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TRUSTED BY WALNUT, CA HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon19
    Verified biohazard remediation services reviews

Top-Rated Biohazard remediation specialists in Walnut - Updated Nov 2026

Avatar for Pure Restoration Inc
Pure Restoration Inc
4.4(
84
)
Asbestos - AbatementToxicity and Mold - Removal

Serving Walnut, CA and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"Pure Restoration does it all and does it all to perfection. Tommy is smart, creative, artistic, and honest. He knows how to push through insurance claims when the denials start rolling in. He knows how to solve problems. Most importantly, he is a good person with good intentions. He understands the way of our world where quality work and customer care matter. Pure Restoration basically reconstructed my home after a horrible combination of fire and water damage. I am married with two small kids and uprooting us from our home was stressful, but Tommy did not add to the stress. In fact, his demeanor is naturally calming, he naturally cares about people, and he tries to instill good vibes. Also, the office is always there. They are one email away. The crew is also the most trustworthy crew that I can imagine. All in all, they are a model company."
Mold Remediation
Mold Remediation
Mold Remediation
Mold Remediation
Mold Remediation

+96

Response time1 day
Response rate100%
8 neighbors recently requested a quote
Avatar for French estates junk removal services
French estates junk removal services
5.0(
25
)
Hazardous Waste Removal

Serving Walnut, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"Excellent service! The team was professional, quick to respond, and made the entire junk removal process quick and stress-free. They worked efficiently, cleaned up afterward, and offered fair pricing. I highly recommend them to anyone needing reliable junk removal services"
Avatar for Baldwin Builders
Baldwin Builders
4.6(
46
)
Asbestos - Abatement

Serving Walnut, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"On a referral we contacted Baldwin Builders to do asbestos abatement and removal of old air ducts from the attic. Not only were they professional, efficient, and reasonable, but the job was done promptly and they were immaculately clean in the house. I would definitely recommend this company. Hallie was always very helpful."
Containment for Asbestos Ceiling
Asbestos Abatement
Block off from rest of the home
Asbestos Abatement
Flood cuts in asbestos walls

+3

Response time1 day
Response rate95%
31 neighbors recently requested a quote
Avatar for Envirotech Restoration
Envirotech Restoration
4.9(
8
)
Indoor Air Quality TestingMold & Toxic Material Test

Serving Walnut, CA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Excellent work ethics and the expertise that the company demonstrated while handling the project really impressed me. I love the fact that they explained everything in detail and well organized. I thank the entire team for their professionalism."
Response time1 day
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Allegiance Restoration & Services  License Not Yet Provided
Allegiance Restoration & Services License Not Yet Provided
5.0(
7
)
Toxicity and Mold - Removal

Serving Walnut, CA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"We had severe water damage in our home that affected the kitchen, dining room, bathroom, and pantry. Jose and his team came to the rescue and did an exceptional job restoring everything. They worked quickly, stayed organized, and kept the area spotless every day. Jose is incredibly reliable, honest, and easy to communicate with. He always showed up on time, kept his promises, and made sure every part of the job was done right. His crew is skilled, professional, and worked efficiently together. I got three estimates before starting, and Jose not only offered the best price but also finished the job faster than anyone else. The results are clean and beautiful — you’d never know there was any water damage! They truly went above and beyond. Highly recommend Jose and his team!"
Roof Leak
Response time6 hrs
3 neighbors recently requested a quote
Recommended by14%of homeowners
Avatar for DropN'Haul
DropN'Haul
5.0(
31
)
Hazardous Waste Removal

Serving Walnut, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"Armando was excellent to work with before during and after the junk hauling process. He was patient to explain everything. No hidden fees. Very considerate when I needed to reschedule. He worked with me and offered recommendations from trailer sizes I needed to what was the most efficient way to remove certain junk. He's truly an expert and a professional."
Hauling Project
Chimney demo and remodel. Created custom flush to floor with tile.
Dumpster Service Project
Tree
Repair

+88

Response time10 hrs
Response rate100%
4 neighbors recently requested a quote
Avatar for KB Environmental, Inc.
KB Environmental, Inc.
4.2(
96
)
Asbestos - Abatement

Serving Walnut, CA and surrounding areas

Approved

In business since 2012

Free estimates

Customers say: True professional

"These guys removed our asbestos covered ducts in a professional and timely way. Their price was fair and the work quality great. The HVAC company I hired said they did a great job."
Working on Scissor Lifts
Working on Scissor Lifts
Full Containment
Removal Of ceiling
Removal of Ceiling

+27

Response time1 day
22 neighbors recently requested a quote
Recommended by95%of homeowners
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Biohazard Remediation FAQs, answered by experts

Yes. Musty smells in your home usually signal that mold or mildew is lurking somewhere. Both can cause allergy symptoms in those who are allergic. Mold can cause structural damage and serious health issues if left unaddressed.

You may be able to clean mold from your air conditioner in some cases. If the mold growth only takes up a small area, you can use either vinegar or bleach mixed with water to remove it. Larger areas of mold should be left to the professionals, though. It's also a good idea to leave mold removal to the pros if you are sensitive to mold or have asthma. 

Mold can grow quickly in wet carpet: in as little as 12 to 24 hours. That’s why it is crucial to take action immediately if there’s any sign of water damage under your floor. Remove as much water as possible with a shop vac and towels, then use baking soda to help remove moisture deep in the fibers. Always steam clean the carpet or use an antibacterial carpet sanitizer to kill any mold growth.

Mold grows in areas with humidity levels above 60%, but ideal conditions for mold growth occur when humidity is between 70% and 90%, especially in poorly ventilated areas. To prevent mold growth, aim to maintain indoor humidity levels between 30% and 50% using dehumidifiers, proper ventilation, and temperature control. Regularly check your home's humidity with a hygrometer to help you monitor and avoid conditions conducive to mold.

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.

The Walnut, CA homeowners’ guide to biohazard remediation services

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