Post-Remediation Clearance Testing in Belfair, WA

Signs you should get a clearance check

• Wet insulation, subfloor or drywall was removed and the framing is now exposed.
• The mold traced back to a roof leak, plumbing failure or water seeping under the house.
• The crew treated a crawl space or attic that you cannot inspect easily.
• Someone in the home has asthma or a weakened immune system; EPA advises those people to stay away from moldy areas until cleanup is confirmed.
• You want written proof for a buyer, lender or insurer.

Why Belfair homes dry slowly

Belfair is the commercial center of northern Mason County, on the isthmus that links the Kitsap and Olympic peninsulas at the mouth of the Union River on Hood Canal. The town averages about 60 inches of rain a year, and the Union River estuary and the tidal Theler Wetlands sit right next to it. That much rain, plus forested lots and cool temperatures much of the year, keeps crawl spaces and wall cavities damp. After remediation, framing can take a long time to come down to dry readings, and a careful assessor will hold clearance until it does instead of approving a clean but wet cavity.

What clearance costs

Angi's 2026 national data puts a surface or swab test at $200 to $300 and testing with both air and surface samples at $250 to $500. HomeGuide's 2026 national figures list single air samples at $100 to $300. The final number depends on how many areas were remediated, how many samples are taken, access under the house and travel. A retest after a fail adds another visit, so make sure the contract spells out who pays.

What happens when you call

The number on this page connects you with an independent mold inspector who covers north Mason County. Explain what was removed and whether containment is still up, and have any photos and the remediation scope handy. The inspector will suggest which checks fit and set a visit before the rebuild. After a pass, Mason County Community Development handles building permits for unincorporated Mason County. For general mold questions, Mason County Public Health points residents to the Washington Department of Health's indoor air quality line. Check any contractor you hire for repairs on L&I's Verify a Contractor tool.