Mold Testing in Washington (WA)
Find certified mold testing services across Washington. Air sampling and lab analysis typically costs $125–$500 for a standard residential test. Browse by city for local pricing and contractor availability.
72%
Avg. relative humidity
$125–$500
Avg. testing cost
16
Cities covered
Cities in Washington
Seattle
$150–$500 testing • 79% humidity
Spokane
$125–$475 testing • 61% humidity
Tacoma
$150–$500 testing • 78% humidity
Vancouver
$150–$500 testing • 75% humidity
Bellevue
$150–$500 testing • 80% humidity
Kent
$150–$500 testing • 78% humidity
Everett
$150–$500 testing • 81% humidity
Renton
$150–$500 testing • 79% humidity
Spokane Valley
$125–$475 testing • 62% humidity
Federal Way
$150–$500 testing • 78% humidity
Yakima
$125–$475 testing • 56% humidity
Kirkland
$150–$500 testing • 80% humidity
Bellingham
$150–$500 testing • 79% humidity
Auburn
$150–$500 testing • 77% humidity
Kennewick
$125–$475 testing • 55% humidity
Pasco
$125–$475 testing • 55% humidity
Licensing & certification in Washington
Washington State requires mold remediation contractors to hold a contractor registration with the Department of Labor and Industries. Verify at lni.wa.gov.
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