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

Serving Millbrae, CA and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"We spent some time live with molds and we don’t know it was mold. We are trying 2 times to clean it out with some cleaning companies, but it was useless. Finally we got lucky with Bio 911- very professional, sharp, deeply attentive for details, even for our lifestyle depending on appearance of mold and compared with other not expensive. Thank you very much for Bio 911 and personally Kirill for outstanding work."
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 WaveGuard Water Damage Restoration LLC
WaveGuard Water Damage Restoration LLC
5.0(
9
)
Mold & Toxic Material TestToxicity and Mold - Removal

Serving Millbrae, CA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"WaveGuard was a total life saver! We woke up to a flooded kitchen from a busted pipe and were panicking. Yevhenii got back to us instantly, showed up super fast, and had all his drying equipment running in no time. He completely saved our floors and made a stressful situation so much easier"
Water Damage
San Jose, CA 95125
Water Damage
San Jose, CA 95125
Water damage

+51

1 neighbors recently requested a quote
Avatar for Golden Team Builders
Golden Team Builders
5.0(
30
)
Mold & Toxic Material TestToxicity and Mold - Removal

Serving Millbrae, CA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

Golden Team Builders is dedicated to providing our customers with the best quality and\ncraftsmanship. We are here to build relationships with our customers and communities and to provide\nour employees with a great place to work. We look forward to working with you!

1 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 Millbrae, CA and surrounding areas

Approved

In business since 2019

Free estimates

Customers say: Quality work

"After the review I received a message from Brad and he was extremely professional and thoroughly explained why I required more samples due to the different textures and materials on my wall. I really appreciated that!"
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 Millbrae, 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 Millbrae, 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
189 neighbors recently requested a quote
Recommended by86%of homeowners
Home Pro Remodeling & Construction, Inc.
4.1(
31
)
Hazardous Waste Removal

Serving Millbrae, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"I had my garden and bathroom remodel done. Albert and Samuel were professional, friendly, and a delight to work with. They're responsive and reliable. I also like the subcontractors whom they used on my project. They kept me informed of everything and I appreciate their excellent work."
Response time5 days
Recommended by77%of homeowners
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Showing 1-10 of 161
Biohazard Remediation questions, answered by experts

To neutralize mildew smell, you can use natural deodorizers like baking soda or activated charcoal. Baking soda absorbs odors; sprinkle it liberally on the affected area, let it sit for a few hours, then vacuum it up. Activated charcoal, available in pouches, works similarly. Vinegar, with its natural acidic properties, can also neutralize odors. Mix equal parts water and vinegar, spray the affected area lightly, then blot it with a dry cloth. Enzymatic cleaners are effective too, breaking down odor-causing compounds.

Mildew and mold are not different—mildew is a specific type of mold and yes, it can become dangerous if left untreated. It would be amazing if we were all biochemists but because we most likely aren’t, it isn’t wise to assume any mold is mildew on sight alone. Harmless mold and toxigenic mold (which can be deadly) look very similar, so if you see any new mold that looks even a little suspect, call a mold professional immediately.

Yes, if installed correctly. Moisture barrier padding blocks dampness from reaching the padding core and subfloor, where mold loves to grow, especially in humid environments like basements. However, poor installation with gaps or loose seams can do the exact opposite, trapping moisture and creating mold problems. So, make sure to do your installation carefully or hire a professional.

Sewer gas in any location can cause eye and respiratory irritation if you’re exposed at low levels, or more severe symptoms if you’re exposed at high levels—but fortunately, the fresh air outside means it’s less likely to affect your physical health. However, sewer smells outside can still indicate significant plumbing problems that will need to be dealt with, such as a potentially damaged sewer line or roof vent pipe.

Soaking memory foam can break down its structure over time or even encourage mold growth. However, brief encounters with moisture will not ruin your memory foam. As long as the mattress, topper, or cushion dries soon after getting wet, there's nothing to worry about. Just be sure to keep the affected item in an area with plenty of air and sun to encourage quick drying.

The Millbrae, CA homeowners’ guide to biohazard remediation services

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