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Find Mold & toxic material testers in Sebastopol

Avatar for Moisture & Restoration Consultants, LLC
Moisture & Restoration Consultants, LLC
4.8(
59
)

Serving Sebastopol, CA and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"Dave was extremely helpful in giving grounded, low cost solutions for my ongoing mold issue. Proving sound and reliable advice in a sea of so much overwhelming information was invaluable. He took the time to look over a previous report that provided misguided information and recommendations and took the time to walk me through the correct steps saving me so much time and headache. Thank you so so much. I highly recommend this company for their mold services and consult."
Mold Remediation Project
Master Bathroom
Master Bathroom
Hall Bathroom
Hall Bathroom

+27

Response time10 hrs
14 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Mold Test Company Central CA
Mold Test Company Central CA
4.0(
89
)

Serving Sebastopol, 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
204 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Sherlock Homes and Mold Inspection
Sherlock Homes and Mold Inspection
4.5(
20
)

Serving Sebastopol, CA and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"As a family with several health issues due to mostly unseen mold, Steve was an invaluable resource in helping us to navigate making some really complicated decisions. He was thorough, honest, upfront and truly concerned with our kidâ s well being. He went above and beyond - couldnâ t recommend highly enough."
Air Quality Pump
Mold Sample
Dr. Watson
ERMI Scale
Response time7 hrs
18 neighbors recently requested a quote
Recommended by94%of homeowners
Insight Environmental
5.0(
16
)

Serving Sebastopol, CA and surrounding areas

Approved

In business since 2002

Free estimates

Credit card accepted

"Many people advised me not to contact a Mold Inspector, because â They always find moldâ . These are people who donâ t go to dentists because they might find cavities. The first time I hired Steve Ramos, he found â No Moldâ on the property I asked him to inspect so I knew I could trust him. This year I suspected I had mold in my rental property and wanted to be sure my pregnant tenant was safe. Steve not only found the source of mold, he told me exactly what type of mold I was dealing with, what the risks were to my tenant and unborn child, and what steps I needed to take to eliminate it. He was always available, and still is, to answer my questions and work with my contractor to insure a safe environment for my tenants and their baby. Nobody wants to have to call a mold inspector, but if you do, I urge you to call Steve Ramos. He is not only excellent on a professional level, he is also honest and caring on a personal, human level and goes way beyond his job description to help his clients."
Response time7 hrs
9 neighbors recently requested a quote
Recommended by18%of homeowners
Avatar for Tocchini Builders Inc.
Tocchini Builders Inc.
3.7(
131
)

Serving Sebastopol, CA and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

"I recently used Kramer’s Home Improvements for a huge job. I called last minute to assess water damage and remove popcorn ceiling in my 3 year old son’s room. I called them in the late afternoon and asked if they could come that very day. Leo the owner went out of his way to make room in their schedule to accommodate me and made the appt for 5:30 that evening. Which is totally unheard of! Immediately Leo recognized the mold in the drywall and stated that this needed attention urgently. His lead guy Kenny and Jon came out to do the job of removing popcorn. They were totally professional and did such an amazing job. Clearly Kenny knew what he was doing and they worked swiftly and even vacuumed the room and took all the popcorn away before they left. I still have drywall work to do and unfortunately i have to go through the HOA to get it done because I’m sure that it could have been done by now though Kramer’s which would have been ideal. I cannot tell you how thrilled I am with this company. They went above and beyond for me because I was in a jam. I will be using them for more projects soon. Thank you Leo and Kenny….and Jon!"
19 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Isaacs Forensic Laboratories
Isaacs Forensic Laboratories
5.0(
6
)

Serving Sebastopol, CA and surrounding areas

In business since 2000

Emergency services offered

Small jobs welcome

"I had a great experience with Isaac Forensic. Rafi and team responded quickly in an urgent situation, cleaned and fixed the mold problem the same day and in a short time. I am extremely happy with the service and the knowledge that Rafi demonstrated through the process. Highly professional and realizable. I would definitely recommend them!"
Response time7 hrs
Response rate97%
Avatar for Fire & Water Damage Recovery
Fire & Water Damage Recovery
4.7(
69
)

Serving Sebastopol, CA and surrounding areas

In business since 1997

Free estimates

Emergency services offered

"Look, you're not calling a company like FWDR because something happy has happened... Our refrigerator flooded our kitchen - exposing a small, long-term leak that had slowly destroyed our cabinets, drywall, and floors without for years our knowledge. We now had ourselves a water damage AND a mold problem and had no idea where to start. We were lost and stressed and didn't know who to call. I did a quick search and found FWDR because of all of their amazing Yelp reviews. One call to FWDR turned a stressful situation into a manageable project with knowledgeable support all along the way. Javier was always able to quickly and patiently answer my questions (and I had a lot of questions), he referred us to several companies to deal with prerequisite issues (asbestos and lead testing and removal), and it felt like he was there to walk us through the whole process. I can't tell you how much I appreciate the patience and consideration Javier, Santos, and Margarita showed every step of the way. They worked with the other vendors and my insurance directly to make sure that no time was wasted between services from different companies, the work was quick and thorough (proof received through testing), and every consideration was given to my family with two toddlers and small home during a pandemic - they did their very best to work around us and our day to day needs. I can't thank them or recommend them enough. Attentive, detailed, courteous, patient, thorough, and going well above and beyond in customer service - you really can't ask for more from a company you never really want to have to call in the first place!"
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+27

Recommended by88%of homeowners
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FAQs for mold & toxic material test projects in Sebastopol, 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 Sebastopol, 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.