Biohazard & Trauma Cleanup in Washington
37 certified biohazard cleanup firms on file in Washington. Credentials below are verified against IICRC's Certified Firm registry.
Cities with 3+ certified firms
Also served (1–2 firms)
Kent, Woodinville, Seatac, Puyallup, Marysville, Auburn, Clarkston, Ellensburg, Edmonds, Kennewick, Granite Falls, Federal Way, Everett, Moses Lake, Lynden, Oak Harbor, Kirkland, Ridgefield, Snohomish, Spokane Valley, Spokane, Sultan, Sumner, Tukwila, Yakima
What Washington biohazard cleanup firms are certified in
Certification counts across the 37 Washington firms on file for this work. These are the credentials on record with the issuing body — not what the firms advertise.
| Credential | What it covers | Washington firms |
|---|---|---|
| FSRT | Fire and Smoke Damage Restoration Technician | 37 |
| TCST | Trauma and Crime Scene Technician | 37 |
| WRT | Water Damage Restoration Technician | 36 |
| AMRT | Applied Microbial Remediation Technician | 34 |
| ASD | Applied Structural Drying Technician | 34 |
| OCT | Odor Control Technician | 31 |
37 of these firms hold three or more certifications; 24 appear in two independent registries and carry a cross-verified marker; 17 operate under a national franchise brand, which is separately owned and separately credentialled from the brand itself.
Every Washington firm we hold a record for, A–Z by city →
Biohazard Cleanup in Washington: common questions
Is biohazard cleanup work licensed in Washington?
No US state licenses biohazard cleanup work specifically. General contractor registration may apply to any rebuild that follows. The checkable credential is IICRC certification, which is what every listing on this page is verified against.
What certifications do Washington biohazard cleanup firms actually hold?
Across the 37 Washington firms on file for this work, the most common credentials are FSRT (Fire and Smoke Damage Restoration Technician) held by 37 firms, TCST (Trauma and Crime Scene Technician) held by 37 firms, WRT (Water Damage Restoration Technician) held by 36 firms, AMRT (Applied Microbial Remediation Technician) held by 34 firms. 37 hold three or more certifications. Certification describes verified training rather than the services a firm chooses to advertise.
How were these Washington firms verified?
Every certification was checked against IICRC's own Certified Firm registry, not against the firm's marketing. 24 of the 37 appear in two independent registries and carry a cross-verified marker. Checked August 14, 2026.
Which Washington cities have the most biohazard cleanup firms?
Vancouver leads with 4, followed by Tacoma (3). We build a page wherever a city has three or more certified firms; smaller markets are listed below that without their own page.