Home/Mold Testing/Silver Spring, 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 describes Silver Spring's growth from railroad and streetcar development into a downtown shaped by later redevelopment. A booking may be for a house in Woodside, a basement apartment or a unit in the downtown core.
For a basement apartment, cooking, bathing, ventilation and below-grade walls all belong in the moisture history. For an older house, identify later finishes and any conversion work. For a downtown unit, arrange access through management and collect the dates of nearby leaks. A report can document conditions observed in your space, while responsibility for a shared repair remains a matter for the relevant owner, agreement or authority.

01
Below-grade living space can have several moisture sources. Note cooking and bathing patterns, exhaust arrangements and water entry instead of assuming one cause for an odor.
02
Successive layers of wall or floor finishes can limit access. Renovation photographs may help establish what is behind a surface without opening it during the visit.
03
In a shared building, document both the affected room and any reported leak nearby. Laboratory results alone cannot assign responsibility for a repair.
Where we test in Silver Spring, and what to tell us
Woodside, Four Corners
For a Woodside or Four Corners house, describe additions and any separate lower-level living space. Ask what areas will be accessible before selecting a testing scope.
Downtown Silver Spring
For a downtown apartment, tell us about building-entry requirements and the room affected. Management may need to coordinate access if the suspected source is outside the unit.
The Takoma Park and Wheaton edges
For a property toward Takoma Park or Wheaton, provide the full address and describe side-yard drainage. A narrow or shaded lot needs site-specific evaluation.
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.
We can discuss a testing visit for a tenant as well as an owner, subject to the necessary access arrangements. Keep written notices, photographs and repair dates. A Silver Spring report can document observations and samples, but it does not establish legal responsibility or guarantee how a landlord or agency will respond.
A basement apartment can have moisture from below-grade walls, plumbing and everyday cooking or bathing. Its condition depends on drainage, ventilation, maintenance and actual water entry. Describe the affected room and when it feels damp. The evaluation should investigate those conditions rather than assume every basement apartment contains mold.
Use the housing authority responsible for your address to confirm complaint procedures, notice requirements and available help. DC and Maryland have different systems, and a testing page cannot determine a tenant's rights. For a Silver Spring rental, retain dated communications and photographs alongside any assessment report.
You can provide the report as part of the documentation for a concern, together with notices, photographs and repair records. Confirm the receiving authority's requirements before booking if that is the purpose. A report describes its assessment and laboratory findings; the authority or court decides what weight to give that evidence.
Real availability on the next screen. No call back required.
Schedule a mold test Request a price
NextDay Inspect
46179 Westlake Dr, Ste 200, Sterling, VA 20165
(703) 450-6398