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Home/Mold Testing/Ashburn, VA
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 Loudoun 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.
Ashburn appointments include established communities such as Ashburn Village and Ashburn Farm as well as newer homes around Brambleton and One Loudoun. Share any builder-warranty deadline when requesting a visit, together with the specific concern you want documented.
For a recently completed house, photographs of construction wetting or an unfinished repair can be useful. A stained shower ceiling, damp wall after a window repair and high indoor humidity raise different questions. Newness does not rule out moisture problems, and a sample alone does not identify every defect. A focused evaluation can help you decide what further documentation to request from the builder or repair contractor.
01
Air sealing and insulation affect drying but do not by themselves establish mold. An evaluation considers how moisture arrived and whether the affected materials remain damp.
02
Warm bathroom exhaust should follow an appropriate route outdoors. A disconnected duct can wet attic materials even in a recently completed home.
03
Before a repair is closed, ask how drying was verified. Photos and readings taken during the work may be more informative than a sample taken after everything is concealed.
Where we test in Ashburn, and what to tell us
Ashburn Village, Ashburn Farm
For a home undergoing its first major replacements, identify which windows, siding sections or appliances were changed. A dated repair history helps separate old staining from current wetting.
Broadlands, Lansdowne on the Potomac
For a finished basement or lower-level bedroom, explain when the room feels damp and how it is conditioned. Check the actual house rather than assuming newer construction stays dry.
Brambleton, One Loudoun
For a new or attached home, bring builder records and identify the affected room precisely. A targeted concern may involve one detail without implying a development-wide problem.
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.
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.
If there is an unresolved moisture concern, an assessment before the deadline may provide useful documentation. Confirm notice procedures and timing with the builder or your adviser. A report does not extend a warranty or guarantee a remedy. Provide construction, repair and drying records when arranging an Ashburn visit.
It can occur when materials remain damp during or after construction, or when a later leak is not properly addressed. That does not make every new house a testing candidate. Focus on the actual concern, such as a stain, persistent odor or documented wetting, and ask what further evaluation would clarify it.
With no moisture history or specific concern, routine sampling may provide little useful direction. A Walk & Talk can help discuss what you are noticing and whether further evaluation is warranted. It includes no laboratory sampling. Health symptoms should be discussed with a healthcare professional rather than diagnosed from a home air sample.
A pre-settlement visit can be discussed if the builder provides access and scheduling permits. Identify specific concerns and any construction wetting you know about. Confirm the scope with your agent or builder, because a mold appointment does not replace a broader new-construction evaluation or determine your contractual options.
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
