Top-rated mold & toxic material testers.

Get matched with top mold & toxic material testers in Newbury Park, 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.

Find Mold & toxic material testers in Newbury Park

Avatar for Bye Bye Mold, Inc.
Bye Bye Mold, Inc.
4.8(
61
)

Serving Newbury Park, CA and surrounding areas

Approved

In business since 2002

Emergency services offered

Credit card accepted

"I worked with Robert, who gave me a thorough inspection with a comprehensive explanation of the whole inspection process. He even followed up when I had a roof leak issue after my inspection to see if any further testing was needed. I appreciate the time and care Bye Bye Mold gave in addressing concerns I had and giving me peace of mind."
Air Sample
Moisture Meter
Mold on shoes
Mold Growth under sink
Response time3 hrs
Recommended by96%of homeowners
Request Quote
Avatar for Advanced Clean Air Solutions LLC
Advanced Clean Air Solutions LLC
4.9(
13
)

Serving Newbury Park, CA and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"No nonsense and professional. I have had past experiences with mold issues and abatement that made me quite sick. I was very grateful for their services. Good air quality is imperative for good health!"
Expert Mold Inspectors: Uncovering Issues
Clear Insight: Duct Inspection with Camera
Lab-Tested Precision: Our Comprehensive Sampling
Expert Access and Repairs
Precision Mold Testing: Comparing Indoor and Out

+16

Response time5 hrs
Response rate100%
21 neighbors recently requested a quote
Request Quote
Avatar for 911 Certified Mold Testing LLC
911 Certified Mold Testing LLC
5.0(
8
)

Serving Newbury Park, CA and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"Kayla is so wonderful to work with. She is so professional and knows her stuff. Iâ ve used her in 2 projects already and my clients and I are extremely satisfied with her service. Her turn around mold air testing is fast. I will definitely recommend her and will continue to use her service."
Response time4 hrs
Response rate93%
Recommended by87%of homeowners
Request Quote
Avatar for Continental Remediation Services
Continental Remediation Services
4.9(
30
)

Serving Newbury Park, CA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"Told me everything I needed to know. Did what he said he would do and all was done on schedule. We passed on the first test for mold. I was very happy with his professionism and quality of work. I highly recommend this company!"
Commercial Project
After Final Cleanup
After Final Cleanup
During Cleanup Process
Initial Inspection

+16

Response time10 hrs
Response rate92%
6 neighbors recently requested a quote
Request Quote
Avatar for Mold Dwelling Testing
Mold Dwelling Testing
5.0(
5
)

Serving Newbury Park, CA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"We had a great experience with this company during the purchase of our home. We needed mold testing done quickly, and they were the only company able to provide fast service and quick results. They were professional, responsive, and offered a very fair price. Their reports and documentation were extremely helpful during our home negotiations, and the whole process was smooth and stress-free. Highly recommend for anyone needing reliable mold testing services!"
MDT
"™3-STEP APPROACH"
TitTHE INSPECTIONle
LET US TEST
MOISTURE METER

+19

3 neighbors recently requested a quote
Request Quote
Avatar for Hippo Home Inspections
Hippo Home Inspections
4.9(
152
)

Serving Newbury Park, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Emergency services offered

Small jobs welcome

"They were knowledgeable and thorough about mold testing and removal"
Response time4 hrs
Response rate89%
162 neighbors recently requested a quote
Request Quote
...
Showing 1-10 of 92
FAQs for mold & toxic material test projects in Newbury Park, CA

Some companies offer a no‑cost phone or video consultation that screens for red flags. If the discussion points to a real issue, the pro will recommend a paid on‑site inspection. The complimentary call clarifies whether you need full testing, but it isn’t a substitute for samples, lab work, or a written report. Always confirm what the free service covers before you schedule.

A standard inspection, which includes basic air and surface samples, takes an average of two hours. If the pro needs to probe hidden spaces, such as wall cavities or ductwork, plan on up to six hours. Extra time allows the inspector to reach tight areas, collect additional samples, and document findings. Lab analysis is a separate process and often adds several business days to the overall timeframe before you receive the full report.

Mold thrives where moisture lingers and air flow is poor. Common hotspots include bathroom walls, kitchen backsplashes, window sills, HVAC vents, fireplaces, crawl spaces, and enclosed attics. Check these areas regularly—especially after leaks or high‑humidity weather—to catch growth early and avoid costly repairs.

Unchecked mold can knock 20% to 37% off a home’s market value because buyers worry about hidden damage and health risks. Even after remediation, visible staining or a history of major moisture issues can still lower offers and prolong the time on the market. Addressing mold quickly protects both your property’s structural integrity and its resale appeal.

The Newbury Park, CA homeowners’ guide to mold & toxic material tests

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

See all articles