Home → Dallas County → Richardson

TDLR-Licensed Mold Professionals in Richardson, TX

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

As of October 4, 2026 (CT): 188 TDLR mold license records with a Dallas County address — 80 MOLD ASSESSMENT CONSULTANT, 49 MOLD REMEDIATION CONTRACTOR, 37 MOLD REMEDIATION COMPANY, 22 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 Richardson and Dallas County, then verify the license on TDLR before you hire. See also Texas mold laws and our methodology.

Mold Risk in Richardson

Homes built during Richardson's 1950s–1970s growth surge — the era that brought the city to a population of 56,000 by 1972 — lack modern vapor barriers and moisture-resistant building assemblies, making wall cavities, attics, and subfloors the most common sites for hidden mold growth. Properties near Duck Creek and Cottonwood Creek carry an additional layer of risk, as both waterways run through residential areas and can deliver direct water intrusion during heavy rain events.

Seasonal Note: Late spring, particularly May, carries the highest mold risk in Richardson, when relative humidity peaks at around 73% and monthly rainfall reaches its annual high — a combination that pushes moisture into aging wall assemblies and HVAC ductwork faster than passive ventilation can counter it.

Richardson's housing boom peaked between the 1950s and the early 1970s, when the city's population swelled to roughly 56,000 by 1972. Homes built during that era typically rely on construction techniques that leave attic spaces, wall cavities, and crawl spaces particularly vulnerable to moisture intrusion. When Richardson's summer humidity pushes into the low-to-mid 70% range, those enclosed spaces become ideal environments for mold colonies to establish long before a homeowner notices any visible growth or odor. Professional mold inspection in Richardson is often the only way to identify these hidden reservoirs before they spread to living areas.

Duck Creek and Cottonwood Creek run through residential sections of Richardson, and properties near these waterways face a compounded risk: seasonal flooding delivers moisture into foundations and lower-level spaces, while the city's baseline humidity prevents normal drying. water damage in Richardson, TX homeowners experience after even a moderate storm event can saturate wall cavities and sub-floor assemblies within hours. Because mold can begin colonizing a wet surface in as little as 24 to 48 hours, a fast response from a certified mold remediation team is not optional — it is the difference between a targeted remediation and a whole-room rebuild.

Older HVAC systems, common in Richardson's pre-1980 homes, are another consistent source of moisture problems. Ductwork running through unconditioned attic spaces sweats during the long, hot summers, dripping condensation onto insulation and framing. This is one of the most frequently overlooked triggers for black mold removal calls in older neighborhoods. Homeowners may address a visible bathroom or kitchen mold problem while a much larger colony grows silently in the attic above their heads. A thorough mold removal Richardson inspection always includes these secondary spaces, not just the visible surface areas.

Because Richardson sits in a humid subtropical climate zone — receiving precipitation year-round with no meaningful dry season — moisture problems do not resolve themselves between rainstorms the way they might in an arid climate. This sustained humidity means that mold remediation in Richardson requires not just physical removal of contaminated materials but also correction of the underlying moisture pathway. Without that step, regrowth is common within a single season. licensed mold remediation work in Richardson are available for post-flood scenarios, but even non-emergency cases benefit from rapid scheduling given how quickly mold spreads under local humidity conditions.

Certified mold remediation following IICRC S520 standards is the appropriate standard of care for Richardson properties. Remediation professionals use containment barriers, HEPA filtration, and negative air pressure to prevent cross-contamination to unaffected rooms — a step that matters especially in older homes where open floor plans, shared attic spaces, and continuous wall cavities allow spores to travel easily. Whether the source is a plumbing leak, a drainage backup near one of Richardson's creek corridors, or years of attic condensation, the remediation process should always end with a post-clearance air test to verify results.

Neighborhoods & Areas Covered for Richardson

Based on confirmed search results, the following Richardson subdivisions and named areas sit near creek corridors or represent the city's core pre-1980 residential stock and are frequently cited in local flood and risk data: - **Canyon Creek** and **Knolls of Canyon Creek** (along Canyon Creek corridor) - **Cottonwood Creek** subdivision (along Cottonwood Creek) - **Duck Creek** corridor neighborhoods - **Prairie Creek Park** area / **Estates of Prairie Creek** - **Richardson Heights** (core pre-1970s residential area) - **Northrich** (established mid-century neighborhood) - **College Park** and **North College Park** - **Greenwood Hills** - **Sherril Park North** - **Breckinridge Park Estates** / **Hills of Breckinridge** - ZIP corridors **75080** and **75081** (central and eastern Richardson, heaviest concentration of pre-1980 housing stock)

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 Dallas County

The following 188 license records are listed in our copy of TDLR data for Dallas 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.

Dallas County license records by TDLR license type — as of October 4, 2026 (CT)
License typeRecords
MOLD ASSESSMENT CONSULTANT80
MOLD REMEDIATION CONTRACTOR49
MOLD REMEDIATION COMPANY37
MOLD ASSESSMENT COMPANY22
License #NameTypeExpires
ACO1324YA ENGINEERING SERVICES, LLCASSESSMENT COMPANY8/17/2028
ACO0211LYNN CLARK ASSOCIATES INC DBAASSESSMENT COMPANY10/28/2028
ACO1197INDOOR ENVIRONMENTAL SAFE SPACE NETWORK, CORPASSESSMENT COMPANY10/6/2027
ACO0161IHST, INCASSESSMENT COMPANY3/10/2028
ACO1305PROPERTY INSPECTION GROUP LLCASSESSMENT COMPANY1/25/2028
ACO1061APEX TITAN INCASSESSMENT COMPANY4/16/2028
ACO1029EHP CONSULTING, LLCASSESSMENT COMPANY6/18/2027
ACO1262LANGAN ENGINEERING AND ENVIRONMENTAL SERVICES, LLCASSESSMENT COMPANY10/6/2026
ACO1220ASBESTOS & MOLD PROFESSIONALS OF TEXAS LLCASSESSMENT COMPANY1/14/2027
ACO1069VANTAGE ENVIRONMENTAL SERVICES LPASSESSMENT COMPANY10/17/2028
1–10 of 188
1 / 19

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 Richardson

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

Verify a TDLR mold license →