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Home/Mold Testing/Damascus, MD
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 Montgomery 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.
Damascus sits in northern Montgomery County surrounded by the county's Agricultural Reserve, which planning records credit with keeping the town's rural character intact even as its Town Center has grown. The same planning history notes the Great Seneca and Magruder Branch stream valleys running through the area. A house near one of those valleys, a newer townhome close to downtown Damascus and an estate lot with a walk-out basement all sit on different terrain, so what to describe before a visit depends on which of those you own.
For a Damascus Village or Reserve at Damascus townhome, identify shared walls, the roof section above your unit and any window or door leak history. On a Kings Valley or Sweepstakes lot with an older structure, describe additions, crawlspace access and known drainage patterns around the foundation. At Meadows at Seneca Creek or another walk-out lot, tell us how the grade meets the foundation and whether the lower level has ever taken on water. Well and septic details matter on any larger lot at the edge of town, along with recent landscaping changes.
Local background: Montgomery Planning: Damascus community page, Damascus Heritage Society Museum.
01
A townhome roof often spans several units, so a leak can travel some distance before it appears in your own ceiling. Identify your unit's position in the row and ask neighbors about any known repairs nearby.
02
A walk-out basement exposes one foundation wall directly to the yard's grade rather than burying it below ground. Describe how that side slopes, where downspouts discharge and whether the exposed wall has ever shown staining after rain.
03
A lot backing onto the Great Seneca or Magruder Branch valleys can carry different groundwater conditions than one further from a stream. Note the property's distance from the water and any history of a wet yard, including how quickly puddles usually drain after rain.
Where we test in Damascus, and what to tell us
Reserve at Damascus and Damascus Village
In a newer townhome close to downtown, identify shared walls, the roof section above your unit and any recorded window or door leaks. Note whether neighboring units have reported similar concerns, and describe any builder walkthrough notes you still have.
Kings Valley and Sweepstakes
For an established single-family house, describe additions, crawlspace access and how long-term drainage has behaved around the foundation. A mix of home ages here means construction details vary by lot.
Meadows at Seneca Creek
On an estate lot with a walk-out basement, describe how the grade meets the foundation on the exposed side and whether that lower level has ever taken on water. Note the distance to the nearest stream.
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.
For a Maryland property, define the question before ordering samples: a particular stain, persistent odor, water event or follow-up after repairs. Keep dated observations and laboratory findings with the repair history. A report does not determine health risks, insurance coverage or legal responsibility. Montgomery County also publishes separate radon requirements for covered home sales; confirm which rules apply to your transaction.
EPA sampling guidance; Montgomery County radon guidance. Current as of September 2026. General information, not legal advice.
Describe where the stain sits relative to the roofline and whether it has changed size recently. A Walk & Talk visit is consultation only, with no laboratory samples involved, whereas Mold Basic tests that one roof-adjacent area and Mold Plus adds a moisture and thermal evaluation on top of it. Bringing photographs of the stain helps the office suggest the right starting point.
Tell us if your property uses a private well and septic system, since utility rooms and equipment areas are often near a crawlspace or basement worth describing. The technician evaluates the areas you identify rather than assuming a rural setting changes what a sample can show or explain.
Often yes, if the concern is limited to that level of the house. Describe the exposed wall, any nearby door or window, and how the room connects to the rest of the house. The agreed scope can expand later if evidence points beyond the lower level itself.
Buildings near the Town Center tend to be newer than farmhouses further out in the Agricultural Reserve, so describe your building's setting and age when booking. Whether downtown or on a rural edge, the visit follows the specific area and history you describe, not the neighborhood's general reputation.
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
