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Find Mold & toxic material testers in Hollister

Avatar for Certified-Environmental
Certified-Environmental
4.6(
28
)

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 Certified-Environmental
Certified-Environmental
4.6(
167
)

Serving Hollister, CA and surrounding areas

In business since 2005

Free estimates

Credit card accepted

"Certified-Environmental was highly recommended by a company I've used and trusted in the past (Pacific Reconstruction, INC) when I used them to remediate some water related damage. The post 'clean-up' required hiring a company that was highly knowledgeable and experienced in quality air testing in order to make sure the remediation efforts had effectively addressed all issues. Pacific Reconstruction provided the contact info for Certified-Environmental and let's say it was the BEST CALL I could have made!! Mr Richard Gray provided me with a detailed description of what needed to take place and the reasons for the extensive testing. He was highly informative, but also made it a point to patiently translate the detailed complicated terminology for my layman's understanding. I am so grateful to have found Certified - Environmental Inc as they are EXTREMELY well versed and knowledgeable in what is a highly technical and scientific arena. Richard Gray and his partner/daughter Jayce, are an EXCEPTIONAL TEAM ... I've used their services a few times now and HIGHLY RECOMMEND their company."
Rich Gray
Allergies
Heating System
Bed Bug
Dust Mite

+5

Recommended by87%of homeowners
Avatar for Standish Inspections
Standish Inspections
4.8(
9
)

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."
Shingles
Gutters
Roofing
Recommended by100%of homeowners
Avatar for Mold & Abatement Services
Mold & Abatement Services
5.0(
1
)

Serving Hollister, CA and surrounding areas

In business since 2015

Free estimates

Emergency services offered

Mold & Abatement Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.\n\n10+ Years Experience

Response time3 hrs
Recommended by100%of homeowners
Standish Inspections
4.2(
23
)

Serving Hollister, CA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"The inspection and 'inspection report' were good but incomplete. We still do not have any idea whether we have mold and/or mildew or not. The 'inspection report' points out a number of items that could lead to mold, but there is no indication if there is any sign of mold on the structure. We are still experiencing odors that could be mold, but we can't order mold eradication, since there is no place to point for the eradication. We really need a definitive answer about the presence of mold in order to procede. Even if we ordered all of the other inspections recommended by the report, there would still not be an answer to our original question regarding the presence or absense of mold in the house."
Top Strap Too High.
Main Connections
No Strapping
Connection at the Breaker
Only One Strap

+5

Recommended by85%of homeowners
Environmental Solutions
New to Angi

Serving Hollister, CA and surrounding areas

In business since 2012

Free estimates

Emergency services offered

We are your professional insurance property management and restoration specialists. We have over seven years of experience in the industry, and customer satisfaction is our main concern. We can assess your property for existing and potential future mold problems. We are here to assess and alert you to potential and/or existing issues of concern, preferably before they negatively impact your health.

Showing 1-10 of 17
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

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