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Find Mold & toxic material testers in Saint-Louis

Avatar for AC Environmental, Inc.
AC Environmental, Inc.
5.0(
14
)
Mold & Toxic Material Test

Serving Saint-Louis, MO and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Given the awful circumstances (house fire), we had a great experience with AC Environmental. They were quick, courteous and professional. As with every service, problems can occur. How a company reacts to a problem says a lot to their commitment to the customer. There was a minor problem in removing our asbestos, I called AC Environmental and Dustin was out at our house resolving it within hours! I was surprised and very pleased."
Additional Photos
Additional Photos
Additional Photos
Response time10 hrs
Response rate99%
3 neighbors recently requested a quote
Avatar for Mold Test Company IL
Mold Test Company IL
3.8(
106
)
Mold & Toxic Material Test

Serving Saint-Louis, MO and surrounding areas

Approved

In business since 2008

Emergency services offered

Small jobs welcome

"I love the quality of service. First call I made to Mold Test told me I was working with the right company. Reid who made all things come together. to the home inspector. Very informative on what they are doing and why. I will refer Mold Test Co. to all my friends ."
Mold Inspection
Mold Inspection
Mold Inspection
Mold Inspection
Mold Inspection

+78

Response time1 day
279 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Mold Test Company MO
Mold Test Company MO
3.8(
83
)
Mold & Toxic Material Test

Serving Saint-Louis, MO and surrounding areas

Approved

In business since 2008

Emergency services offered

Small jobs welcome

"I thought he did a good job explaining what he did do but very disappointed they didn't explain that you had to pay a lot extra money to actually find out what kind of mold if any you had. The $199.00 fee they only looked for mold & tested the air quality. If they found any mold it cost a lot more to find out what type. He did say we had mold in our crawl space but not what kind, that cost more money. Overall good for what he did do."
Mold Testing
Mold Testing
Mold Testing
Mold Testing
Mold Testing

+70

23 neighbors recently requested a quote
Recommended by82%of homeowners
Showing 1-10 of 40
FAQs for mold & toxic material test projects in Saint-Louis, MO

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 Saint-Louis, MO homeowners’ guide to mold & toxic material tests

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