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Verified Reviews for Biohazard Remediation pros in Cotati, CA

*The Angi rating for Biohazard 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 Biohazard Remediation needs.

*The HomeAdvisor rating for Biohazard 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 Biohazard Remediation needs.

Last update on May 26, 2026

Find Biohazard remediation specialists in Cotati

Avatar for Moisture & Restoration Consultants, LLC
Moisture & Restoration Consultants, LLC
4.8(
59
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Cotati, CA and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"Dave was super helpful and steered me toward the real solution I needed -- not testing but direct remediation of a leaking window and wall. His experience really helped get the job done and to calm my nerves after I discovered the leak!"
Mold Remediation Project
Master Bathroom
Master Bathroom
Hall Bathroom
Hall Bathroom

+27

Response time4 hrs
8 neighbors recently requested a quote
Recommended by85%of homeowners
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Avatar for Viva Property Restoration
Viva Property Restoration
4.9(
37
)
Mold & Toxic Material TestToxicity and Mold - RemovalMold & Toxic Material Test - For Business

Serving Cotati, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Emergency services offered

Warranties offered

"Great customer service. Was quick to respond and get the job done. Would recommend Viva to anyone with potential mold issues."
Mold
Attic Water Damage
Damage Sheetrock
Response time11 hrs
Response rate91%
11 neighbors recently requested a quote
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Avatar for Redwood Restoration, Inc.
Redwood Restoration, Inc.
4.9(
17
)
Toxicity and Mold - Removal

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
14 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Environmental Science Services
Environmental Science Services
4.5(
42
)
Mold & Toxic Material TestIndoor Air Quality TestingToxic Lead - Testing+1 more

Serving Cotati, CA and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"Great customer service, quick turn around with results!"
interior
IAQ
Clandestine Laboratory Investigation
Wipe Testing for Asbestos
Water Intrusion Mold Testing

+3

Response time8 hrs
8 neighbors recently requested a quote
Recommended by97%of homeowners
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Avatar for Quality Air Environmental Consulting, LLC
Quality Air Environmental Consulting, LLC
4.9(
10
)
Mold & Toxic Material Test - For Business

Serving Cotati, CA and surrounding areas

Approved

In business since 2019

Free estimates

Customers say: Quality work

"Brad immediately called me back and was able to schedule an appointment within a few days. He was very knowledgeable about the potential of lead contamination in our old house. Great customer service and was very clean. I highly recommend!"
Asbestos Testing in skyscraper
Private Residence Floor Survey
Response time1 day
Recommended by100%of homeowners
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Avatar for Sherlock Homes and Mold Inspection
Sherlock Homes and Mold Inspection
4.5(
20
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Cotati, CA and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"Very thorough and detailed great customer service"
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 Mold Test Company Central CA
Mold Test Company Central CA
4.0(
89
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Cotati, CA and surrounding areas

Approved

In business since 2015

Emergency services offered

Small jobs welcome

"This was not the first time using an Air Quality inspection company. They were help full, accessible, timely, accurate, and provided an analysis report that included a representative to review and answer questions. They also provided a referral to a remediation company that approached the issue in an efficient and cost effective manner."
Attic Ceiling
Drywall
Drywall
Insulation
Insulation

+66

Response time10 hrs
184 neighbors recently requested a quote
Recommended by86%of homeowners
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Avatar for North State Pure Maintenance
North State Pure Maintenance
5.0(
6
)
Mold & Toxic Material TestToxicity and Mold - RemovalIndoor Air Quality Testing+1 more

Serving Cotati, CA and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"This is a small family owned business that cares about your family's health. They treated my house and they did an amazing job. My oldest son has asthma and now he can breath. No more headaches. They kept me updated all throughout the process and checked in after they left. Thank you pure maintenance!! They're the best!"
Response time11 hrs
Response rate88%
33 neighbors recently requested a quote
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Avatar for Tocchini Builders Inc.
Tocchini Builders Inc.
3.8(
134
)
Mold & Toxic Material TestToxicity and Mold - Removal

Serving Cotati, CA and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

"They showed up early; kind and respectful of my older home with very old plumbing. Definitely hire them again."
60 neighbors recently requested a quote
Recommended by89%of homeowners
Request Quote
Avatar for Curran Environmental Services, Inc.
Curran Environmental Services, Inc.
5.0(
5
)
Asbestos - Abatement

Serving Cotati, CA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

Our family owned and operated business is a fully licensed and certified asbestos abatement contractor with an excellent record for service and safety. Since 1999 our experts have been involved with the identification and removal of hazardous materials such as asbestos, lead and mold.\n\nAt Curran Environmental Services we handle every aspect of the job from permits through cleanup. All of our workers are professionally trained and certified and utilize the latest techniques, modern equipment and prescribed safety clothing. Environmental quality, safety and compliance with local, state and federal regulations are foremost in our concerns.

Air
Double Bagging of debris for removal
Personal Protection Gear
Protection Gear
Wet Methods used for abatement

+6

Response time6 hrs
Response rate85%
7 neighbors recently requested a quote
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Biohazard Remediation questions, answered by experts

It’s possible to scrub mold off of visible surfaces yourself, but it’s not usually a good idea. Mold is not only a potential health risk, but it’s also difficult to treat in its entirety, especially because it can grow behind walls and in other hidden areas a DIYer might miss. Since mold is a serious and often pervasive issue, you should hire a professional that will remove all of the mold—including any that might be hidden—run industrial air scrubbers to remove airborne particles, and complete mold testing to ensure the underlying problem is solved.

Mold doesn’t require much airflow to make it out from behind walls and into your living space, making you sick. HVAC systems can actually pull the mold from behind walls and spread it through your home. While the mold may be out of sight, moisture transfer from the wall can also spread the mold from behind the wall into your living space and air. Any cracks in the walls or bad insulation only compound this effect. 

Several household cleaning products will permanently kill mold, most notably vinegar and hydrogen peroxide. Bleach can also kill mold, but usually just on the surface. Any mold lingering underneath will survive. 

For moldy areas larger than 10 square feet, you'll want to hire a professional mold remediation company to determine the best way to permanently remove the mold. A local mold inspector can help you determine the extent of a mold problem, and what steps you need to take to eradicate it.

Mold grows quickly. It typically begins to grow on drywall about 24 hours after exposure to moisture or humidity. Drywall is a porous material, which makes it particularly hospitable to mold growth. 

While mold growth begins after just a day or so, it can take a few weeks before the evidence becomes visible. Mold spores will typically appear on the drywall surface within three weeks of growth starting.

Delaying flooded basement cleanup increases the risk of mold growth, structural damage, and exposure to contaminants. Mold and bacteria can cause serious health risks such as respiratory issues, allergic reactions, and worsen existing conditions, making prompt cleanup essential for safety. Addressing water damage quickly helps protect your family’s health and home value.

The Cotati, CA homeowners’ guide to biohazard remediation services

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

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