Mold Remediation & Assessment in Wisconsin

49 certified mold remediation firms on file in Wisconsin. Credentials below are verified against IICRC's Certified Firm registry.

Wisconsin does not run a mold-specific licensing program. Only five US jurisdictions do (Texas, Florida, New York, Louisiana and the District of Columbia; Illinois has enacted a program that is not yet in force). In Wisconsin, the credentials to check are IICRC certification, general contractor licensing where applicable, and insurance.

Cities with 3+ certified firms

Also served (1–2 firms)

Eau Claire, Mount Pleasant, Madison, Wauwatosa, Waukesha, Ashland, Appleton, Deerfield, Cottage Grove, Burlington, Boyceville, Kenosah, Kenosha, Kaukauna, Green Bay, Lake Geneva, Mcfarland, Medford, Menomonee Falls, Neenah, New Berlin, Kronenwetter, Hudson, Pewaukee, Oshkosh, Platteville, Plover, Rothschild, Saukville, Plymouth, Racine, Two Rivers, St Croix Falls, Watertown, Verona, Wausau, West Allis, West Bend, Weston

What Wisconsin mold remediation firms are certified in

Certification counts across the 49 Wisconsin firms on file for this work. These are the credentials on record with the issuing body — not what the firms advertise.

CredentialWhat it coversWisconsin firms
AMRTApplied Microbial Remediation Technician49
WRTWater Damage Restoration Technician49
FSRTFire and Smoke Damage Restoration Technician41
ASDApplied Structural Drying Technician40
OCTOdor Control Technician35
CCTCarpet Cleaning Technician30

49 of these firms hold three or more certifications; 0 appear in two independent registries and carry a cross-verified marker; 20 operate under a national franchise brand, which is separately owned and separately credentialled from the brand itself.

Every Wisconsin firm we hold a record for, A–Z by city →

Mold Remediation in Wisconsin: common questions

Is mold remediation licensed in Wisconsin?

Wisconsin does not run a mold-specific licensing program. Only five US jurisdictions do (Texas, Florida, New York, Louisiana and the District of Columbia; Illinois has enacted a program that is not yet in force). In Wisconsin, the credentials to check are IICRC certification, general contractor licensing where applicable, and insurance.

What certifications do Wisconsin mold remediation firms actually hold?

Across the 49 Wisconsin firms on file for this work, the most common credentials are AMRT (Applied Microbial Remediation Technician) held by 49 firms, WRT (Water Damage Restoration Technician) held by 49 firms, FSRT (Fire and Smoke Damage Restoration Technician) held by 41 firms, ASD (Applied Structural Drying Technician) held by 40 firms. 49 hold three or more certifications. Certification describes verified training rather than the services a firm chooses to advertise.

How were these Wisconsin firms verified?

Every certification was checked against IICRC's own Certified Firm registry, not against the firm's marketing. 0 of the 49 appear in two independent registries and carry a cross-verified marker. Checked August 14, 2026.