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Best Mold Testing Companies in San Antonio, TX

The 10 best-reviewed of the 18 state-licensed mold testing (mold assessment) companies in the San Antonio 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 San Antonio 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. Priority Inspection Services

    San Antonio, Bexar County · TDLR #ACO1297 · licensed until Oct 26, 2027

    Current license

    5.01125 Google reviews · score 5.00

    Call (979) 571-0220WebsiteLicense report

  2. Dekd Environmental

    San Antonio, Bexar County · TDLR #ACO1191 · licensed until Sep 9, 2027

    Google listing: DEKD Environmental Testing & Consulting South

    Current license

    5.08 Google reviews · score 4.72

    Call (210) 370-7655WebsiteLicense report

  3. Clean Environments, LLC

    San Antonio, Bexar County · TDLR #ACO1276 · licensed until Apr 28, 2027

    Current license

    5.05 Google reviews · score 4.67

    Call (210) 349-7242WebsiteLicense report

  4. Texas State Environmental Consulting, LLC

    San Marcos, Guadalupe County · TDLR #ACO1193 · licensed until Sep 20, 2027

    Current license

    5.03 Google reviews · score 4.62

    Call (512) 952-2757WebsiteLicense report

  5. CJ Environmental Consulting LLC

    San Antonio, Bexar County · TDLR #ACO1121 · licensed until Jun 28, 2027

    Current license

    5.02 Google reviews · score 4.58

    Call (210) 788-7330WebsiteLicense report

  6. Aehs Inc

    San Antonio, Bexar County · TDLR #ACO0121 · licensed until Dec 31, 2026

    Current license

    4.615 Google reviews · score 4.56

    Call (210) 656-9300WebsiteLicense report

  7. Broadbent & Associates

    Boerne, Kendall County · TDLR #ACO1135 · licensed until Jan 28, 2028

    Current license

    5.01 Google review · score 4.55

    Call (702) 712-0985WebsiteLicense report

  8. Gobbell Hays Partners, Inc

    San Antonio, Bexar County · TDLR #ACO0184 · licensed until May 12, 2027

    Google listing: GHP, Inc.

    Current license

    5.01 Google review · score 4.55

    Call (210) 824-5600WebsiteLicense report

  9. TTL Inc.

    San Antonio, Bexar County · TDLR #ACO1228 · licensed until Mar 20, 2027

    Current license

    4.45 Google reviews · score 4.47

    Call (210) 888-6100WebsiteLicense report

  10. Jeff Zunker Specialty Products Inc DBA Astex Environmental Servi

    San Antonio, Bexar County · TDLR #ACO1060 · licensed until Apr 20, 2028

    Google listing: Astex Environmental Services

    Current license

    4.47 Google reviews · score 4.46

    Call (210) 828-2900WebsiteLicense 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 18 licensed mold testing companies in the area, including those without reviews.

All mold testing in San Antonio