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Top-Rated Mold & toxic material testers in Austin - Updated Nov 2026

Avatar for Mold Inspection Sciences of Austin
Mold Inspection Sciences of Austin
4.7(
39
)
Mold & Toxic Material Test

Serving Austin, TX and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"Two days later, we received a very detailed report with the test results performed by an independent lab complete with pictures of all areas via an e-mail. Then, over the phone, technician David from Mold Inspection Sciences explained and broke down the results in a manner which was understandable to me which included the levels and types of molds that were found. David also explained possible actions we might take concerning the findings. David invited me to call back anytime for any questions we may have in the future. With these results and a consultation of a construction professional, turns out the installation of the new roof we had installed seven years ago wasn't exactly the best job. It leaks. Aside from that, there are a few areas not caused by the roofing company or associated with the roof where moisture is intruding. There is one door frame and an outside electrical box that can be fixed. Also, there is one area behind a toilet that may have a problem, I hope it's not in the slab. Still looking into that. Some problems found were visible but others weren't. The special moisture meters and the expertise of the technician uncovered some things we wouldn't have found out otherwise. We wouldn't have found this out without the inspection. All said and done, I would urge anyone buying a used or even new property to have these people come out before you sign. I paid just over $1100 for their services and independent lab tests. Seems like a lot, but maybe not. Probably save you a lot in the long run not to mention peace of mind. Glad we called them for their services."
Before and after image showing mold removed
Air-O-Cell
Sampling the air you breathe
Sampling a wall cavity
Additional Photos

+5

Response time2 days
Recommended by91%of homeowners
Avatar for Kleanforce
Kleanforce
4.6(
179
)
Mold & Toxic Material Test

Serving Austin, TX and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"Family owned, professional, and unbeatable pricing!!! My home in LC, NM flooded and I was worried about mold growth & unhealthy air quality so I shopped around for quotes. Klean Force is the best price by HUNDREDS - all other places were $700 - $1000 while Klean Force is $389 for testing & $89 for IAQ. Because they are contracted with the state and federal Gov't they can beat prices by half. They are fully licensed & certified and explain everything you need to know and they work quick to make sure you and your family are safe and breathing good quality air. Gary O'Leary is very knowledgeable, straight-forward, honest, and answers all questions you may have. I highly recommend Klean Force because my experience was nothing short of amazing! Even though their address is in El Paso they have an office in Las Cruces with staff and were at my door in 10 minutes."
Response time10 hrs
33 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Austin Fire and Flood
Austin Fire and Flood
4.0(
3
)
Mold & Toxic Material Test

Serving Austin, TX and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Austin Fire & Flood is committed to providing quick and reliable solutions for fire & water damage. Our highly skilled and trained staff is prepared to handle any situation.\n\nOur services include; water damage repair & clean up, fire damage repair & clean up, smoke damage repair & clean up, odor removal, biohazard clean up, leak detection, and mold removal & clean up.\n\nOnce you speak to one of our representatives, we will be on our way within 30 minutes to give you a 100% free inspection, and start repairs immediately. We also work with your insurance company & help identify coverage.\n\nWe are on call 24/7, never hesitate to reach out to us.

Water Loss
Water Loss
Water Loss
Water Loss
Water Loss

+169

Response time8 hrs
2 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for LoneStar Mold Testing
LoneStar Mold Testing
4.9(
113
)
Mold & Toxic Material Test

Serving Austin, TX and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"Lance was prompt, professional and very knowledgeable as he explained the process of mold testing to me. He patiently and clearly answered my questions, I highly recommend Lone Star Mold Testing."
Response time2 hrs
18 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Hayden Restoration LLC
Hayden Restoration LLC
5.0(
7
)
Mold & Toxic Material Test

Serving Austin, TX and surrounding areas

Free estimates

Emergency services offered

Warranties offered

"Brenton Hayden was punctual, courteous and professional. He addressed my HVAC mold concerns, offered affordable solutions and explained mitigation processes (step taken) … “Best Seen to Date!” After 10 years in our forever custom home, we’ve had all the major San Antonio companies service our HVAC system—Brenton OUTSHINED All of his Competitors! R/Mark Marson, USAF, Command Chief (Ret.)"
Mold Remediation Project
Mold Remediation Project
Mold Remediation Project
Mold Remediation Project
Mold Remediation Project

+5

Response time11 hrs
Response rate100%
Recommended by85%of homeowners
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FAQs for mold & toxic material test projects in Austin, 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 Austin, 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.