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Home/Mold Testing/Gainesville, 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 Prince William 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.
Part of Gainesville holds a documented but not formally mapped community. Prince William County's historic preservation office describes The Settlement, an African American community remembered as lying between Carver Road, Old Carolina Road and U.S. Route 29, and recorded through oral history projects in 2018 and 2020. That older, informally platted area sits alongside the large planned subdivisions built around Gainesville more recently, so a house near Carver Road and one in a newer community nearby can differ completely in age and construction.
In Heritage Hunt, describe any modification made for single-level living and identify the foundation beneath an attached villa or condo unit. For Lake Manassas or Virginia Oaks, describe whether your property adjoins a fairway or a pond view, since irrigation and course drainage there can affect grading near a foundation. In Piedmont, Broad Run Oaks or Glenkirk Estates, identify whether the house is on a slab, crawlspace or basement, since these newer subdivisions were built at different times with different builders. If your address is near Carver Road or Old Carolina Road, describe the house's age and any past renovation.
Local background: Prince William County Historic Preservation: historic communities.
01
County preservation records describe a historic community in this part of Gainesville that was not formally mapped or platted like the subdivisions around it. If your address falls in that older area, describe the house's construction and any past renovation, since it may differ from newer, planned construction nearby.
02
A home backing to a fairway or pond in Lake Manassas or Virginia Oaks can receive irrigation runoff engineered to move away from the course. Describe which side of the house faces that feature and whether grading slopes toward or away from the foundation on that side.
03
Piedmont, Broad Run Oaks and Glenkirk Estates were built by different builders at different times, so a slab, a crawlspace and a basement can all appear within the same general area. Identify which applies to your address rather than assuming a neighbor's foundation matches yours.
Where we test in Gainesville, and what to tell us
Heritage Hunt
This age-restricted community includes villas, condominiums and single-family homes built for single-level living. Identify your unit type and foundation, describe any modification made to avoid stairs, and note whether the unit shares a wall or roofline with an adjoining home.
Lake Manassas, Virginia Oaks
Some homes in these communities sit near a golf course or pond view. Describe whether your lot backs to that feature, whether irrigation or a cart path sits close to the foundation, and identify the foundation type before the visit.
Piedmont, Broad Run Oaks, Glenkirk Estates
These planned subdivisions were built at different times, so foundation types vary by section and by builder. Identify whether your house has a slab, crawlspace or basement, and describe any addition or finished space added since the original construction.
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.
Tell us which room is affected, its approximate size, and when you first noticed the smell. Walk & Talk is a walkthrough and conversation without samples, useful if you are still deciding. Mold Basic then samples that specific room, and Mold Plus adds a moisture and thermal evaluation of the same room for a more complete answer.
Not automatically. What matters is your specific house, not the broader area's documented history. If your address is older than the surrounding subdivisions, mention that when booking, along with any renovation you know about, so the technician can plan the visit around the construction before arriving.
Check your specific community's rules, since Heritage Hunt, Lake Manassas and others each have their own association. For most single-family homes, scheduling a visit does not require prior approval. If common areas such as a shared golf-course boundary are involved, mention that detail when booking the appointment.
Often yes, if the addition has its own foundation or a clear connection point to the original unit. Describe when it was added and what it replaced. The visit can record the addition and the original structure as separate observations rather than one combined space.
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
