Fast, Reliable Mold Remediation Across Rohnert Park
Mold remediation in Rohnert Park typically costs $1,800 to $6,500 depending on how far the moisture has traveled through your slab and framing. Most jobs in the 94927 and 94928 zip codes are scoped, written up, and started within 48 hours of your first call. If you’re seeing staining along baseboards or smelling that damp, musty odor in a hallway, call Wade’s Restoration at (855) 915-0646 and we’ll walk you through what you’re actually dealing with.
Rohnert Park is different from Petaluma or Santa Rosa when it comes to mold. The homes were built in phased tracts, most of them slab-on-grade ranches from 1958 through the mid-1970s. That matters because the same builder-era materials fail the same way at the same age. When one house on a block shows slab wicking, we usually end up working on two or three more within the same wet season. We know these neighborhoods. We know what to look for before it gets worse.
Why Wade’s Restoration of California Is Rohnert Park’s Preferred Mold Remediation Company
Wade Ferris founded this company in 2007, and he still answers his own phone. That’s not a marketing line. When you call at midnight with water pushing mold through drywall, the person who picks up is the owner, not a call center reading a script. He’ll tell you what he’d do if it were his house, and he’ll put it in writing before any work starts. No bait pricing, no mystery line items added after the crew gets inside.
Around Rohnert Park, word travels block by block. We’ve worked on Cork & Bailey-era ranches in the A section, repaired crawl spaces near the RP boundary with Cotati, and pulled mold-stained drywall from 1960s homes off Snyder Lane. People here talk to their neighbors. When a homeowner on one side of the street sees our truck and asks about us, the answer usually starts with “Wade showed up himself.” That’s the reputation we’ve built, and it’s the only kind that survives in a town this size.
Our crews are background-checked, uniformed, and trained to IICRC standards. Wade documents every moisture reading daily, and you get the full log at the end of the job. Almost nobody in this trade hands over that kind of paper trail. We also deal with your insurance adjuster directly, so you’re not stuck relaying messages between your carrier and the crew ripping out your baseboards.
Our Mold Remediation Services in Rohnert Park
Mold Inspection & Testing
A visual inspection alone won’t tell you what’s behind the drywall of a 1962 Rohnert Park ranch. We run air sampling, surface swabs, and moisture mapping through the slab and wall cavities. If you’re buying a home in the 94928 area or just suspect something after two wet winters, we’ll tell you exactly what’s present, which species, and whether it’s a health concern or just cosmetic staining. Testing in Rohnert Park runs $350 to $750 for a standard three-sample protocol.

Mold Removal
Removal means physically cutting out the affected material, not spraying bleach and hoping for the best. In Rohnert Park’s slab homes, that usually means baseboards, bottom plates, drywall, and whichever section of fiberglass batt insulation wicked the moisture. We set containment, run negative air with HEPA filtration, and treat the exposed slab with antimicrobials before rebuilding. Typical costs run $2,200 to $5,800 depending on how many rooms are involved.

Black Mold Remediation
Stachybotrys, the one people call black mold, likes the same conditions Rohnert Park’s flat Santa Rosa Plain creates: sustained moisture, organic material, and stagnant air. It’s not more “toxic” than other molds by default, but it does signal a long-term water source that hasn’t been fixed. We treat it the same way we treat any other mold: find the moisture, fix it, remove the contaminated material, and verify clearance with post-remediation air testing. If you’re seeing dark green-black staining along bathroom baseboards near the RP Golf Course area, call before you disturb it.

Air Quality Restoration
After remediation, we don’t just pack up and leave you with a damp shell. We run Dri-Eaz dehumidifiers and HEPA air scrubbers until your indoor air hits target humidity levels, then retest. For Rohnert Park homes that caught Petaluma Gap smoke during Tubbs or LNU, we also offer Rohnert Park Storm & Disaster Restoration to address ductwork soot that combines with winter humidity to create mold-friendly pockets inside wall cavities. Air quality restoration typically adds $900 to $1,800 to a standard mold removal project.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Rohnert Park
We run professional-grade equipment on every job, including Dri-Eaz dehumidifiers and air scrubbers, because the rental units at the hardware store don’t move the same air. Our Mold Remediation team is IICRC-certified and RIA-affiliated, and we’re an IFA-recognized restoration company. That means the work is done to an industry standard your adjuster will recognize, which makes the claims process smoother. We stock the supplies our Rohnert Park jobs need most: HEPA filtration media, antimicrobial treatments rated for slab contact, and closed-cell insulation for post-remediation rebuilds.
Common Mold Remediation Problems We See in Rohnert Park Homes
- Slab wicking from failed builder-era sealant. The original slab perimeter sealant on homes built between 1958 and 1975 is gone by now. Winter rains on the Santa Rosa Plain saturate the ground, and capillary action pulls moisture through the slab edge into baseboards and drywall. We see this constantly in the older sections around Rohnert Park Expressway.
- Petaluma Gap smoke plus winter humidity. During fire events, soot infiltrates unsealed original ductwork and attic insulation. When humidity climbs, that soot traps moisture against framing and feeds mold in wall cavities. Even homes that never saw flames get hit with this.
- Cluster failures on the same block. Because phased tracts share identical under-slab plumbing layouts and the same builder materials, a corroded galvanized branch line under one house often means the neighbors are close behind. We’ve worked three homes on the same Rohnert Park street in a single winter for the same failure.
- Crawl space humidity near the Laguna de Santa Rosa. Homes on the western edge of Rohnert Park, toward the wetland, sit over ground that stays saturated for months. Exposed dirt crawl spaces turn into humidity reservoirs, and the underside of the subfloor grows mold that slowly works its way up through the flooring.
Pricing for Mold Remediation in Rohnert Park, CA
Here’s what we actually charge in Rohnert Park, and what drives the number up or down.
- Mold inspection and basic air testing: $350-$750
- Containment, antimicrobial treatment, and small remediation (single room): $1,800-$3,200
- Full-scale mold removal with drywall replacement and rebuild (multiple rooms): $4,500-$6,500
- Crawl space encapsulation and treatment: $2,800-$7,000 depending on square footage and access
- Duct cleaning and air scrubber treatment after smoke-and-humidity events: $900-$1,800
What changes the price: how far the moisture traveled, whether your insulation is original fiberglass batt, whether testing confirms species that require more aggressive containment, and whether the slab itself needs sealing or crack repair before we rebuild. Wade gives you a written scope before any work starts, and he’ll walk you through where every dollar goes. Estimates are free, and there’s no trip charge inside the county.
We Also Serve Cities Near Rohnert Park
We work throughout Sonoma County, including Cotati, Roseland, Santa Rosa, and Petaluma. If you’re in one of those cities and seeing mold, water damage, or smoke residue, the same Mold Remediation in Rohnert Park team that handles our Rohnert Park jobs will come out to you. Same owner, same equipment, same written-scope approach.
Serving Rohnert Park, CA - Our Local Coverage Area
We’re based in the Rohnert Park 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 - Mold Remediation in Rohnert Park
It creates a three-step problem: first, smoke events load soot into original ductwork and unsealed wall cavities; second, winter humidity from the Gap’s marine air pushes that moisture into the same cavities; third, the original fiberglass batt insulation in 1960s tract homes soaks it up and holds it against framing. If you’ve experienced sewage cleanup in Rohnert Park, these same cavities may already be compromised. That’s the mold recipe we see over and over in older Rohnert Park subdivisions. If your home hasn’t had duct sealing or insulation replacement since it was built, you’re more exposed than you probably realize. Call (855) 915-0646 for an assessment.
Yes, and do it before you open the walls. A 1972 slab home in Rohnert Park is now over 50 years old. The original perimeter slab sealant is long gone, and groundwater has had decades to wick into bottom plates and drywall. If mold is present and you tear into it unprotected, you’ll spread spores through the house. A pre-demolition inspection with moisture mapping and air sampling costs $350 to $750 and tells you exactly what you’re about to release. We can run it within 48 hours of your call.
Because the original developer built your block as a single phase with identical materials, identical slab elevations, and identical under-slab plumbing layouts. When one galvanized branch line corrodes through at age 55 or 60, the neighbors’ lines are the same age and the same material. When one house shows slab-edge wicking, the house next door has the same sealant failure. We call it a cluster claim, and Rohnert Park generates more of them than organically built cities like Petaluma or Cotati.
Rarely through the slab itself, but yes through shared moisture. If your neighbor’s under-slab leak saturates the ground between your homes, the water table rises under your slab too. The slab wicks that moisture upward, and your bottom plates get wet, even though your plumbing is fine. If you’re seeing new baseboard staining or a sudden musty smell and your neighbor just had a slab leak repaired, get a moisture reading before it becomes a visible problem. The reading is free with any inspection.
Homes on the western edge of Rohnert Park, especially those closer to the wetland system, sit over ground that stays saturated for months at a time. Exposed dirt crawl spaces never dry out. We treat these by first removing any mold on the subfloor framing, then installing vapor barrier and dehumidification sized to the actual humidity load, not a generic unit. In some cases we recommend full encapsulation. The goal is to get the crawl space below 50% RH and keep it there. Costs for wetland-adjacent homes typically run $2,800 to $7,000 depending on access and square footage.
If you’re seeing mold, smelling it, or just worried about what two wet winters did to your slab, call (855) 915-0646 today. Wade will answer, talk you through what you’re seeing, and give you a straight answer about whether you need a full remediation or just a moisture correction. Estimates are free, the second opinion on any written quote is free, and there’s no trip charge inside the county. Mold Remediation in Rohnert Park doesn’t have to be a mystery. Call and ask.
Written by Wade Ferris, Owner at Wade’s Restoration of California, serving Rohnert Park and Sonoma County since 2007.