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Find Mold & toxic material testers in Sonoma

Avatar for Moisture & Restoration Consultants, LLC
Moisture & Restoration Consultants, LLC
4.8(
48
)

Serving Sonoma, CA and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"Mr. Osborn was very prompt in inspecting our water intrusion problems and testing for mold. We received the results of the testing within a short time and he made specific recommendations for correcting all of our issues. We appreciate his help very much."
Mold Remediation Project
Master Bathroom
Master Bathroom
Hall Bathroom
Hall Bathroom

+27

Response time10 hrs
13 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Sherlock Homes and Mold Inspection
Sherlock Homes and Mold Inspection
4.7(
19
)

Serving Sonoma, CA and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"Steve is an absolute professional and his knowledge regarding mold both hidden and visible are invaluable. Steve can walk you through the appropriate testing to conduct for your specific needs and/ or concerns and will not try to up sell you. I d recommend him to anyone!"
Air Quality Pump
Mold Sample
Dr. Watson
ERMI Scale
Response time7 hrs
16 neighbors recently requested a quote
Recommended by94%of homeowners
A & J Quality General Construction Services
New to Angi

Serving Sonoma, CA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

A & J Quality General Construction 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.

Response time5 hrs
Response rate86%
1 neighbors recently requested a quote
Avatar for Guaranteed Property & Mold Inspection
Guaranteed Property & Mold Inspection
4.8(
43
)

Serving Sonoma, CA and surrounding areas

In business since 1998

Free estimates

Emergency services offered

"Inspector showed up right on time and began his inspection. He brought air sampling devices, infrared camera, etc. to do a quite comprehensive home and mold inspection. He checked all items of concern regarding the plumbing, electrical, air conditioning unit, etc. I was extremely impressed by the scope of the inspection and knowledge of the inspector. I chose them because the have all the legitimate certifications. They where there for over two hours and the report I received shortly thereafter was very informative and helpful. I would highly recommend them to anyone who needs a home or mold inspection."
Recommended by93%of homeowners
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FAQs for mold & toxic material test projects in Sonoma, 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 Sonoma, 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.