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Verified Reviews for Mold Testing And Remediation pros in Cotati, CA

*The Angi rating for Mold Testing And Remediation companies in Cotati, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Mold Testing And Remediation needs.

*The HomeAdvisor rating for Mold Testing And Remediation companies in Cotati, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Mold Testing And Remediation needs.

Last update on April 30, 2026

Find Mold testing and remediation specialists in Cotati

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

Serving Cotati, 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 time4 hrs
11 neighbors recently requested a quote
Recommended by85%of homeowners
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Avatar for Viva Property Restoration
Viva Property Restoration
4.9(
37
)

Serving Cotati, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Emergency services offered

Warranties offered

"They were the third mold company to work on my problem and the only one to get it right. Showed up quickly, worked hard to remove a shower and floors in upstairs bathroom and destroy mold throughout and also removed ceiling from dining room below and treat that area. Their knowledge was apparent, and I have great confidence in their expertise and work product, especially after a couple of disappointments with other mold "experts" prior to engaging Premier. Very high rating."
Mold
Attic Water Damage
Damage Sheetrock
Response time11 hrs
Response rate91%
18 neighbors recently requested a quote
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Avatar for Sherlock Homes and Mold Inspection
Sherlock Homes and Mold Inspection
4.5(
20
)

Serving Cotati, 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 time6 hrs
Response rate89%
13 neighbors recently requested a quote
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Avatar for Environmental Science Services
Environmental Science Services
4.5(
42
)

Serving Cotati, CA and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"Very satisfied how quickly they came out and got the test results that evening."
interior
IAQ
Clandestine Laboratory Investigation
Wipe Testing for Asbestos
Water Intrusion Mold Testing

+3

Response time8 hrs
7 neighbors recently requested a quote
Recommended by97%of homeowners
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Avatar for Redwood Restoration, Inc.
Redwood Restoration, Inc.
4.9(
17
)

Serving Cotati, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Redwood was great. They were prompt, listened to my concerns and left the project site immaculate. Patrick was great"
Before
During
During
During
After

+11

Response time1 day
5 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for North State Pure Maintenance
North State Pure Maintenance
5.0(
6
)

Serving Cotati, CA and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"They did an amazing Job. They truly cared about helping me and my daughter, Ron from North State, really gave me valuable information, and called several times to check on my satisfaction, what an amazing Service, I am not worried about living in my place because I know , Ron and his team eliminated, my severe mold problem, which was getting my 6 year old daughter sick. I am truly grateful for their help."
Response time11 hrs
Response rate88%
37 neighbors recently requested a quote
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Avatar for Pacific Coast Termite Inc
Pacific Coast Termite Inc
4.6(
206
)

Serving Cotati, CA and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"The service went quite well, I did get prices from other vendors, they were not the cheapest but I was willing to pay for more convenient service and better warranty for the service."
Additional Photos
Additional Photos
Response time5 days
8 neighbors recently requested a quote
Recommended by92%of homeowners
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Mold Testing and Remediation questions, answered by experts

Not necessarily. If the mold is only on the surface or in small areas, you may be able to clean it effectively without removing all the caulk. However, if the mold has deeply penetrated the caulk or the caulk is damaged or deteriorating, you should remove the caulk completely and replace it to ensure thorough mold removal and prevent future growth.

It is not advisable to stay in a house with black mold. Exposure to black mold, or any mold, can lead to health problems, especially for vulnerable individuals such as children, the elderly, or those with weakened immune systems. Black mold produces mycotoxins, which can cause respiratory issues, skin irritation, fatigue, and headaches. If black mold is detected, it is crucial to evacuate the premises, seek professional help for remediation, and only return once the area is thoroughly cleaned and confirmed mold-free by experts.

Mold can grow on garage ceiling insulation, which is why it’s important to install a vapor barrier behind the insulation and keep the space cooled and heated as you would your living area. Doing so will more or less eliminate the risk of mold growing on your garage ceiling insulation. You can also install a self-draining dehumidifier to help remove moisture, or opt for a foam board insulation or spray foam insulation that won’t harbor moisture and mold.

In some cases, black stains on brick are caused by organic substances like algae and mold. However, it's more likely that the black spots you're noticing on your bricks come from carbon from vehicle exhaust or soot. Black stains can usually be removed by scrubbing the brick with a brush and masonry cleaner or power washing.

Efflorescence itself won’t turn into mold, but it can cause moisture problems, which can lead to mold. It’s important to address an efflorescence problem as soon as possible, as mold can pose health risks and even compromise the structure of your home.

The Cotati, CA homeowners’ guide to mold testing and remediation services

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

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