Best Mold Remediation Companies in Seattle, WA
IICRC S520 mold containment, removal, and post-clearance verification. Includes hidden moisture inspection, oxidative chemistry on porous materials, and Biostatic antimicrobial protocols.
1 firm indexed in Seattle for this practice area.
Seattle spans distinct neighborhoods from Ballard, Capitol Hill, and West Seattle, anchored by Puget Sound. Here, persistent winter rain, atmospheric-river storms, and basement seepage drive most water and mold claims. Every firm ranked below serves Seattle and the surrounding Washington area, and each is scored on the same public-source MetaScore, drawn from BBB, Google, IICRC certification, EPA Lead-Safe status, Yelp, Angi, and HomeAdvisor. That means a water-damage, mold, fire, or storm-restoration company in Seattle earns its rank on verifiable signals, not advertising spend. Whether you are dealing with a burst pipe, a flooded basement, storm-driven roof intrusion, or lingering moisture, the ranking below shows which Seattle restoration companies carry the strongest independently verified track record. Because water and storm damage in Seattle rarely waits for business hours, the firms below are ranked to help you shortlist a trusted, IICRC-informed responder before the next emergency, not during it.
More about Seattle: Wikipedia · Official city site
What are the best mold remediation companies in Seattle, WA?
As of July 2026, Environix ranks #1 among the 1 mold remediation firm indexed in Seattle, WA, with a MetaScore of 95/100. Every firm below is scored on the same public-source signals (BBB, Google, IICRC, EPA Lead-Safe, Yelp, Angi, and HomeAdvisor).