in the Pleasant Hill area, beneath raised foundations along Gravenstein Highway, inside crawl spaces where the Russian River basin keeps groundwater close to the surface. Our Mold Remediation team dispatches from our San Francisco Bay Area office with equipment loaded for Sebastopol’s specific conditions, and a live person answers every call at (361) 317-7269, day or night. Most Sebastopol homeowners who call us in the morning have a technician on-site that same afternoon.
Why Keegan Water Damage Restoration Is Sebastopol’s Preferred Mold Remediation Company
We’ve worked the full stretch of Sebastopol, from the older farmhouses near Bodega Avenue to the tighter crawl spaces off Petaluma Avenue where 1960s construction meets modern humidity standards. Homeowners here tell us the same thing: they want the price in writing before anyone opens a wall, and they want the crew to show up inside the window promised. That’s The Garrison Standard, and it’s how we run every job.
Shane Pruitt leads our operations with a straightforward approach – no phone trees, no bait-and-switch, no moving the price at the door. Our technicians arrive in uniform, background-checked, with professional-grade Dri-Eaz and Phoenix dehumidifiers, XPOWER air movers, and Injectidry cavity drying systems. Every repair carries the 365-Day Done Right Promise: if it fails within a year, we return and make it right at no charge, with a free second visit included.
We document every job to support your insurance claim, coordinate directly with adjusters when needed, and put the full scope in writing before work starts. That’s not extra service. It’s the baseline for how we operate in Sebastopol.
Black Mold Removal in Sebastopol
Black Mold Removal in Sebastopol demands extra care because our coastal influence keeps relative humidity elevated through October, and the shaded lots off Lynch Road rarely see afternoon sun that would naturally dry foundation perimeters. A typical black mold remediation in Sebastopol runs $2,800 – $6,500 depending on square footage, containment complexity, and whether HVAC systems require cleaning. We treat this as a contained-environment project from the start, not a surface wipe-down.
Containment and Air Scrubbing
We seal the affected zone with polyethylene barriers and run HEPA-filtered negative air machines continuously during removal. This prevents cross-contamination to bedrooms, kitchens, or home offices that share duct runs. Our crews monitor airborne particle counts with real-time meters to verify containment integrity before dismantling barriers.
Post-Remediation Verification
After removal, we run a third-party mold clearance test or provide detailed photographic documentation for your records. Many Sebastopol homeowners near the Laguna de Santa Rosa watershed request this extra verification step because seasonal flooding history makes them cautious about recurrence.
Mold Removal Contractor in Sebastopol
Mold Removal Contractor work in Sebastopol covers the full spectrum from isolated bathroom spot treatment to whole-house remediation after prolonged water intrusion. A typical contained removal in Sebastopol runs $1,200 – $2,800; moderate whole-room remediation runs $2,800 – $5,500; and extensive structural remediation with drywall replacement runs $5,500 – $12,000. We scope every job in person, put the price in writing, and start only after you approve the full plan.
Source Identification and Moisture Mapping
We don’t remove mold without finding what fed it. Our technicians use thermal imaging and penetrating moisture meters to trace leaks to their origin, whether that’s a failed flashing above a Gravenstein Highway cottage or groundwater wicking through a Pleasant Hill area foundation. Fixing the source is written into every scope.
Structural Drying Before Rebuild
Wet framing behind removed drywall gets dried to IICRC-specified moisture content levels using Phoenix desiccant dehumidifiers and targeted Injectidry systems. We verify dryness with calibrated meters before any reconstruction begins. Rebuilding over damp wood guarantees the problem returns.
Trusted Brands We Service in Sebastopol
Our equipment roster draws from the brands that restoration professionals actually specify: Dri-Eaz and Phoenix for dehumidification, XPOWER for air movement, and Injectidry for cavity and hardwood drying. We stock HEPA filters, antimicrobial treatments, and replacement components locally so Sebastopol jobs don’t wait on shipping. When a homeowner on Bodega Avenue calls with active mold behind kitchen cabinets, we can often have the right drying configuration on-site the same day. Every machine runs to IICRC, RIA, and IFA standards, and we log operating conditions throughout the job for your insurance documentation.
Common Mold Remediation Problems We See in Sebastopol Homes
- Crawl space condensation from Russian River basin groundwater. Homes off Petaluma Avenue and Lynch Road sit low enough that vapor barriers degrade and soil moisture rises into floor joists. We install new barriers paired with targeted dehumidification.
- Vintage construction with no vapor barrier behind exterior siding. Pre-1970s homes throughout Pleasant Hill and near downtown Sebastopol allow exterior moisture to migrate directly into wall cavities during prolonged fog events.
- Failed flashing on low-slope additions. The mild winters here mean some homeowners delay roof maintenance, and water finds its way behind T1-11 siding common to Sebastopol’s mid-century builds.
- HVAC condensate drainage into crawl spaces. When summer humidity spikes and air conditioning runs hard, clogged condensate lines dump directly beneath the home, creating ideal conditions for Stachybotrys growth in undisturbed areas.
Pricing for Mold Remediation in Sebastopol, CA
Mold inspection and testing in Sebastopol typically runs $350 – $650 for a standard residential assessment with air and surface sampling. Contained mold removal for a single bathroom or closet runs $1,200 – $2,800. Moderate remediation covering multiple rooms with containment and air scrubbing runs $2,800 – $5,500. Extensive whole-house remediation with structural drying, HVAC cleaning, and reconstruction coordination runs $5,500 – $12,000 or more for large homes near the Laguna de Santa Rosa. Crawl space treatment alone runs $2,000 – $4,500 depending on access and square footage. Air quality restoration with HEPA filtration and carbon media runs $800 – $1,800 as a standalone service or bundled into larger remediation.
What moves the price: square footage of affected area, whether drywall and insulation require removal, HVAC contamination, accessibility of crawl spaces or attics, and whether third-party post-remediation testing is requested. We put every scope in writing before work starts. Estimates are free. Call (361) 317-7269 to schedule.
We Also Serve Cities Near Sebastopol
Our crews run regularly to Sebastopol and the surrounding corridor: Santa Rosa to the east, Rohnert Park and Cotati along Highway 101, and Windsor to the northeast. Wherever you’re located in Sonoma County, the same Garrison Standard applies – written price, background-checked technicians, and the 365-Day Done Right Promise. We also handle Water Damage Restoration in Sebastopol and Fire Damage Restoration in Sebastopol when multiple damage types overlap.
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 Mold Remediation in Sebastopol
Most Sebastopol calls placed before 2 p.m. receive same-day service, and our dispatch coordinates from the San Francisco Bay Area office to reach Pleasant Hill, Petaluma Avenue, and Gravenstein Highway areas within 90 minutes during standard scheduling. Call (361) 317-7269 for today’s availability – estimates are free.
We work throughout Sebastopol including Pleasant Hill, the Gravenstein Highway corridor, and the Lynch Road area near the Laguna de Santa Rosa, plus downtown and the Bodega Avenue stretch. No neighborhood is outside our standard service radius.
Yes. A live person answers every call to (361) 317-7269 24 hours a day, including nights, weekends, and holidays. Active water intrusion with visible mold growth qualifies for emergency dispatch; established dry mold issues are scheduled for next-day assessment.
Sebastopol pricing typically runs 5 – 10% higher than Santa Rosa due to longer drive times for crew dispatch and the prevalence of older, more complex crawl space foundations that require additional containment. Windsor and Rohnert Park pricing falls in a similar range to Santa Rosa. We put your exact price in writing before any work starts.
Every repair is backed by our 365-Day Done Right Promise in writing. If mold returns to the treated area within one year due to workmanship or material failure, we return and make it right at no charge, including a free second visit. This applies to all Sebastopol jobs without exception.
Written by Shane Pruitt, Owner at Keegan Water Damage Restoration, serving Sebastopol and Sonoma County as part of the Garrison Partners family since 2005.






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