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Texas Mold License Lookup

Search all 9,800+ TDLR mold licenses — remediation companies, assessment consultants, technicians, workers, and labs — by name, license number, city, or county. Updated weekly from official state records.

Search 9,800+ Texas mold licenses

Active licenses only

Data compiled from public Texas Department of Licensing and Regulation records. HearthDry is not affiliated with TDLR or the license holders shown. For legally authoritative verification, use the official TDLR portal .

Texas Mold License Types Explained

Prefix	License Type	Who Needs It
RCO	Mold Remediation Company	The company you contract for mold removal
MRC	Mold Remediation Contractor	The individual supervising the remediation
MRW	Mold Remediation Worker	Crew members physically doing the work
ACO	Mold Assessment Company	The company you hire for inspection & testing
MAC	Mold Assessment Consultant	The individual writing your remediation protocol
MAT	Mold Assessment Technician	Field technicians collecting samples
LAB	Mold Analysis Laboratory	Labs that analyze air and surface samples

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Texas Mold License Lookup — FAQ

How do I look up a TDLR mold license in Texas?

Type the company name, person's name, license number (e.g. MRC0108), city, or county into the search box above. Results show the license type, status (active or expired), expiration date, and location — pulled from official Texas Department of Licensing and Regulation (TDLR) public records, refreshed weekly. For legally authoritative confirmation, always cross-check at tdlr.texas.gov/LicenseSearch.

What do Texas mold license number prefixes mean?

MRC = Mold Remediation Contractor (individual), RCO = Mold Remediation Company, MAC = Mold Assessment Consultant, ACO = Mold Assessment Company, MAT = Mold Assessment Technician, MRW = Mold Remediation Worker, LAB = Mold Analysis Laboratory. For a remediation job you generally hire an RCO company; the crew working in your home should hold MRC/MRW individual licenses.

Is a mold license required for water damage restoration in Texas?

Water extraction and structural drying alone do not require a state mold license. But if the total affected area exceeds 25 contiguous square feet of mold growth, Texas law requires the work to be performed by a TDLR-licensed mold remediation contractor or company. Because mold nearly always follows untreated water damage, most reputable restoration companies in Texas hold mold licenses.

What should I check before hiring a mold contractor in Texas?

Verify four things: (1) an active TDLR license using this lookup, (2) the license type matches the work (remediation vs. assessment — Texas law prohibits the same company from doing both on one project), (3) liability and workers' comp insurance certificates, (4) a written protocol and estimate before work begins. Texas also requires a post-remediation Certificate of Mold Damage Remediation (CMDR) when the job is done.

Why do assessment and remediation have to be separate companies in Texas?

Texas Occupations Code prohibits a mold assessment company from performing remediation on the same project (and vice versa) to prevent conflicts of interest — the company that diagnoses the problem shouldn't profit from inflating the scope of the fix. Hire an assessment consultant (MAC/ACO) to write the protocol, then a separate remediation company (RCO) to execute it.