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Top-Rated Mold & toxic material testers in Warrenton - Updated Nov 2026

Avatar for MoldGone LLC
MoldGone LLC
4.8(
1,006
)
Mold & Toxic Material Test

Serving Warrenton, VA and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"Jon from MoldGone easily saved me more than a thousand dollars by providing an expert opinion on proposed mold remediation by another company. His response was very timely, and he actually turned down the opportunity to undertake work, saying that the situation did not warrant remediation by his company. It was very refreshing to have someone advise that their services were actually NOT required in this instance. Should I every have any future questions regarding mold remediation, Jon will definitely be my first call."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+8

Response time1 day
9 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Mid-Atlantic Mold and Restoration
Mid-Atlantic Mold and Restoration
4.8(
19
)
Mold & Toxic Material Test

Serving Warrenton, VA and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"Excellent. Bruce is extremely honest and professional. I called Bruce after an exterminator warned me that he saw mold in my basement. Bruce came the next day, arrived exactly on time and upon visual inspection, told me that I did not have a mold issue. He could have easily set up treatment and I would have paid as I was afraid for the health of my family but Bruce is about as honest as they come. Jason"
Recommended by100%of homeowners
Avatar for Mold Test Company VA
Mold Test Company VA
4.0(
119
)
Mold & Toxic Material Test

Serving Warrenton, VA and surrounding areas

Approved

In business since 2008

Emergency services offered

Small jobs welcome

"The master teach was highly informative in explaining the science of the terms. I had previously hired another company and was left confused. I therefore paid more to have a second test by the Mold Test Company, and it was a very wise decision. If you think you may have mold in your home are apartment, I highly recommend that you contact Mold Test Company"
Technician
PVC Pipe
Shoes
Shoes
Shoes

+77

Response time1 day
190 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Mold Test Company MD-DC
Mold Test Company MD-DC
4.0(
33
)
Mold & Toxic Material Test

Serving Warrenton, 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
182 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Paxson's Mold Remediation And Junk Removal, LLC
Paxson's Mold Remediation And Junk Removal, LLC
5.0(
2
)
Mold & Toxic Material Test

Serving Warrenton, VA and surrounding areas

Approved

In business since 2025

Free estimates

Small jobs welcome

"Once contacted, Gregory Paxson provided timely and very professional mold and remediation services. Besides finding mold in several areas of the home, he also discovered the cause of the mold. All of the damaged materials were removed which allowed the plumbers to repair the water leaks that were causing the mold. Mr Paxson then was able to remove and replace the damaged insulation in the crawl space. During that work, he also discovered an additional structural problem that had to be addressed. In summary, Mr Paxson successfully completed removing the mold, conducting microbial remediation steps, replacing the damaged insulation, and installing a new crawl space vapor barrier ."
1 neighbors recently requested a quote
Avatar for SERVPRO of Springfield/Mt Vernon
SERVPRO of Springfield/Mt Vernon
4.6(
8
)
Mold & Toxic Material Test

Serving Warrenton, VA and surrounding areas

Approved

In business since 2009

Emergency services offered

Warranties offered

As a trusted leader in the restoration industry, SERVPRO of Springfield / Mt. Vernon is a locally owned and operated business that is determined to provide a fast response and 24-hour service to disasters of all types and sizes. All our technicians are highly trained, equipped with an extensive variety of advanced tools, and have an abundance of experience to deal with various disasters and to manage your restoration and construction needs. We posses a class A General Contractors license for VA. No job is to big or to small for us. We are a full service restoration - re-construction company. We specialize in emergency restoration, asbestos abatement and construction services. From a simple painting job, flooring installation to full kitchen and bathrooms remodeling, we do it all.

Drywall repair - after
Kitchen remodeling
Water damage project aft er being dried out
Drywall repair - before
Kitchen remodeling

+37

Response time1 day
2 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Water Damage America
Water Damage America
5.0(
100
)
Mold & Toxic Material Test

Serving Warrenton, VA and surrounding areas

In business since 2014

Free estimates

Emergency services offered

"I am a commercial property manager in Alexandria and I was very fortunate to work with Water Damage America Inc. This was my first time dealing with a major issue like this so I was a bit clueless. It was a Sunday afternoon when my tenant called with the flood disaster. A large pipe burst and flooded out two bathrooms, hallways and two conference rooms. Thankfully, team arrived and immediately sprung into action! WDAi drove every day to our location to maintain/monitor the equipment until drying was complete. Never once late and always professional. The next issue we ran into was they discovered black mold. Again, I was clueless what to do. WDAi made a call to get mold treatment scheduled. I don't think this experience would have been so flawless for me. It's rare someone goes above and beyond. I am so grateful and definitely recommend Water Damage America Inc.!"
Recommended by98%of homeowners
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FAQs for mold & toxic material test projects in Warrenton, 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 Warrenton, 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.