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Home/Mold Testing/Fauquier County, VA
Mold testing
Samples taken in your home, analysed by an accredited laboratory. We do not sell remediation, so the report has nothing to sell you.
4.9 rating, over 4,000 reviews NAMRI-certified inspectors Serving all of Fauquier County
Schedule a mold test Call (703) 450-6398 Find your community
One community in the county has a page of its own with local detail. The packages, the prices and the laboratory are the same across the county, so you can book from either page.
Warrenton anchors the county's horse country, with brick rowhouses downtown giving way to large-lot estates on well and septic.
Four options, depending on how much of the home you need looked at. Not sure which one fits? Start with the thirty minute visit and a technician will tell you what is actually worth testing. Decide to test while they are there and the visit is written up as a Mold Plus.
No sampling
"Something feels off and I do not know if testing is worth it."
$175
30 minutes on site
One area, tested
"I can see it, or I know exactly where to look."
$345
One targeted area, 1 to 2 hours
One area, plus the source
"There was a leak and I want to know where the water went."
$495
One targeted area, 1 to 2 hours
The whole home
"It could be anywhere, or it keeps coming back."
From $550
Priced by home size, 1 to 2 hours
* Prices shown are for Virginia and Maryland. In Washington DC, Mold Basic is $425, Mold Plus is $575, and Mold Advanced starts at $630. Mold Walk & Talk is $175 everywhere.
Fauquier County's build-out runs from the historic courthouse town of Warrenton outward into horse country. The oldest sections cluster around Warrenton and the crossroads villages platted along old turnpikes, while the twentieth century added larger-lot subdivisions along Routes 29, 17 and 211 as the county grew as a commuting and equestrian community rather than a dense suburb. Away from Warrenton's public water and sewer, most of the county remains large parcels served by individual wells, septic fields and a mix of basements, crawlspaces and outbuildings that vary with the age and use of each property.
Fauquier County sits across the Blue Ridge, the Piedmont and the Mesozoic basin that surrounds Warrenton, and the rock beneath a house changes with which of those the address sits on. A U.S. Geological Survey model built for the county in 2019 found that groundwater recharge over a twenty-year period averaged noticeably lower in the Mesozoic basin than in the Blue Ridge, and ties that gap to how slowly water infiltrates the basin's soils rather than to rainfall. On that ground, and on the county's well and septic lots generally, grading beside the foundation and a crawlspace's vapor barrier get the closer look.
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Around Warrenton and through the county's eastern half, the ground is Mesozoic basin rock that holds water longer than the soils to the west. A foundation wall or a crawlspace on that ground gets checked against the grading outside it, and the report notes what the grade is doing at the time of the visit.
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Toward the Blue Ridge in the county's west, houses run on individual wells drilled into rock that drains more freely than the basin ground to the east. Well houses, pressure tanks and the crawlspace access nearest them are part of the visit, and any staining around that equipment gets photographed and sampled.
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Many Fauquier properties sit at the end of a long private lane, with a barn, run-in shed or workshop apart from the main dwelling. A scope built around the address alone can miss those buildings, so which structures are included is confirmed before samples are taken, and the report says exactly which ones were tested.
We do not remove mold, so we have nothing to gain from your results. If your report shows a problem, you choose who fixes it. Once the work is done, we can test again and tell you what we find.
Virginia's residential disclosure statement advises buyers to exercise due diligence, including considering a mold assessment conducted by a business following EPA guidance. Confirm the scope and timing with your agent before settlement. A laboratory sample documents a selected place and time; it does not certify an entire home as mold-free or replace advice about your transaction.
Va. Code section 55.1-703. Current as of September 2026. General information, not legal advice.
Yes. The same team and pricing cover the whole county, from Warrenton out through the rural western and eastern ends, and a booking from any address in the county reaches the same schedule. If your property sits well outside the Warrenton area, mention that in the booking notes so travel is planned for.
No. Fauquier County includes several unincorporated villages that use their own post office names even though they sit inside the county, and the same visit, laboratory work and pricing apply everywhere in the county. Give the full street address when booking so the report lists the correct location.
Pricing follows the package you choose, not the size of the lot, so a large property is not automatically more expensive than a smaller one. What can change is timing: a long driveway, a locked gate or a barn added to the scope should be noted when you book so the visit is planned correctly.
It does not change the laboratory work, but it does change what gets looked at on-site. The well house, the crawlspace nearest it and the grading around the septic field are typical points of interest on properties that are not on public water and sewer, alongside whatever room or level prompted the call.
Real availability on the next screen. No call back required.
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NextDay Inspect
46179 Westlake Dr, Ste 200, Sterling, VA 20165
(703) 450-6398
