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Find Mold & toxic material testers in Hollister

Avatar for Mold Test Company Central CA
Mold Test Company Central CA
4.5(
73
)

Serving Hollister, CA and surrounding areas

Approved

In business since 2015

Emergency services offered

Small jobs welcome

"The inspector was professional and thorough. The report was timely and the company's representative called me to explain the results of the test. I've emailed him to request clarifications and am awaiting his reply. The only negative thing is that after our telephone conversation he transferred me to a 3rd party company who markets mold removal services. The rep there tried to sell me his product. I didn't buy it yet."
Attic Ceiling
Drywall
Drywall
Insulation
Insulation

+66

Response time10 hrs
266 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Certified-Environmental
Certified-Environmental
4.8(
25
)

Serving Hollister, CA and surrounding areas

Approved

In business since 1990

Free estimates

Offers commercial services

"Richard Gray and his daughter Jayce, also a certified environmentalist, were punctual for our appointment and very thorough with sample testing and air quality testing. They were very patient in explaining their process and answered all my questions without hesitation. I would highly recommend them to anyone seeking air quality testing and mold abatement."
Response time4 hrs
Recommended by96%of homeowners
Avatar for Environmental Mold Sampling LLC
Environmental Mold Sampling LLC
5.0(
4
)

Serving Hollister, CA and surrounding areas

In business since 2000

Free estimates

Warranties offered

We are an indoor environmental testing company with 15 years in the industry, we maintain an A+ rating with the better business bureau at all times, We do not perform mold abatement as it is a conflict of interest to perform both. We are ACAC certified, fully insured and we keep up with industry standards. We recommend only qualified licensed remediation companies to perform abatement. We are also Infra red certified level 1 We can infra red scan your entire home for hidden moisture, heat and air conditioning loss through openings and lack of insulation. We can also detect leaking or disconnected HVAC ducting in walls and ceilings.

Recommended by100%of homeowners
Avatar for Certified-Environmental
Certified-Environmental
4.6(
115
)

Serving Hollister, CA and surrounding areas

In business since 2005

Free estimates

Warranties offered

"Richard is an amazing mold specialist who took care to thoroughly inspect my apartment ahead of my DoD sponsored move. He took care to ensure that my moving company received more than adequate proof and documentation that my belongings were free and clear of mold in an apartment complex that is highly susceptible to it, here in Monterey. I would highly recommend his services to those who require the highest expertise in mold inspection, testing and mitigation. Thank you so much!"
Recommended by87%of homeowners
Avatar for Standish Inspections
Standish Inspections
5.0(
7
)

Serving Hollister, CA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"I had recently had my home inspected and was concerned about mold and what to do about it. I called Mr Standish because I had just used him for my home inspection, and he was again able to do the mold testing right away, and got back the results to me within a few days. It was helpful to have him answer questions about the test results, and the problem was minor, and something that did not require any major work(thank goodness!)Mr Standish is very knowledgeable about his work, and is honest, which I truely appreciate."
Recommended by100%of homeowners
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FAQs for mold & toxic material test projects in Hollister, 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 Hollister, CA homeowners’ guide to mold & toxic material tests

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