Odor Removal in Colorado
88 certified odor removal firms on file in Colorado. Credentials below are verified against IICRC's Certified Firm registry.
Cities with 3+ certified firms
Also served (1–2 firms)
Arvada, Centennial, Grand Junction, Wheat Ridge, Steamboat Springs, Colorado City, Brush, Avon, Glenwood Springs, Durango, Greeley, Greenwood Village, Milliken, Northglenn, Highlands Ranch, Loveland, Peyton, Parker, Superior, Pueblo West, Tabernash, Vail, Westminster, Windsor
What Colorado odor removal firms are certified in
Certification counts across the 88 Colorado 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 | Colorado firms |
|---|---|---|
| OCT | Odor Control Technician | 88 |
| WRT | Water Damage Restoration Technician | 85 |
| FSRT | Fire and Smoke Damage Restoration Technician | 76 |
| AMRT | Applied Microbial Remediation Technician | 73 |
| ASD | Applied Structural Drying Technician | 58 |
| CCT | Carpet Cleaning Technician | 57 |
88 of these firms hold three or more certifications; 2 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 Colorado firm we hold a record for, A–Z by city →
Odor Removal in Colorado: common questions
Is odor removal work licensed in Colorado?
No US state licenses odor removal 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 Colorado odor removal firms actually hold?
Across the 88 Colorado firms on file for this work, the most common credentials are OCT (Odor Control Technician) held by 88 firms, WRT (Water Damage Restoration Technician) held by 85 firms, FSRT (Fire and Smoke Damage Restoration Technician) held by 76 firms, AMRT (Applied Microbial Remediation Technician) held by 73 firms. 88 hold three or more certifications. Certification describes verified training rather than the services a firm chooses to advertise.
How were these Colorado firms verified?
Every certification was checked against IICRC's own Certified Firm registry, not against the firm's marketing. 2 of the 88 appear in two independent registries and carry a cross-verified marker. Checked August 14, 2026.
Which Colorado cities have the most odor removal firms?
Denver leads with 18, followed by Colorado Springs (14), Longmont (4), Fort Collins (4). We build a page wherever a city has three or more certified firms; smaller markets are listed below that without their own page.