Home/Mold Testing/Germantown, 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.
Montgomery Planning's history of Germantown describes a farming town of about two thousand residents as recently as 1970, before a 1974 master plan set out a blueprint for a much larger new town along the interstate corridor. That same history records close to thirty five thousand residents by 1989, with housing built faster than the employment base around it. Germantown's neighborhoods range from that first wave of subdivisions to sections still filling in today, so a home's age depends on which decade of that growth built it.
For a home in Kingsview Village or Churchill Village South, identify whether the lower level is a basement and describe any addition or enclosed porch built since the original construction. In Clarksburg Ridge, note crawlspace access and drainage around the foundation. Near Gunners Lake, describe the lot's elevation relative to the shoreline and any history of standing water after storms. Neelsville Estates homes near Milestone Shopping Center and the interstate should come with details of any recent window or roof repair. Mention which section of Germantown you are in, since the community includes several distinct waves of construction.
Local background: Montgomery Planning: Germantown.

01
A lot that slopes toward the lake can direct roof and yard runoff back toward the foundation instead of away from it. Describe the grading pattern around your house, where downspouts discharge, and whether dampness follows periods of heavy rain rather than a single event.
02
A kitchen or bathroom expanded beyond its original footprint often runs new supply and drain lines beneath an existing floor. Describe when that work was done, whether a permit or contractor record exists, and where a stain or soft spot sits relative to the new plumbing run.
03
A house backing to a commercial parking area or access road may receive runoff patterns different from a typical yard. Describe any grading, retaining wall or drainage swale along that side of the property, and note when dampness is noticed relative to storms.
Where we test in Germantown, and what to tell us
Kingsview Village and Churchill Village South
Both areas include a range of single family and townhome styles built around shared amenities. Identify the foundation type, basement or crawlspace, and describe any pool house, clubhouse-adjacent drainage or addition built after the original construction.
Gunners Lake Village
Homes near the lake should note the lot's elevation and distance to the shoreline. Describe any history of standing water after heavy rain, and identify whether the lower level has been finished since the home was built.
Clarksburg Ridge and Neelsville Estates
These sections mix newer townhomes with detached houses near shopping and the interstate. Identify crawlspace or basement access, describe any recent window, roof or siding repair, and note the home's approximate completion if known.
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.
If the concern is limited to a single room, Mold Basic tests that targeted area, and Mold Plus adds a moisture and thermal evaluation of the same space. Describe the room, when the smell or stain began, and whether it follows any pattern, and the office can help match a service to what you have observed.
A standard visit does not alter the exterior or common elements, so association approval is not typically required beforehand. If a later repair affects shared siding, roofing or drainage, check the association's guidelines separately. Describe any clubhouse-adjacent drainage or shared amenity near your unit so the visit can account for it.
Addressing standing water and regrading the yard is a separate repair question from whether a room already shows a musty odor or staining indoors. Describe whether the interior has been affected and where, along with how often the yard floods. The office can help decide whether an evaluation now or after regrading makes more sense.
Bring any invoice or note describing when the roof was last repaired, along with photographs of the stain over time if you have them. Describe whether the mark grows after rain or stays the same size, and identify the room and ceiling area involved so the visit can focus on the right location.
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