Top-rated mold & toxic material testers.

Get matched with top mold & toxic material testers in Dale City, VA

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 Dale City

Avatar for ZeroMold
ZeroMold
5.0(
34
)

Serving Dale City, VA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Zeromold was very helpful. I had mold in my basement bathroom. I didn't know how long it had been there or if it was also somewhere else I couldn't see. They tested for mold and cleaned it all up. Very effective. Thanks."
Fogging Process
Commercial Fogging
Fogging Process
Before and After Mold Spore Count
Inspection

+5

Response time6 hrs
Response rate95%
21 neighbors recently requested a quote
Avatar for Mold Test Company VA
Mold Test Company VA
4.3(
101
)

Serving Dale City, VA and surrounding areas

Approved

In business since 2008

Emergency services offered

Small jobs welcome

"Of course, I had mold. I was surprised at how quickly they recommended Biocide to eliminate my mold problem. I feel like they may be together in the mold removal industry. Having done my research, you are not supposed to have a mold test company and also be a mold removal company, and yet this company seemed to skirt that but not having them be officially affiliated with Mold Test Company."
Technician
PVC Pipe
Shoes
Shoes
Shoes

+77

Response time1 day
136 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for The Best Air Quality and Restoration
The Best Air Quality and Restoration
4.8(
216
)

Serving Dale City, VA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Our cleaner Stephan was very professional, nice and informative. He even installed a special blue light with our system to prevent mold.... the same day. Would definitely recommend. The price went up because we opted to have mold cleaning and light installed. But very needed service. The price started around $240.00."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+50

Response time1 day
2 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Mold Test Company MD-DC
Mold Test Company MD-DC
4.4(
27
)

Serving Dale City, VA and surrounding areas

Approved

In business since 2015

Emergency services offered

Small jobs welcome

"This company performed a very thorough mold analysis. They opened my eyes to the dangers of the various types of mold growing in my house and provided possible solutions to remediate it."
Mold Testing
Mold Testing
Mold Testing
Mold Testing
Mold Testing

+70

Response time1 day
164 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for Mid-Atlantic Mold and Restoration
Mid-Atlantic Mold and Restoration
5.0(
13
)

Serving Dale City, VA and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"The company agreed to see my home within days of calling them. He was friendly and professional. He evaluated the mold growth and determined the cause and cleaned/removed the mold the same day. His prompt service put me at ease and made me feel more secure about my child sleeping in his room. I would definitely hire this company again."
Recommended by100%of homeowners
Avatar for Water & Mold Remediators
Water & Mold Remediators
4.8(
10
)

Serving Dale City, VA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"When I reached out to Water & Mold Remediators through home advisor they got back to me right away. Carlos was very communicative and walked me through every process. I would highly recommend this company for any future work and reference him to anyone who needs his expertise."
Storm Approaching
Water damage / Outside black water
Water damage / Outside black water
Water damage / Outside black water
Water damage / Outside black water

+50

Response time1 day
Recommended by100%of homeowners
Avatar for Ecosystems Environmental Services, Inc.
Ecosystems Environmental Services, Inc.
4.5(
89
)

Serving Dale City, VA and surrounding areas

Approved

In business since 1992

Emergency services offered

Small jobs welcome

"Ecosystems Environmental Services tested my house for mold. They showed up on time. It took about 2 hours to check the house. They checked each floor and each room on each floor. Took air samples. Currently waiting for test results."
Certifications
Certifications
Certifications
Certifications
ACAC Board Member

+68

Response time5 hrs
2 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Exceptional Restoration Services
Exceptional Restoration Services
4.4(
28
)

Serving Dale City, VA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"We recently had Dan come out to give us a free quote for two windows that were leaking and showing some minor water damage. From the moment he arrived, Dan was professional, friendly, and incredibly thorough. He took his time inspecting both windows and clearly explained where the moisture was building up and what signs to keep an eye on moving forward. What really stood out was his honesty—rather than pushing unnecessary repairs, Dan let us know that the issue could be mitigated on our own by using dehumidifiers and keeping the window areas clean. He walked us through exactly where the buildup was happening and gave us practical tips to manage it ourselves. It's rare to come across an honest company that is not money hungry. We wouldn’t hesitate to call Dan and Exceptional Restoration Services again in the future!"
Water Damage
Water Damage
Water Damage
Water Damage
Water Damage

+41

13 neighbors recently requested a quote
Recommended by67%of homeowners
...
Showing 1-10 of 391
FAQs for mold & toxic material test projects in Dale City, VA

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 Dale City, VA homeowners’ guide to mold & toxic material tests

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