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    Verified biohazard remediation services reviews

Find Biohazard remediation specialists in Berkeley

Avatar for Bio 911
Bio 911
5.0(
17
)
Mold & Toxic Material TestMold & Toxic Material Test - For BusinessToxicity and Mold - Removal

Serving Berkeley, CA and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Above and beyond all expectations in quality of work, real customer care AND amazing prices that are literally a quarter of some other providers - I checked several that either exaggerate, up and cross sell garbage add ons that don’t help you. These guys are straight forward and there to help you. If you need any work around mold, toxins remediation then do yourself a favor - stop wasting time shopping around - these are folks you need to call asap! Michael took time to explain things to me, educate me on issues and talk through options. He was genuinely happy to understand my situation, listen and then really work as a strategic thought partner to solve my specific needs including timing flexibility (and much more). We have other work going on, family issues and a baby on the way. Michael took all this into consideration when problem solving for me. Then for the work - so pleasant all the way through and exceptional job - the numbers don’t lie - problem solved at less than a quarter the price of other providers who don’t about the customer and are out to ream you. These guys are there to solve your specific problems, really care and it shows. Everything perfect but then at the end a misunderstanding where I wasn’t clear on something needed. They took a minute to review my issue and then jumped on for several more hours AT NO EXTRA CHARGE telling me that all that matters is I get what I need and my family is safe from mold and toxins and I have peace of mind. I could say so much more amazing things but that would go on forever. So let me just sum up with the point: If you ever have mold remediation, toxin remediation needs than you call these folks - you will win on price, service, quality, and feel like your working with a friend who happens to be an expert in this sort of stuff. Look no further - they are the very best."
Mold contamination due to roof leak
Bird droppings contamination
Bird carcasses and bird droppings
Bird droppings contamination
Mold contamination due to roof leak

+29

Response time8 hrs
Response rate100%
Recommended by64%of homeowners
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 Berkeley, 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
11 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for PuroClean of Walnut Creek Remediation
PuroClean of Walnut Creek Remediation
5.0(
5
)
Toxicity and Mold - Removal

Serving Berkeley, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

PuroClean of Walnut Creek is a family-owned and operated property damage restoration company proudly serving Walnut Creek and Contra Costa County. We specialize in water damage mitigation, mold remediation, sewage cleanup, crawl space sanitation, odor removal, and reconstruction services.\n\nOur team follows IICRC industry standards and uses professional-grade drying and remediation equipment to ensure your property is restored safely and properly. We work with homeowners, property managers, and insurance carriers to provide clear communication and dependable service from start to finish.\n\nAvailable for emergency response.

Mold remediation
Mold remediation
Mold remediation
Mold remediation
Mold remediation

+3

3 neighbors recently requested a quote
Avatar for Quality Air Environmental Consulting, LLC
Quality Air Environmental Consulting, LLC
4.9(
10
)
Mold & Toxic Material Test - For Business

Serving Berkeley, 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
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Hazardous Waste Removal

Serving Berkeley, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"We hired McCormick to remodel our master bathroom, and the process couldn’t have been smoother. Khaled guided us through everything, and his team was skilled and respectful. They handled the job efficiently, stayed within budget, and kept our home tidy. Now, our bathroom feels like a relaxing oasis, with high-quality finishes and a modern touch we love. McCormick’s attention to detail really made the difference, and I’d gladly hire them for future remodels. This experience was everything we hoped for."
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+1

Response time6 hrs
Recommended by15%of homeowners
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 Berkeley, CA and surrounding areas

Approved

In business since 2015

Emergency services offered

Small jobs welcome

"Jeremiah came out and tested the air and moisture and other items to determine if I had mold in my basement. After getting the test results there was evidence of mold and he recommended a company that provides a do it yourself kit for mold remediation. (Not cheap). After getting the items and realizing that there was more work, it would have been better for me to let my insurance company handle this as I do have coverage for mold/fungi. Though having a professional do the work is expensive, from what Jeremiah mentioned, it does not guarantee that the work will be complete or the source of the problem taken care of. He mentioned most companies will take care of the mold but not necessarily the cause of the mold. For this I would have to contact another company."
Attic Ceiling
Drywall
Drywall
Insulation
Insulation

+66

Response time10 hrs
188 neighbors recently requested a quote
Recommended by86%of homeowners
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Showing 1-10 of 196
Biohazard Remediation questions, answered by experts

Dead trees are dangerous for several reasons. They are structurally compromised and prone to branch or trunk failure, which can pose a significant safety risk to people, vehicles, and nearby structures. Dead trees can also harbor pests like termites, which may spread to other trees or your home. If a tree died from a disease, it could spread the illness to healthy trees. Additionally, the dry wood is highly flammable, increasing fire risk.

Signs you may need mold remediation include visible mold growth on walls or ceilings, a persistent musty odor, or health symptoms like allergies and respiratory issues. Areas affected by water damage or excessive humidity are prone to hidden mold. A professional inspection can confirm whether mold remediation is required, especially for large or concealed infestations.

Yes, pros use specialized solutions and pressure settings tailored to surface sensitivity.

While bathroom mold, commonly known as black mold, does not produce harmful mycotoxins, it can still pose health risks. If disturbed, mold spores can become airborne and potentially cause allergic reactions, respiratory problems, skin irritations, and other health issues. This is especially true for individuals with allergies or sensitivities. While bathroom molds are not as dangerous as other mold species, prompt action is crucial to mitigate health risks and prevent further spread. 

Yes, many professional cleaning services include mold and mildew removal using safe, non-toxic solutions.

The Berkeley, CA homeowners’ guide to biohazard remediation services

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