Home/Mold Testing/Fairfax County/Fairfax, VA
Mold testing
Mold Testing in Fairfax, 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 Fairfax County
What our customers say
From our customer reviews.
These guys were very professional. Showed up on time and completed a mold inspection on schedule.
I hired Next Day Inspect to do a mold inspection on two houses. Scheduling was easy.
I got the results of my mold inspection in a reasonable timeframe. No issues.
Polite, knowledgeable, friendly Quick results for just an air mold test
Booking service was easy. The technician was friendly and efficient. Recommend for mold testing.
How much does mold testing cost in Fairfax?
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 Fairfax homes
For mold testing in Fairfax, describe the precise concern: a damp basement after a sump failure, a stain below a bathroom, persistent odor, or visible growth. Identify which rooms were wet and whether materials were dried or replaced.
Bring repair records and the approximate dates of water entry. We can inspect accessible areas, discuss the limits of hidden spaces and recommend a sampling scope suited to the concern. For a rental or condominium, arrange access and clarify whether shared areas are included.
01
Drainage beside foundations
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
Sump pumps and drainage
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
Crawlspace ground cover
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.
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 mold testing in Virginia
Tell us which room or unit is affected, what you can see or smell, and the history of any water entry, drying or repairs. Ask which package includes the evaluation or laboratory samples needed for your question. If you need a report for a sale or repair deadline, confirm appointment options and expected laboratory turnaround with the office before relying on that date.
Mold testing near Fairfax
Mold testing in Fairfax, answered straight
Can you test a rental property in Fairfax for me?
Yes. We can discuss a visit for an owner, landlord or tenant in Fairfax, subject to the necessary access arrangements. A report records observations within the agreed scope, with laboratory findings when samples are collected. Independence from remediation avoids that sales conflict, but does not guarantee that another party or a housing authority will accept a particular conclusion.
Which option should I book if I do not know where the mold is?
Mold Walk & Talk is a thirty-minute consultation without laboratory sampling. If testing is performed during that visit, the visit is billed as Mold Plus. Mold Plus includes moisture and limited thermal evaluation for one area of concern; additional-area and sample fees may apply. Describe the rooms, odor and leak history before booking so the selected scope fits the question.
Our sump pump failed and the basement got wet. How long do we have?
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.
Is a home evaluation enough, or do I need a separate mold test?
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.
Book a mold test in Fairfax
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NextDay Inspect
46179 Westlake Dr, Ste 200, Sterling, VA 20165
(703) 450-6398