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Texas Mold Testing & Mold Remediation Licenses Explained
Explore Texas mold remediation licenses requirements. Understand regulations for testing and cleanup to ensure safe, legal, and effective mold management.
Brian Boone
4/2/20264 min read
Mold Licensing and Certifications in Texas: What Homeowners Need to Know Before Hiring
By Mold Consultant Group | TDLR Licensed MAC #1963 | Serving The Woodlands, Spring, Conroe & Montgomery County, TX
Texas has one of the most comprehensive mold licensing frameworks in the United States. That's good news for homeowners — it means there are clear legal standards for who can assess and remediate mold, and a public database where you can verify any professional's credentials before inviting them into your home.
The challenge is that many homeowners in The Woodlands, Spring, Conroe, and throughout Montgomery County don't know what licenses to look for — or that unlicensed mold work is not only legally problematic but potentially dangerous. This post covers what you need to know before hiring any mold professional in Texas.
The Texas Mold Licensing Framework
Texas mold licensing is administered by the Texas Department of Licensing and Regulation (TDLR) under Texas Occupations Code Chapter 1958. The framework establishes several distinct license categories:
Mold Assessment Consultant (MAC): The individual or company license for performing mold assessments — inspections, sampling, report writing, protocol development, and clearance testing. This is the license held by Mold Consultant Group (MAC #1963).
Mold Assessment Technician (MAT): An individual who works under the supervision of a licensed MAC. MATs perform field work — sampling and inspection — but cannot issue reports or sign protocols independently.
Mold Remediation Contractor (MRC): The company license for performing physical mold remediation work. All mold remediation work performed for compensation in Texas requires this license.
Mold Remediation Worker (MRW): An individual who performs hands-on remediation work under the supervision of a licensed MRC.
Mold Training Provider (MTP): Entities licensed to provide the required training for the above license categories.
What Licenses Must Be Verified Before Hiring
Before hiring any mold professional in Texas, verify these credentials:
For mold assessment:
The company must hold a current TDLR Mold Assessment Consultant (MAC) license
The individual performing the assessment should be a licensed MAC or working as a licensed MAT under a MAC
Verify at: tdlr.texas.gov — search by license number or company name
Ask for the MAC license number — it should be on all reports and correspondence
Mold Consultant Group: MAC #1963 — verifiable at tdlr.texas.gov
For mold remediation:
The company must hold a current TDLR Mold Remediation Contractor (MRC) license
Workers on the job should be licensed Mold Remediation Workers (MRW)
The company should be working from a written protocol provided by an independent MAC
Verify at: tdlr.texas.gov before signing any remediation contract
Be wary of any company offering assessment AND remediation — this violates TX law
Industry Certifications — What They Mean and What They Don't
Beyond TDLR licensing, several industry organizations offer certifications in mold assessment and remediation. These are valuable credentials that demonstrate training and professional commitment, but they are not substitutes for Texas state licensure:
IICRC (Institute of Inspection, Cleaning and Restoration Certification): The most widely recognized industry certification body. IICRC offers certifications including the Applied Microbial Remediation Technician (AMRT) and Water Damage Restoration Technician (WRT). Mold Consultant Group holds IICRC Master Cleaner certification #266. IICRC certification indicates professional training and adherence to industry standards — a meaningful credential that complements state licensure.
ACAC (American Council for Accredited Certification): Offers the Council-certified Microbial Consultant (CMC) and Council-certified Indoor Environmentalist (CIE) credentials. These are respected professional designations in the indoor air quality field.
AIHA (American Industrial Hygiene Association): Provides industrial hygiene certifications relevant to indoor air quality and mold assessment in occupational settings.
The important distinction: TDLR licensing is a legal requirement to practice in Texas. Industry certifications demonstrate professional expertise and training beyond the minimum. The best professionals hold both — a Texas state license AND relevant industry certifications.
Red Flags to Watch For
The following should prompt you to verify credentials and ask hard questions before proceeding:
• A company that offers mold assessment and remediation as a combined service — this violates Texas law
• A remediation contractor who provides a scope of work without a written protocol from an independent MAC
• Any mold professional who cannot provide a TDLR license number or whose number doesn't verify at tdlr.texas.gov
• A company that recommends immediate, extensive remediation based on a visual inspection alone — without air sampling and laboratory results
• Pressure to sign a remediation contract before an independent assessment has been completed
• A company that discourages you from getting a second opinion or an independent assessment
How to Verify a License
Verification takes less than two minutes:
1. Go to tdlr.texas.gov
2. Click 'License Holder Search' or navigate to the mold licensing section
3. Enter the company name or license number
4. Confirm the license is active, the category is correct (MAC or MRC), and there are no disciplinary actions on record
Any legitimate mold professional in Texas will welcome this verification process. If a contractor discourages you from checking their license, that's the most significant red flag of all.
Mold Consultant Group — TDLR Licensed MAC #1963, verifiable at tdlr.texas.gov. Call 832-280-4747 for an independent assessment throughout The Woodlands and Montgomery County.
When Licensing Is Not Required
Texas law allows homeowners to perform their own mold remediation if the affected area is less than 25 contiguous square feet. However, larger jobs — or any job involving hidden mold, HVAC systems, or water damage — should always be handled by licensed professionals to ensure compliance and health safety.
Serving Montgomery | The Woodlands | Spring | Conroe | Willis | Tomball | Magnolia | Cypress
Need a Licensed Mold Assessment or Clearance?
Call 832-280-4747 or schedule a consultation at www.moldconsultantgrp.com
Don’t leave your health and property to chance. Make sure your mold professionals are licensed, certified, and up to the job.
This information is provided for educational purposes only. For property-specific recommendations, professional mold testing is recommended.


Have a mold question that isn't covered here? Call 832-280-4747. We're happy to talk through your specific situation — no pressure, no sales pitch. Just honest answers from a licensed professional.
Mold Consultant Group, LLC | PO Box 206, Montgomery, TX 77356 | TDLR Licensed MAC #1963 | IICRC Master Cleaner #266 | Independent — No Remediation Conflict
You Might Also Find Helpful:
→ The Difference Between a Mold Inspector, Assessor & Remediator in Texas
→ Mold Clearance Reports and the Texas CMDR
https://moldconsultantgrp.com/mold-clearance-reports-and-the-texas-cmdr
→ The Importance of Mold Assessment & Testing
Mold Consultant Group
Independent mold testing & inspection in The Woodlands, TX.
TDLR Licensed MAC #1963.
PO Box 206, Montgomery TX 77356
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Friday: 9AM–4PM
Saturday: By Appt
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TDLR MAC #1963 · MRC #0223 · IICRC Master Cleaner #266
