Biohazard & Trauma Cleanup in Texas
81 certified biohazard cleanup firms on file in Texas. Credentials below are verified against IICRC's Certified Firm registry.
Cities with 3+ certified firms
Also served (1–2 firms)
Cypress, Dallas, Glen Rose, Katy, Haltom City, San Antonio, Pflugerville, Tomball, Rowlett, Argyle, Amarillo, Conroe, Boerne, Comfort, El Paso, Alvarado, Arlington, Cleburne, Cedar Hill, Alton, Addison, Grapevine, Georgetown, Frisco, Flower Mound, Euless, Farmers Branch, Kennedale, Hutto, Laredo, Lewisville, Lumberton, Lubbock, Magnolia, Kerrville, La Feria, Irving, Plano, Pearland, Manor
What Texas biohazard cleanup firms are certified in
Certification counts across the 81 Texas 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 | Texas firms |
|---|---|---|
| TCST | Trauma and Crime Scene Technician | 81 |
| WRT | Water Damage Restoration Technician | 78 |
| ASD | Applied Structural Drying Technician | 66 |
| FSRT | Fire and Smoke Damage Restoration Technician | 66 |
| OCT | Odor Control Technician | 56 |
| AMRT | Applied Microbial Remediation Technician | 49 |
77 of these firms hold three or more certifications; 37 appear in two independent registries and carry a cross-verified marker; 32 operate under a national franchise brand, which is separately owned and separately credentialled from the brand itself.
Texas mold law: tenant rights, disclosure & insurance →
Every Texas firm we hold a record for, A–Z by city →
Biohazard Cleanup in Texas: common questions
Is biohazard cleanup work licensed in Texas?
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 Texas biohazard cleanup firms actually hold?
Across the 81 Texas firms on file for this work, the most common credentials are TCST (Trauma and Crime Scene Technician) held by 81 firms, WRT (Water Damage Restoration Technician) held by 78 firms, ASD (Applied Structural Drying Technician) held by 66 firms, FSRT (Fire and Smoke Damage Restoration Technician) held by 66 firms. 77 hold three or more certifications. Certification describes verified training rather than the services a firm chooses to advertise.
How were these Texas firms verified?
Every certification was checked against IICRC's own Certified Firm registry, not against the firm's marketing. 37 of the 81 appear in two independent registries and carry a cross-verified marker. Checked August 14, 2026.
Which Texas cities have the most biohazard cleanup firms?
Houston leads with 9, followed by Austin (4), Abilene (3), Fort Worth (3). We build a page wherever a city has three or more certified firms; smaller markets are listed below that without their own page.