Home/Mold Testing/Arlington, VA
Mold testing
Mold Testing in Arlington, VA
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 Arlington County
How much does mold testing cost in Arlington?
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 Arlington homes
Arlington appointments can involve a detached house, a renovated addition or one unit in a larger building. Tell us which spaces are affected and whether building management controls access to the suspected source.
A basement odor and a stain below an upstairs bathroom call for different investigations. In a house with an addition, the connection between the original roof and the newer wall is worth checking. In an apartment, the plumbing route may extend beyond the unit. Bring the dates of leaks, repairs and repainting so the technician can relate present readings to the history without assuming the neighborhood tells the whole story.
Local background: Arlington County neighborhood plans, Virginia DHR: Westover Historic District.
01
Basements finished after the fact
Drywall can conceal a damp foundation. In a finished basement, identify the earliest stain and whether it changes after rainfall before choosing sampling locations.
02
Rear additions and crawlspaces
An addition introduces roof-to-wall connections and changes in floor level. Moisture evaluation can help investigate a stain near that junction without assuming its source.
03
Ventilation in stacked units
A bathroom fan needs a suitable discharge path. Where visible access permits, checking that path can help explain persistent humidity in an enclosed room.
Where we test in Arlington, and what to tell us
Lyon Village, Ashton Heights, Arlington Ridge
For a renovated house here, point out additions and finished lower levels. The visit can focus on the connection between older materials and later work.
Westover
If the property has a crawlspace, arrange safe access and identify any ground cover or drainage work. A musty room above it gives us a useful starting point.
Rosslyn, Clarendon, Shirlington
For an apartment or condominium, identify the affected room and any shared plumbing. Access to a neighboring unit or common area must be coordinated separately.
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 Virginia
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.
Mold testing near Arlington
Mold testing in Arlington, answered straight
Do you test condominiums and apartments in Arlington?
Yes. We can scope a visit to an individual unit, with sampling selected for the question and an outdoor comparison where appropriate. Tell us about access rules and leaks reported elsewhere in the building. The report documents your unit's assessment; it does not establish the condition of inaccessible common areas.
Is mold testing worth it on a 1940s Arlington house?
A history of water entry, a persistent odor or a concern behind later basement finishes can justify further evaluation. Age alone is not a reason to buy samples. Share the repair history of the Arlington house so the technician can help identify what question testing would answer.
Can you test before we waive the assessment contingency?
A visit can be arranged before a purchase decision if the seller provides access and timing is available. The Walk & Talk is a consultation without laboratory sampling. Confirm the contingency and access arrangements with your agent; the consultation does not replace the protections of a full assessment.
Do I need my landlord's permission to test a rented Arlington unit?
Check the lease and access arrangements before booking, especially for shared areas, roof space or an adjoining unit. We can discuss the sampling scope for an occupied Arlington rental, but permission and notice requirements depend on the particular agreement and property. A laboratory report does not determine those rights.
Book a mold test in Arlington
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