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Best Mold Testing Companies in Dallas, TX

The 10 best-reviewed of the 60 state-licensed mold testing (mold assessment) companies in the Dallas-Fort Worth area, ranked on Google reviews. Every license checked against TDLR on Oct 28, 2026.

How we rankNo ads
Who qualifies
A current TDLR mold assessment company license, based in the Dallas-Fort Worth area, at least one Google review
Score
(reviews × rating + 10 × 4.5) ÷ (reviews + 10)
Why
Pulls a company toward 4.5 until it has enough reviews: 3 reviews at 5.0 shouldn't beat 200 at 4.8
Paid placement
None. Nobody can pay to move up

Google numbers as matched to each license. How we verify

  1. Property Inspection Group LLC

    Rowlett, Dallas County · TDLR #ACO1305 · licensed until Jan 25, 2028

    Current license

    5.0584 Google reviews · score 4.99

    Call (972) 685-1744WebsiteLicense report

  2. Fix Airx LLC

    Lewisville, Denton County · TDLR #ACO1171 · licensed until Jan 30, 2027

    Current license

    5.0221 Google reviews · score 4.98

    Call (469) 224-7774WebsiteLicense report

  3. DNH Property Inspections PLLC

    Royse City, Rockwall County · TDLR #ACO1322 · licensed until Aug 17, 2028

    Current license

    5.0175 Google reviews · score 4.97

    Call (972) 814-1502WebsiteLicense report

  4. Culley Enviro LLC

    Fort Worth, Tarrant County · TDLR #ACO1131 · licensed until Jan 7, 2028

    Current license

    5.044 Google reviews · score 4.91

    Call (817) 939-1643WebsiteLicense report

  5. DCG Environmental LLC

    Lancaster, Ellis County · TDLR #ACO1126 · licensed until Dec 5, 2027

    Current license

    5.041 Google reviews · score 4.90

    Call (972) 489-8927WebsiteLicense report

  6. Greenworks Service Company

    Dallas, Dallas County · TDLR #ACO1162 · licensed until Jun 6, 2028

    Google listing: GreenWorks Inspections & Engineering

    Current license

    4.93669 Google reviews · score 4.90

    Call (855) 349-6757WebsiteLicense report

  7. Enviro 360

    Colleyville, Tarrant County · TDLR #ACO1274 · licensed until Apr 15, 2027

    Google listing: Inspect360

    Current license

    4.91663 Google reviews · score 4.90

    Call (817) 754-0360WebsiteLicense report

  8. Blackland Home Inspections LLC

    Palmer, Ellis County · TDLR #ACO1266 · licensed until Jan 8, 2027

    Current license

    4.9858 Google reviews · score 4.90

    Call (972) 921-8454WebsiteLicense report

  9. OWL Restoration LLC

    Mansfield, Tarrant County · TDLR #ACO1326 · licensed until Sep 7, 2028

    Current license

    5.018 Google reviews · score 4.82

    Call (817) 717-4668WebsiteLicense report

  10. Castaldo Enterprise LLC

    Flower Mound, Denton County · TDLR #ACO1152 · licensed until Feb 25, 2027

    Google listing: Environmental Testing & Assessment

    Current license

    4.936 Google reviews · score 4.81

    Call (972) 440-5678WebsiteLicense report

Reviews say how customers felt, not whether the job met Texas rules. Ask for the sampling plan, the lab used and a written protocol before you sign.

See every licensed company

All 60 licensed mold testing companies in the area, including those without reviews.

All mold testing in Dallas