Odor Removal in Maryland
98 certified odor removal firms on file in Maryland. Credentials below are verified against IICRC's Certified Firm registry.
Cities with 3+ certified firms
Also served (1–2 firms)
Bel Air, Capitol Heights, Cockeysville, Dunkirk, Elkton, Hunt Valley, Glen Burnie, Sykesville, Westminster, Stevensville, Brandywine, Clarksville, Charlestown, Bowie, Annapolis, Edgewood, Edgewater, Columbia, Cumberland, Clinton, Gambrills, Frederick,, Ellicott City, Hebron, Hughesville, Huntingtown, Jessup, Kensington, Grasonville, Hanover, Fort Washington, Lexington Park, Laurel, Kingsville, North Bethesda, Perry Hall, Oakland, Owings Mills, Parkville, Silver Spring
What Maryland odor removal firms are certified in
Certification counts across the 98 Maryland 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 | Maryland firms |
|---|---|---|
| OCT | Odor Control Technician | 98 |
| WRT | Water Damage Restoration Technician | 95 |
| FSRT | Fire and Smoke Damage Restoration Technician | 92 |
| AMRT | Applied Microbial Remediation Technician | 87 |
| ASD | Applied Structural Drying Technician | 78 |
| CCT | Carpet Cleaning Technician | 58 |
96 of these firms hold three or more certifications; 0 appear in two independent registries and carry a cross-verified marker; 37 operate under a national franchise brand, which is separately owned and separately credentialled from the brand itself.
Every Maryland firm we hold a record for, A–Z by city →
Odor Removal in Maryland: common questions
Is odor removal work licensed in Maryland?
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 Maryland odor removal firms actually hold?
Across the 98 Maryland firms on file for this work, the most common credentials are OCT (Odor Control Technician) held by 98 firms, WRT (Water Damage Restoration Technician) held by 95 firms, FSRT (Fire and Smoke Damage Restoration Technician) held by 92 firms, AMRT (Applied Microbial Remediation Technician) held by 87 firms. 96 hold three or more certifications. Certification describes verified training rather than the services a firm chooses to advertise.
How were these Maryland firms verified?
Every certification was checked against IICRC's own Certified Firm registry, not against the firm's marketing. 0 of the 98 appear in two independent registries and carry a cross-verified marker. Checked August 14, 2026.
Which Maryland cities have the most odor removal firms?
Baltimore leads with 9, followed by Gaithersburg (6), Rockville (6), Beltsville (5). We build a page wherever a city has three or more certified firms; smaller markets are listed below that without their own page.