Skip to content
Home/Mold Testing/Fairfax, 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.
A Fairfax mailing address can refer to the City of Fairfax or nearby county neighborhoods. Share the full property address, home type and affected rooms so the appointment is planned for the right location and scope.
A rambler with a crawlspace calls for different access than a colonial with a finished basement. For a lower-level concern, note the position of the sump, any drain repairs and whether downspouts discharge beside the wall. Soil and grading vary by parcel. Moisture readings and the history of actual water entry are more useful than assuming every Fairfax foundation sits in the same ground conditions.
01
Water pooling near a wall is worth documenting after rainfall. A qualified drainage professional can assess the site if grading or soil conditions appear relevant.
02
A sump alarm, power interruption or pump replacement is useful context for a basement concern. Record what became wet and how drying was documented.
03
Torn ground cover can leave exposed soil beneath a house. The crawlspace's current moisture conditions and safe access determine what can be assessed.
Where we test in Fairfax, and what to tell us
Fairfax City centre
For a property near the city center, bring records of additions and drainage repairs. A building's age does not establish the condition of concealed materials.
Kings Park and nearby streets
In a rambler, split level or colonial, identify the affected floor and any later basement finish. Accessible foundation edges can help guide the evaluation.
Fairfax Station, Fair Oaks, Oakton
For a property in the surrounding Fairfax area, describe sump equipment, exterior grading and rooms below ground. Use the full address when arranging the visit.
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.
Yes. We can discuss a visit for an owner, landlord or tenant in Fairfax, subject to the necessary access arrangements. A report records the assessment and laboratory findings within its scope. Independence from remediation avoids that sales conflict, but does not guarantee that another party or a housing authority will accept a particular conclusion.
A Walk & Talk provides a thirty-minute consultation about the concern, without laboratory sampling. Mold Plus adds moisture and limited thermal evaluation for a defined area. Describe the rooms, odor and leak history when booking so the scope fits the question; testing added during a consultation is billed as Mold Plus.
Address water removal and drying promptly rather than waiting for a test. EPA guidance emphasizes drying wet materials quickly. For extensive damage or possible contaminated water, contact a qualified restoration professional. Once the response is underway, discuss whether assessment or sampling would answer an unresolved question and keep the drying records.
A home evaluation and laboratory mold testing have different scopes. Visual observations can identify a concern without establishing the identity of a patch or airborne sample. Whether separate testing adds useful information depends on the question, access and history of moisture; visible growth often calls for fixing the water problem rather than buying samples.
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
