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Find Mold & toxic material testers in San Luis Obispo

Mold Detective
4.9(
138
)

Serving San Luis Obispo, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Emergency services offered

Credit card accepted

"To be very honest,I did not know what to expect What I wanted was someone to come in,take sample of air in our attic to see if We had mold..Based on that test we would then moved forward and fix the problem. However she did a through job including Air quality water damage and mold."
Response time4 hrs
Response rate85%
21 neighbors recently requested a quote
Avatar for Green Home Solutions
Green Home Solutions
4.9(
47
)

Serving San Luis Obispo, CA and surrounding areas

Approved

In business since 2017

Emergency services offered

Warranties offered

"Emil did an excellent job with testing and removing mold from an apartment I just bought in a historic building. Lab reports with details were very professional. Highly recommend!"
Mold Removal - BR Walls
Mold Removal - BR Walls
Mold Growth
Remediation Results
Cathedral Ceiling (After)

+20

Response time1 day
24 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Mold Test Company Central CA
Mold Test Company Central CA
4.0(
88
)

Serving San Luis Obispo, 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
219 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Mold Test Company NO CA
Mold Test Company NO CA
3.8(
118
)

Serving San Luis Obispo, CA and surrounding areas

Approved

In business since 2018

Emergency services offered

Small jobs welcome

"The actual testing went smoothly and the technician was knowledgeable and helpful. The problem came with the hard sell afterwards trying to get me to buy mold clean up supplies for a room that their own testing proved was no more "moldy" than what was already present in the outside air. The results came in a phone call where the salesman insisted I speak to another company about those supplies, refused to give me contact info instead insisting that a second phone call had to be made. It felt like I was dealing with a used-car salesman. I did get the results and reasonably intelligent person could read them without the salesman or multiple phone calls."
Drywall
Drywall
Drywall
Insulation
Insulation

+71

Response time1 day
310 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for COASTAL RESTORATION SERVICES INC
COASTAL RESTORATION SERVICES INC
5.0(
13
)

Serving San Luis Obispo, CA and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"Tony Mendez, owner of Coastal Restoration Services, Inc. and his crew went above and beyond in removing mold and cleaning our master bathroom. Tony responded promptly for an on-site review of our bathroom situation following my initial phone call. He then provided a detailed written estimate of the cost for mold removal and bathroom cleaning. He and his crew came in on a Saturday and had our entire master bath looking better than new in around 4 hours. I canâ t speak highly enough for the professionalism and work ethic of Tony Mendez and his crew at Coastal Restoration Services,Inc."
Response time1 day
Recommended by92%of homeowners
Avatar for San Luis Obispo and Santa Barbara County
San Luis Obispo and Santa Barbara County
5.0(
5
)

Serving San Luis Obispo, CA and surrounding areas

In business since 2014

Free estimates

Emergency services offered

"Devon with AllDry came to evaluate whether I have moisture/growth issue in just an hour after I called. Devon was thorough and explained everything. Luckily I do not have a moisture problem requiring their services; but if I did, I would definitely hire AllDry to take care of it. And, the evaluation was free!"
Bathroom dry out
Moisture Reading
Mold Safety
Remediation
Response time1 day
Recommended by100%of homeowners
Avatar for At Eazz Restoration LLC
At Eazz Restoration LLC
5.0(
3
)

Serving San Luis Obispo, CA and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"They are a very professional business. They are very knowledgeable and concerned about your needs. They will put you issues at EAZZ!!! Ernie was very helpful with all questions asked. Bianca was extremely knowledgeable in the insurance industry as she was also amazing and professional. I would highly recommend At EAZZ for any water restoration/mold/asbestos."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+7

Recommended by100%of homeowners
Environmental Solutions
New to Angi

Serving San Luis Obispo, 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 16
FAQs for mold & toxic material test projects in San Luis Obispo, 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 San Luis Obispo, 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.