Biohazard & Trauma Cleanup in Connecticut
19 certified biohazard cleanup firms on file in Connecticut. Credentials below are verified against IICRC's Certified Firm registry.
Cities with 3+ certified firms
Also served (1–2 firms)
Newington, Danbury, East Berlin, East Haven, Hartford, Hamden, Meriden, Middlefield, Middletown, Manchester, New Britain, Newtown, North Haven, Norwich, Prospect, South Windsor, Stamford, Wolcott
What Connecticut biohazard cleanup firms are certified in
Certification counts across the 19 Connecticut 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 | Connecticut firms |
|---|---|---|
| TCST | Trauma and Crime Scene Technician | 19 |
| WRT | Water Damage Restoration Technician | 18 |
| FSRT | Fire and Smoke Damage Restoration Technician | 17 |
| AMRT | Applied Microbial Remediation Technician | 14 |
| ASD | Applied Structural Drying Technician | 14 |
| OCT | Odor Control Technician | 13 |
18 of these firms hold three or more certifications; 6 appear in two independent registries and carry a cross-verified marker; 8 operate under a national franchise brand, which is separately owned and separately credentialled from the brand itself.
Every Connecticut firm we hold a record for, A–Z by city →
Biohazard Cleanup in Connecticut: common questions
Is biohazard cleanup work licensed in Connecticut?
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 Connecticut biohazard cleanup firms actually hold?
Across the 19 Connecticut firms on file for this work, the most common credentials are TCST (Trauma and Crime Scene Technician) held by 19 firms, WRT (Water Damage Restoration Technician) held by 18 firms, FSRT (Fire and Smoke Damage Restoration Technician) held by 17 firms, AMRT (Applied Microbial Remediation Technician) held by 14 firms. 18 hold three or more certifications. Certification describes verified training rather than the services a firm chooses to advertise.
How were these Connecticut firms verified?
Every certification was checked against IICRC's own Certified Firm registry, not against the firm's marketing. 6 of the 19 appear in two independent registries and carry a cross-verified marker. Checked August 14, 2026.