Home/Mold Testing/Washington, DC
Mold testing
Mold Testing in Washington, DC
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 Washington, DC
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 Washington?
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."
$425
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."
$575
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 $630
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 Washington DC. Additional sample, area and consultation-time charges are shown above.
Where moisture can hide in Washington homes
For mold testing in Washington, DC, identify the affected room and whether it is in a rowhouse, English basement, condominium, apartment, or detached home. A lower-level odor, ceiling stain, and shared-wall leak need different access. Describe the current sign and any actual water event at the booked property rather than assuming a source from the building type.
Bring dates and photographs of roof, window, plumbing, foundation, or appliance leaks and records of drying and repairs. In a rental, identify the unit and keep written notices and work orders; in a condominium, coordinate permission for common areas if they are in scope. Our technician can assess accessible moisture conditions and discuss whether targeted sampling would answer your question. For a housing complaint or regulated assessment, confirm the required professional scope before booking.
01
Cellar conversions
A converted cellar can have moisture from drainage, plumbing or indoor humidity. Start with the location and timing of the concern rather than assuming a particular remedy.
02
Party walls
A party wall may make access to a suspected source difficult. Coordinate with the responsible parties; a sample in one property cannot establish conditions throughout another.
03
Flat and low-slope rowhouse roofs
On a low-slope roof, a leak can travel before it appears indoors. Repair records and the position of ceiling stains help guide further investigation.
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 Washington, DC
Tell us which room or unit is affected, what you can see or smell, and the history of water entry, drying and repairs. For a rental concern, keep written notice and work orders. DC law requires a residential owner who receives a tenant’s written or electronic notice of mold or suspected mold to inspect within seven days and remediate within thirty days of inspection, unless a shorter period is ordered. DOB handles housing-code enforcement; DOEE licenses mold professionals. Confirm any required licensed-professional scope with the office before booking a regulatory assessment.
D.C. Code § 8-241.04; DOEE tenant mold guidance; DOB housing inspections. General information, not legal advice.
Mold testing near Washington
Mold testing in Washington, answered straight
Can a DC tenant arrange mold testing in one apartment?
Yes, subject to lawful access and a confirmed scope. Identify the unit, affected room, written notice, and repair history. Shared spaces or other units need separate permission.
Which service fits a damp Washington English basement?
Describe actual water entry, current odor or staining, and which rooms are affected. The office can help choose a focused visit, moisture evaluation, or targeted sample.
Who handles unresolved rental-housing mold complaints in DC?
The DC Department of Buildings handles housing-code inspection and enforcement. DOEE licenses mold professionals. Keep written notices and repair records, and consult the linked official guidance for the current process.
How do I confirm the professional needed for a DC mold assessment?
Tell the office the purpose and scope of the visit before booking. If the work requires a DOEE-licensed mold professional, confirm the assigned person’s current license and the applicable requirements with DOEE.
Book a mold test in Washington
Start scheduling online, or request a price to discuss the right mold testing package for your property.
Schedule a mold test Request a price
NextDay Inspect
46179 Westlake Dr, Ste 200, Sterling, VA 20165
(703) 450-6398