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TDLR-Licensed Mold Professionals in Houston, TX

Independent license directory · Verify on TDLR before you hire · Not a contractor

As of October 4, 2026 (CT): 482 TDLR mold license records with a Harris County address — 197 MOLD ASSESSMENT CONSULTANT, 147 MOLD REMEDIATION CONTRACTOR, 92 MOLD REMEDIATION COMPANY, 46 MOLD ASSESSMENT COMPANY.

Phone numbers on this page are referral or featured-listing contacts — this site does not perform mold work.

How to Verify a TDLR License →Referral: (512) 522-6796

This page is part of Texas Mold Remediation, an independent Texas mold license directory and education site — not a remediation contractor. Use it to find TDLR-listed mold professionals serving Houston and Harris County, then verify the license on TDLR before you hire. See also Texas mold laws and our methodology.

Mold Risk in Houston

Halls Bayou (ZIP codes 77078 and 77028) and Brays Bayou are the most documented flood-prone waterways in Harris County, with surrounding neighborhoods experiencing some of the highest rates of structural flood damage — and the highest corresponding mold risk — of any urban areas in the country.

Harris County has recorded more National Flood Insurance Program (NFIP) claims than any other county in the United States, and that statistic tells you everything about the scale of mold risk here. When floodwater enters a structure — even a few inches — it soaks into porous materials that never fully dry on their own in Houston's climate. Average relative humidity in Houston frequently exceeds 75%, creating ideal conditions for mold growth, particularly in the weeks and months after a flooding event when moisture lingers inside walls and under flooring long after surfaces appear dry to the touch. If your home or business took on water — whether from a named storm, a bayou overflow, or a backed-up storm drain — licensed mold remediation in Houston is commonly treated as time-sensitive after water intrusion.

The most concentrated flood destruction during Harvey occurred in ZIP codes 77078 and 77028 — the communities of East Houston, Houston Gardens, and Settagast — where roughly 70 percent of homes incurred damage. Both areas contain stretches of Halls Bayou, which flows into Greens Bayou on the eastern edge of that corridor. Properties near any of Harris County's bayou systems face the highest post-flood mold exposure, because bayou overflow introduces not just moisture but sediment-laden water that embeds deeply into subfloor assemblies and insulation. licensed mold remediators in Houston must address not only surface growth but contaminated materials underneath.

When water damage in Houston, TX — events occur — whether from Harvey-scale disasters or the more routine "500-year floods" Harris County has experienced repeatedly since 2014 — black mold (Stachybotrys chartarum) can begin colonizing damp materials within a few days in conditions like Houston's. Black mold removal requires containment, negative air pressure, HEPA filtration, and controlled demolition of affected materials. A surface wipe-down is not remediation. Licensed mold remediation typically follows established IICRC S520 protocols to ensure that spore counts return to normal indoor levels and that underlying moisture sources are corrected before any restoration work begins.

Beyond major flood events, Houston's persistent humidity drives a quieter but equally damaging form of mold growth: HVAC condensation mold. Air handlers running near-constantly in a climate where outdoor air regularly carries dew points above 70°F produce condensation on coils, in drain pans, and throughout ductwork. FEMA and Harris County are currently redrafting floodplain maps using updated NOAA rainfall data, which increases the 100-year, 24-hour rainfall estimate by roughly 30 to 35 percent for Harris County — meaning properties previously considered lower-risk are being reclassified, and future flood events will likely push water further into previously unaffected neighborhoods. A proactive mold inspection Houston residents schedule now can catch early growth before it becomes a full remediation job.

For properties that flooded and were not fully dried and inspected within the first week, licensed mold remediators serving Houston often uncover growth behind baseboards, in crawl spaces, inside HVAC systems, and beneath tile adhesive. Flood reduction projects are currently underway on White Oak, Brays, and Hunting Bayous, but infrastructure improvements take years — in the meantime, structures along these corridors remain at elevated risk for recurring water intrusion and the mold that follows. Acting quickly after any water event, and scheduling a certified mold inspection before buying or selling property near any Harris County bayou, is the single most important step a property owner can take.

How to Use This Directory

Start with how to verify a TDLR mold license, skim Texas mold laws, or browse the full statewide directory.

TDLR-Licensed Mold Professionals in Harris County

The following 482 license records are listed in our copy of TDLR data for Harris County as of October 4, 2026 (CT) (CURRENT status, Texas address in this county; one business can hold more than one license). Confirm status on TDLR License Search before you hire.

Harris County license records by TDLR license type — as of October 4, 2026 (CT)
License typeRecords
MOLD ASSESSMENT CONSULTANT197
MOLD REMEDIATION CONTRACTOR147
MOLD REMEDIATION COMPANY92
MOLD ASSESSMENT COMPANY46
License #NameTypeExpires
ACO1237REDFISH INSPECTIONS, LLCASSESSMENT COMPANY12/4/2027
ACO1277UES PROFESSIONAL SOLUTIONS 64, LLCASSESSMENT COMPANY5/4/2027
ACO1080MECX INCASSESSMENT COMPANY3/8/2028
ACO1100TURNSTONE EH&S INCASSESSMENT COMPANY10/2/2028
ACO0164SITEX INC.ASSESSMENT COMPANY3/10/2028
ACO1143TITANS COMMERCIAL LLCASSESSMENT COMPANY10/22/2026
ACO0134ATC GROUP SERVICES LLCASSESSMENT COMPANY1/13/2028
ACO1272TEXAS MOLD SPECIALISTSASSESSMENT COMPANY3/25/2027
ACO1116MOLD BAD MOLD LLCASSESSMENT COMPANY3/9/2027
ACO1130AGILE ENVIRONMENTAL LLCASSESSMENT COMPANY6/17/2028
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Refreshed weekly from TDLR public mold license CSVs (scheduled late Saturday night, Central Time). Last successful import: October 4, 2026 (CT). See our methodology or download the open dataset.

License status verified weekly. Sources: TDLR mold program · TDLR License Search · Texas Occupations Code Ch. 1958 · EPA mold guide · CDC mold & health

What Licensed Mold Professionals Typically Handle in Houston

The services below describe work TDLR-licensed assessors and remediators commonly perform in Texas. This site does not offer these services — use the directory listings and verify licenses on TDLR before hiring.

Black Mold Removal

Black mold (Stachybotrys chartarum) usually needs professional containment and should not be disturbed without proper equipment. TDLR-licensed remediators typically use negative air pressure, HEPA filtration, and full PPE when removing it.

Water-Related Mold Response

EPA advises drying wet materials within 24–48 hours because mold can begin growing that quickly on damp surfaces. TDLR-licensed remediators typically prioritize containment and moisture control after leaks, floods, or storms — this directory does not provide emergency response.

Water Damage & Mold Remediation

Water damage left unaddressed often leads to mold behind walls and under flooring. Licensed contractors may handle water extraction and mold remediation in one coordinated scope of work.

Mold Inspection & Testing

A licensed Mold Assessment Consultant can identify visible and hidden growth, moisture sources, and air-quality issues, and deliver a written assessment that meets Texas requirements.

Attic Mold Remediation

Texas attics are common mold sites because of heat, poor ventilation, and roof leaks. Licensed remediators typically find the moisture source, remove contaminated material, and correct ventilation to reduce recurrence.

Crawl Space Mold Remediation

Crawl spaces under Texas homes often collect ground moisture and standing water after heavy rains. Licensed work may include remediation, vapor barriers, and longer-term moisture control.

HVAC & Air Duct Mold Removal

Year-round air conditioning makes HVAC units and ductwork frequent mold sites. Licensed professionals may clean and treat air handlers, evaporator coils, and ductwork so mold is less likely to circulate.

Bathroom Mold Removal

Bathrooms are among the most common household mold sites due to chronic moisture and weak ventilation. Licensed remediators often address grout, drywall, subfloor, and ceilings — and the underlying moisture problem.

Basement Mold Removal

Where Texas homes have basements, groundwater and humidity raise mold risk. Licensed contractors typically use containment, removal, and post-remediation testing consistent with industry protocols such as IICRC S520.

Commercial Mold Remediation

Commercial jobs need careful documentation and limited business disruption. Licensed contractors handle offices, retail, warehouses, and multi-unit residential properties under written protocols.

Real Estate Mold Inspection

Mold findings during Texas transactions can delay or kill deals. TDLR-licensed Mold Assessment Consultants can produce inspection reports suitable for buyers, sellers, and lenders — with turnaround negotiated case by case.

Post-Remediation Clearance Testing

After remediation, clearance testing checks whether mold levels are acceptable. Texas law requires this testing to be done by a licensed Mold Assessment Consultant who is independent from the remediating contractor.

Rental Property Mold Work

Landlords and property managers often need licensed assessment and remediation plus documentation for habitability and insurance. Always verify the TDLR license and keep paperwork for future sales or claims.

Mold Prevention & Treatment

Preventive work may include moisture control, ventilation fixes, and — where appropriate — antimicrobial treatments on high-risk surfaces. A licensed assessor or remediator can advise what fits the building’s conditions.

Need a referral to a listed professional? Call the number below — then verify their TDLR license before you hire.

Referral: (512) 522-6796

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