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Home/Mold Testing/Dumfries, 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 Prince William County
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, with $80 added to every home-size tier. Mold Walk & Talk is $175 everywhere.
Dumfries traces its charter to May 11, 1749, when the Virginia Assembly established the town on 60 acres beside Quantico Creek, according to Historic Dumfries Virginia's own account. The Weems-Botts House, dated by the state's historic register to about 1798, began as a bookshop before becoming a law office and later a museum. Soil erosion from the surrounding farmland eventually silted the creek that once carried oceangoing ships, so today's town mixes that early waterside core with later residential growth well back from the water.
In Williamstown or Forest Park, describe your home's crawlspace or basement access and whether a mature tree canopy shades one side of the house longer than the other. For a Princeton Woods townhouse, identify the shared wall and whether a neighboring unit has reported a similar concern. Four Seasons in Historic Virginia residents should describe any change made to keep living on one floor, such as a converted garage or added ramp. Because the original town sat directly on Quantico Creek, describe your elevation relative to the creek if your address is near it, even though most of Dumfries today sits well away from that original waterfront.
Local background: Virginia DHR: Weems-Botts House, Historic Dumfries Virginia: town history.
01
Historic Dumfries Virginia's account places the town's original 1749 footprint directly beside Quantico Creek. A house close to that historic core may sit at a lower elevation than one built later, further from the water. Describe your elevation relative to the creek and any history of standing water nearby.
02
Mature trees along these older streets can keep one side of a roof shaded and damp longer after rain than the rest of the house. Note which side of the roofline stays wet longest, whether gutters are cleared regularly, and whether a ceiling stain lines up with that pattern.
03
An attached townhouse can route plumbing through a shared wall or chase serving both units. Identify which bathroom or laundry connection is closest to the concern, and describe whether a neighboring unit has had a recent leak or repair in that same location.
Where we test in Dumfries, and what to tell us
Williamstown, Forest Park
These established neighborhoods feature single-family houses with tree-lined streets and larger yards. Identify your crawlspace or basement access, describe canopy coverage over the roof and gutters, and note any addition built onto the original house.
Princeton Woods
For a townhouse here, identify which wall is shared with a neighboring unit and whether the concern sits near that boundary. Describe any recent plumbing or roof work on your unit, since that history narrows where a visit should begin.
Four Seasons in Historic Virginia
This active adult section pairs single-story layouts with a smaller footprint than the surrounding town. Identify whether a garage, bedroom or sunroom was added after the original construction, and describe the foundation beneath it. Note whether the unit shares a service line with a neighbor.
No version of your result is worth more to us than another one. If the report says you need work, you choose the remediator. A separate post-remediation assessment can document conditions after the work within its agreed scope.
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.
Note whether the stain lines up with a bathroom or laundry connection on the shared wall, and how long it has been visible. If you would rather start with a conversation, Walk & Talk does not involve samples. Mold Basic can then target that one area directly, and Mold Plus adds a moisture and thermal evaluation of the same spot.
The charter date itself does not predict conditions in a specific house. What matters is your home's construction, elevation and water history. If your address sits within the original waterside core described in the town's own history, mention that when booking so the technician understands the setting before arriving.
Not directly. That property is a preserved museum rather than a model for residential construction nearby. Describe your own house's age, foundation and any past water entry instead. The technician assesses the accessible conditions at your address rather than drawing conclusions from a neighboring historic building.
Often yes, when the addition has its own foundation or a distinct connection point to the original house. Describe when it was built and what it replaced. The visit can record observations for the addition and the original structure separately rather than treating the home as one uniform space.
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
