Top-rated mold and asbestos pros.

Get matched with top mold and asbestos pros in Westminster, CA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Top-Rated Mold and asbestos pros in Westminster - Updated Nov 2026

Avatar for Mold Neutralizers
Mold Neutralizers
4.8(
72
)
Mold & Toxic Material TestMold & Toxic Material Test - For Business

Serving Westminster, CA and surrounding areas

Approved

In business since 2014

Emergency services offered

Small jobs welcome

"Provided excellent information regarding the different types of mold, the different life safety hazards of certain molds. Even went above and beyond by returning to the Show Low area to do underneath the home and discovered Aspergillus, a very toxic mold."
Mold Inspection
Mold Inspection
Mold Inspection
Moisture detector
Single Family Home

+5

Response time2 days
10 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Home Biotesting
Home Biotesting
4.6(
51
)
Asbestos - Testing

Serving Westminster, CA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"They are very patient and helpful. They tested asbestos and created report for me within a week during Christmas. Many thanks to Oren."
Project Photos
Project Photos
Project Photos
Project Photos
1

+20

Response time2 days
2 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for 911 Certified Mold Testing LLC
911 Certified Mold Testing LLC
5.0(
8
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Westminster, CA and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"A few months ago I used 911 certified mold testing for my home they were referred to me by my plumber. I had a great experience dealing with this company they were very professional and knowledgeable about mold testing. They were also reasonable in their pricing! I highly recommend using this company for mold testing."
Response time4 hrs
Response rate93%
1 neighbors recently requested a quote
Avatar for Baldwin Builders
Baldwin Builders
4.6(
46
)
Asbestos - Abatement

Serving Westminster, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Excellent customer service. Hallie went above and beyond to answer my questions and to get the job done quickly. Highly recommended for asbestos encapsulation."
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%
33 neighbors recently requested a quote
Avatar for Hindsight Environmental
Hindsight Environmental
5.0(
7
)
Asbestos - Testing

Serving Westminster, CA and surrounding areas

Approved

Credit card accepted

Offers commercial services

If you are planning a renovation, demolition, or repair, you need clear answers fast. Hindsight Environmental provides independent asbestos, lead, and mold testing with fast scheduling, rapid laboratory turnaround, and straightforward reports so you can keep your project moving.\n\nWe specialize in asbestos and lead testing, from individual materials to pre-renovation surveys and lead inspections. Every inspection is performed by an owner, and results and reports are typically delivered within 24–48 hours.\n\nWe test and consult only — we do not perform abatement or remediation. Our findings are independent and focused on giving you accurate answers, not selling you cleanup work.\n\nWhen asbestos, lead, or mold is identified, we clearly explain the results and what they mean so you can make an informed decision and keep your project moving.

Avatar for Pure Mold Masters
Pure Mold Masters
5.0(
8
)
Mold & Toxic Material TestToxicity and Mold - RemovalMold & Toxic Material Test - For Business+1 more

Serving Westminster, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Warranties offered

"Pure mold Masters is a game changing process. Saves money, time, and the headache of having contractors in the house for days if not more. My rental home had mold issues. And my tenants son was have allergic complications. Once Pure Mold Masters came in and did there magic all issues were resolved. Iâ m forever great full. Thanks Pure Mold Masters!!!"
House Fogs
House Fogs
House Fogs
House Fogs
Fog

+6

Response time9 hrs
Response rate92%
6 neighbors recently requested a quote
Avatar for Express Dry
Express Dry
5.0(
12
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business+2 more

Serving Westminster, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"I am giving ExpressDry a 5.0 rating because they deserve it. They showed up on Thanksgiving week, great customer service, a big THANK YOU to Moy Munoz for making us feel like we were more than just a customer, i genuinely feel he wanted nothing but the best for us. He was quick to answer questions, explained the process in detail, his workers that came out and did the whole mitigation was awesome. They came in and got it done without any complications. Fast response, professional, quick, clean, friendly, helpful, I definitely recommend these guys! Thank you so much for all your hard work!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+9

Response time1 day
Response rate100%
5 neighbors recently requested a quote
...
Showing 1-10 of 255

The Westminster, CA homeowners’ guide to mold and asbestos services

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