Home/Mold Testing/Montgomery County/Silver Spring, MD
Mold testing
Mold Testing in Silver Spring, MD
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
How much does mold testing cost in Silver Spring?
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
Mold Walk & Talk
"Something feels off and I do not know if testing is worth it."
$175
30 minutes on site
- Time with an environmental technician
- Moisture meter and thermal camera
- Findings explained on the spot
- Each additional 30 minutes $95
- No samples or laboratory work
One area, tested
Mold Basic
"I can see it, or I know exactly where to look."
$345
One targeted area, 1 to 2 hours
- Indoor sample plus outdoor comparison
- Accredited laboratory analysis
- Written laboratory report
- Additional samples $95 each
One area, plus the source
Mold Plus
"There was a leak and I want to know where the water went."
$495
One targeted area, 1 to 2 hours
- Everything in Mold Basic
- Moisture and thermal evaluation of the area
- Read Your Mold Report guide
- Each additional area $50 plus its $95 sample
The whole home
Mold Advanced
"It could be anywhere, or it keeps coming back."
From $550
Priced by home size, 1 to 2 hours
- Whole home moisture and thermal evaluation
- Sampling in the areas that call for it
- Read Your Mold Report guide
- Post-remediation re-test $295 held 3 months
* 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.
Where moisture can hide in Silver Spring homes
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.
Local background: Montgomery Planning: Silver Spring community history.

01
Basement apartments and in-law suites
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
Layered renovations
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
Multi-unit buildings
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.
We only perform testing, not remediation.
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.
Before you book in Maryland
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 Code: radon testing for home sales. Current as of September 2026. General information, not legal advice.
Mold testing near Silver Spring
Mold testing in Silver Spring, answered straight
I rent and my landlord says there is no mold. Can I have it tested?
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.
Is a basement apartment more likely to have mold?
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.
Does Maryland give tenants the same protections as DC?
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.
Can I use the report in a housing code complaint?
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. The report describes the agreed scope and observations, with laboratory findings when samples were collected; the authority or court decides what weight to give that evidence.
Book a mold test in Silver Spring
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