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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

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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

"Andy was efficient, friendly, and followed up with the report. There was no pressure for remediation and I recommend his company"
Mold
Attic Water Damage
Damage Sheetrock
Response time11 hrs
Response rate91%
14 neighbors recently requested a quote
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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

"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
9 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%
12 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
188 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%
31 neighbors recently requested a quote
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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%
8 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."
59 neighbors recently requested a quote
Recommended by89%of homeowners
Request Quote
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Biohazard Remediation questions, answered by experts

Poor maintenance can cause some health concerns, although these are more common in commercial misters than residential versions. For example, stagnant water can become a breeding ground for bacteria, some of which can be dangerous to human health, especially when inhaled. Regular flushing of the system before seasonal use should prevent issues like these.

Otherwise, avoid using mosquito misters with pesticides or plant misters with fertilizers near humans. These misters are not designed for cooling sprays around decks or patios, but for more utilitarian purposes.

No, it isn’t. This is one of those things that needs to be dealt with immediately because mold will spread at a rapid rate and can go from just one spot on the wall to a serious health risk in a matter of days. Prolonged exposure can be extremely dangerous, so any mold issues (or even suspected mold) need to be dealt with right away. 

Virtually any material in your basement can absorb and hold onto musty odors, including building materials like wood framing, insulation, drywall, and flooring, as well as cloth furniture, clothes, area rugs, cardboard boxes in storage, and more. If you’re looking to get rid of the musty smell in your basement, it’s a good idea to remove or replace these items and address the underlying moisture issue for the fastest results.

Finding mold in an HVAC system is never fun, but the good news is you can clean it and send those spores packing. That being said, hiring a helping hand may be necessary to fully remove the mold and prevent regrowth. Professionals use specialized tools and cleaners, such as antimicrobial solutions and HEPA vacuums, to safely remove mold from ducts, coils, and other components. For small amounts of mold, homeowners can clean visible areas using a mix of water and detergent, but they must wear protective gear and avoid spreading spores.

Window sill mold can be harmful, but the severity depends on the type. Common household molds like Cladosporium or Aspergillus can trigger allergies, respiratory issues, or worsen asthma symptoms. However, black mold (Stachybotrys) can produce mycotoxins that can harm your health. Even less toxic molds should be addressed promptly to prevent health risks and property damage.

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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