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Home/Mold Testing/Fair Oaks, 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 Fairfax 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.
Fairfax County's history of Ox Hill Battlefield Park places the 1862 fighting across roughly 500 acres of farmland and woods between Fair Oaks Mall and the Fairfax County Parkway, ground the county's own account says has since been developed into housing and commercial property. That same account notes only a 4.8-acre remnant survives as parkland today. The fact that most of Fair Oaks was open farmland within living memory of the buildings now standing there is worth naming when you describe a townhouse or condominium's own construction.
In a townhouse or condominium community near the mall, such as Fair Lakes or Penderbrook, tell us which floor and unit the concern involves, and whether a shared wall or amenity building like a pool house is part of the picture. In an older single-family section such as Fair Oaks Estates or Waples Mill Estates, describe the crawlspace or basement and any addition built since the original construction. A golf-course property in Penderbrook may also have irrigation or drainage details worth mentioning near the affected room before scheduling.
Local background: Fairfax County Park Authority: Ox Hill Battlefield Park.
01
A property backing to a golf course or community irrigation system may see more consistent ground moisture near the foundation than one that does not. Describe the irrigation schedule and how close it runs to the affected side of the house.
02
In a condominium near the mall, a stain or odor may originate on either side of a shared wall or from the floor above. Describe the unit's layout and ask your association about access to adjoining spaces before the visit.
03
A single-family house on a street that predates the surrounding retail development may have gone through more than one addition. Describe the sequence of changes and where the current concern sits relative to the original structure.
Where we test in Fair Oaks, and what to tell us
Fair Lakes, Penderbrook
In a townhouse or condominium near the mall or golf course, identify the floor, unit and any shared wall involved. Irrigation, drainage or amenity-building plumbing nearby may also be relevant; describe what you have observed.
Random Hills
For a home or townhouse here, describe whether a party wall is shared with a neighbor and any repair history tied to the affected room. Access to a nearby pool or playground area is arranged separately from an individual home's visit.
Fair Oaks Estates, Waples Mill Estates
On a larger single-family lot with older construction, identify the crawlspace or basement access point and describe any addition built since the house was originally constructed. Tree-lined streets here can keep some yards shaded longer after rain.
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.
For a townhouse, the useful question is whether the concern stays in one room or runs along a wall you share with the next unit. One room fits Mold Basic, and Mold Plus adds a moisture and thermal evaluation of that room. A concern that follows the party wall may need the neighbor's cooperation before any scope can settle it, so mention that when you call.
Not a different process, but describe the irrigation schedule and how close it runs to the house, along with any drainage changes near the foundation. That detail helps the technician understand what might affect ground moisture around a specific room, separate from anything found inside the house itself.
Not automatically. Describe what you have personally observed in your own unit, including any shared wall or floor with that neighbor. A visit can document your unit's conditions; confirming whether the two concerns are connected usually needs information from both units and possibly the property manager's cooperation.
Age by itself is not the concern; the house's own repair and addition history is more useful. Describe when any additions were built and whether a stain or odor followed a specific event like a roof or plumbing repair. The visit is scoped to what you describe.
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
