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Avatar for Bio 911
Bio 911
4.9(
92
)

Serving Pacifica, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Easy and fast communication. Business owner came out quickly per our request, and tested the air quality in an around our home, and did mold testing. He was speedy and kind; very informative of what he was doing and what he would be looking for. Gave us his thoughts and recommendations on what we saw visually, and then put the tests in to the laboratory same day. Results came back within 3 days. I highly recommend them for your mold and air testing needs!"
Mold under window
mold on concrete foundation
after treatment
after remediation
Hoarding cleanup

+18

Response time5 hrs
Response rate98%
1 neighbors recently requested a quote
Avatar for Quality Air Environmental Consulting, LLC
Quality Air Environmental Consulting, LLC
4.9(
10
)

Serving Pacifica, 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.
4.6(
37
)

Serving Pacifica, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"We hired McCormick Home Builders to remodel our living room, and we are beyond pleased with the result. The team was professional, worked efficiently, and Aris design ideas made a huge difference. The room feels so much brighter and more spacious. This was the best decision we made for our home, and we were already planning our next remodel with them."
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+1

Response time6 hrs
Recommended by17%of homeowners
Avatar for Ovation Restoration, LLC
Ovation Restoration, LLC
4.2(
102
)

Serving Pacifica, CA and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"Rick, the owner of Ovation put us instantly at ease. His suggestions led us to not only remodel our bathroom, but extend remodeling to the rest of our home. Our first meeting, and every interaction following with Rick's crew was positive. They came, they worked hard, always smiling and were very flexible towards our needs. We heard how much they thought of Rick and his wife Jessica, which only confirmed we made the right choice. Issues came up, which we didn't count on, and I'm embarrassed to admit Rick & Jessica were on the receiving end of my stress, but despite this, Rick always remained patient, and even Jessica called to reassure me she was working on it. In the end, my whole house was completely made over with new bathroom cabinets (including linen storage) flooring, doors, trim, molding and paint. The quality of our remodel has turned our home into an amazing staycation. We hope to have Rick & Jessica over for dinner, not only because Rick is a was, but because we want to show our gratitude"
Breathtaking solid slab granite countertops
Walk-in shower with sliding glass door
Handicap accessible with style
New lighting
Antique white custom cabinets

+133

Response time10 hrs
Response rate96%
3 neighbors recently requested a quote
Avatar for Rodent Busters Inc
Rodent Busters Inc
4.9(
9
)

Serving Pacifica, CA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Responded quickly Came right over to diagnose and quote Came the next day to do the work Came back a week later to make sure all work was done and fix a few things that weren’t as neat as I wanted I would absolutely recommend them"
Attic Insulation
Attic Insulation
Attic Insulation
Attic Insulation
Attic Insulation

+23

2 neighbors recently requested a quote
Avatar for T.L Solutions and Services LLC
T.L Solutions and Services LLC
5.0(
1
)

Serving Pacifica, CA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"Tony is awesome! I appreciate his professionalism, knowledge, and extensive training and experience along with his kind heart. He is a great person to call for emergency disaster cleanup and other jobs as well. He helped me out tremendously with mine. Highly recommended."
Mold remediation
Mold remediation
Mold remediation
Mold remediation
21 neighbors recently requested a quote
Avatar for Bay Area Inspection Services LLC
Bay Area Inspection Services LLC
5.0(
1
)

Serving Pacifica, CA and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"I had a great experience working with Bay Area Inspection Services LLC. The inspectors were very knowledgeable and took the time to explain all findings in a simple and clear way. They were punctual, professional, and respectful throughout the process. The report was detailed and delivered quickly. I would definitely use their services again."
Moisture Scan Sunnyvale
Moisture Scan Sunnyvale
Moisture Scan Sunnyvale
Gas Leak Detection MV
Gas Leak Detection MV

+10

5 neighbors recently requested a quote
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Showing 1-10 of 92
Mold Testing and Remediation questions, answered by experts

Toxic black mold on wood appears as dark green or black patches. It often has a slimy or wet texture and may spread across the surface in a spotty pattern. The affected wood might appear discolored, soft, and damp. Identifying black mold early is crucial because it can cause severe health problems when its spores are released into the air. Prompt remediation is necessary to prevent further damage and health risks.

Yes, a one-time water leak can cause mold. Depending on the conditions, mold can begin to grow within 12 to 48 hours. The risk increases with the severity of the leak, high humidity, and when water soaks into absorbent materials like drywall. To prevent mold growth, stop the leak immediately and ensure the area is dried completely; running a blower fan for 24 hours is recommended. If you do notice mold, it's best to call a mold removal specialist to address the situation.

Many peel-and-stick wallpapers aren’t moisture-resistant, so if you install them in high-humidity rooms, mold can grow behind the wallpaper. It’s best to reserve peel-and-stick wallpaper for bedrooms, living rooms, and other rooms with lower humidity levels. Not only does this minimize the risk of mold growth, but it also keeps the wallpaper from bubbling or peeling.

Dog vomit slime mold is not toxic to humans, plants or pets. However, it can act as an allergen to people with allergies. Dog vomit slime mold is considered more of a cosmetic nuisance. However, it is beneficial to its ecosystem as it helps break down organic matter, releasing nutrients for plants.

Eliminating mold from wood permanently poses a challenge as the mold spores have the ability to deeply penetrate the porous wood surface. While surface mold can be effectively eradicated with proper cleaning and preventative measures, it's difficult to guarantee its non-recurrence under favorable conditions. To prevent mold from reappearing, it is important to identify and resolve the root cause of the moisture that triggered mold growth initially.

Ensuring appropriate ventilation and a dry environment, or consider applying protective finishes such as sealant, varnish, or paint to prevent future moisture penetration and mold growth. Consistently inspect and maintain the area to keep the wood free from mold in the long term.

The Pacifica, 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.