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Find Mold & toxic material testers in Houston

Avatar for Aggie Inspector Group, LLC
Aggie Inspector Group, LLC
4.8(
136
)

Serving Houston, TX and surrounding areas

Angi Approved

In business since 1993

Free estimates

Emergency services offered

"Joe is very responsive, prompt and trustworthy. He helped us assess a mold situation and was great with his recommendations, referrals and follow up. I would definitely use him again."
Floor of return air plenum
Mold on surface of duct work
Stachybotrys on wall surface
Response time5 hrs
Recommended by96%of homeowners
Avatar for Elite Mold Testing & Assessment
Elite Mold Testing & Assessment
5.0(
17
)

Serving Houston, TX and surrounding areas

Angi Approved

Free estimates

Emergency services offered

Small jobs welcome

"Rodney's expertise as a mold inspector surpassed all expectations. His thorough inspection and meticulous attention to detail ensured every nook and cranny of our residential property was examined. Rodney's professionalism and friendly demeanor made the entire process stress-free. He not only identified the mold issue but also provided valuable insights on prevention. Thanks to Rodney's prompt action, our home is now mold-free and healthier. I highly recommend Rodney to anyone seeking top-notch mold inspection services."
Damaged insulation
Didn't know we had mold
Didn't know we had mold
Mold hidden within the pantry
Didn't know we had mold

+40

Response time2 days
Recommended by100%of homeowners
Avatar for IAQ Analytical
IAQ Analytical
4.9(
33
)

Serving Houston, TX and surrounding areas

Angi Approved

In business since 2017

Free estimates

Emergency services offered

"Joel was a very honest about what we needed and the route we should go. He went above and beyond. Great customer service! He answered all my questions and did not make me feel as if my questions were dumb. "
Certification Seal from ACAC
Response time1 day
116 neighbors recently requested a quote
Recommended by96%of homeowners
*Mold Test Company Central Hub
New to Angi

Serving Houston, TX and surrounding areas

Angi Approved

In business since 2008

Free estimates

Credit card accepted

When you have mold, making the correct decisions right away is critical. Whether it?s mold in your home, school, place of work or apartment there are many factors to consider.\n\nWill you be seeking property damages?\nIs anyone sick from mold exposure?\nDo you just want to test to be sure your environment is safe?\nDo you need Post Mold Remediation Testing to ensure a good job was done?\nThese and other factors are questions which need to be answered before any environmental testing starts. It?s important to know what your goals are and why your testing.\n\nDifferent goals require different environmental tests, i.e. medical damages & property damages require different environmental tests to prove your case in court. Tests that a common or inexperienced mold inspector would not typically use or know to use.\n\n

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FAQs for mold & toxic material test projects in Houston, TX

Some companies offer a no‑cost phone or video consultation that screens for red flags. If the discussion points to a real issue, the pro will recommend a paid on‑site inspection. The complimentary call clarifies whether you need full testing, but it isn’t a substitute for samples, lab work, or a written report. Always confirm what the free service covers before you schedule.

A standard inspection, which includes basic air and surface samples, takes an average of two hours. If the pro needs to probe hidden spaces, such as wall cavities or ductwork, plan on up to six hours. Extra time allows the inspector to reach tight areas, collect additional samples, and document findings. Lab analysis is a separate process and often adds several business days to the overall timeframe before you receive the full report.

Mold thrives where moisture lingers and air flow is poor. Common hotspots include bathroom walls, kitchen backsplashes, window sills, HVAC vents, fireplaces, crawl spaces, and enclosed attics. Check these areas regularly—especially after leaks or high‑humidity weather—to catch growth early and avoid costly repairs.

Unchecked mold can knock 20% to 37% off a home’s market value because buyers worry about hidden damage and health risks. Even after remediation, visible staining or a history of major moisture issues can still lower offers and prolong the time on the market. Addressing mold quickly protects both your property’s structural integrity and its resale appeal.

The Houston, TX homeowners’ guide to mold & toxic material tests

From average costs to expert advice, get all the answers you need to get your job done.