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Find Mold & toxic material testers in Modesto

Avatar for Environmental Science Services
Environmental Science Services
4.5(
42
)

Serving Modesto, CA and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"Shane is very professional. I hired ESS because they offered indoor air quality tests for asbestos in addition to bulk sample tests. I also had an airborne mold test since they traveled to Santa Rosa, and the report was very thorough and tested for 27 types of mold spores including Stachybotrys (toxic black mold). I would recommend ESS to a friend seeking this service."
interior
IAQ
Clandestine Laboratory Investigation
Wipe Testing for Asbestos
Water Intrusion Mold Testing

+3

Response time8 hrs
4 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Pacific Pure Maintenance
Pacific Pure Maintenance
4.9(
36
)

Serving Modesto, CA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Jake and his wife were amazing to work with. Honestly, itâ s hard to find people you can trust when it comes to home repair or maintenance. Not only was Jake honest and knowledgeable, he was human. He never tried to sell me. He knew our problem, fixed the problem and took every care and kindness with my family. On the business end, I received a quote a day after our conversation and they scheduled right away. They worked with my schedule and finished up in an afternoon. The product works. Our home is built in the 50s and has horrible insulation. Some kind of moisture made our floors buckle and caused an invasion of mold. We had it on our walls, in our mattresses, and on every piece of furniture touching the ground. The exterior walls were slowly changing color. It became unbearable. We did our part and threw away everything that was now salvageable, but Jake came in and itâ s like having a new house. He rendered all of the mold inert and changed the entire feel of our home. It smelled toxic upon entry, and now it feels like home again. I highly recommend working with Pacific Pure. Specifically Jake and Family. It is a service and product you can certainly trust, in a field with plenty of untrustworthy players."
Response time10 hrs
Response rate91%
78 neighbors recently requested a quote
The Mold Inspector
4.9(
11
)

Serving Modesto, CA and surrounding areas

In business since 2001

Free estimates

Emergency services offered

We take great pride in our experience, expertise, quality and customer service, that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship, and complete customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate, with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large, or small the job. Call us today!

7 neighbors recently requested a quote
Recommended by100%of homeowners
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FAQs for mold & toxic material test projects in Modesto, CA

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 Modesto, CA homeowners’ guide to mold & toxic material tests

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