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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

"We wanted the work to be done sooner than later, so we went for the first bidder, but I recommend getting a couple of more bids, Zero Mold rep was on time, was professional but friendly, and seemed to know what he was doing. He explained things to me as he went, so I understood what he was looking for and understood what his test equipment results meant. He gave me a fair estimate (i had done research on potential cost of remediation if I did have mold ahead of time) and his estimate was in the average for this service. He was prompt yet thorough. If all the technicians from this company are the same, I recommend them. Not being an expert, I will give it a month or two, revisit my attic and will then know for sure if the value per cost was as good as I think it is."
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

"The mold that was found was cladosporium. I had alerted the company that I have over 100 plants in my home and it is a small home. Aside from Humidity being mentioned- which humidity is high, Nothing was mentioned that this type of mold is common to be found on and in plant matter and soil and aside from getting the growth on the wall that was found treated- the plants in my home would be the cause therefore treatment alone would likely not solve the issue. I had to get this information from another contact. The testing itself and the results were completed in a timely fashion, and I would very much likely use them again to inspect my home- because they were able to identify and tell me what the mold was even if unable or unwilling to make the connection to the setup of my home :)"
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 NextDay Inspect
NextDay Inspect
4.9(
343
)

Serving Dale City, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"Great! Michael Dorsey was very thorough and detailed with the inspection and provided insight on how to proceed with removing the mold that was discovered. Would hire again!"
Inspections with Matthew
Inspections with Larry
Inspections with Dimitri
Inspections with Rhonda
Cracks in the Foundation- Here we find moderate cracks in the foundation, with evidence that they've been repaired before.

+744

Response time8 hrs
Response rate99%
6 neighbors recently requested a quote
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
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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.