Home/Mold Testing/Montgomery County/Bethesda, MD

Mold testing

Mold Testing in Bethesda, MD

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 Montgomery County

Schedule a mold test Call (703) 450-6398

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 Bethesda?

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 Bethesda homes

For mold testing in Bethesda, identify the affected room and whether it is in a detached house, rebuilt property, condominium, or rental. A basement odor, roof stain, and shared-plumbing leak call for different access and sampling questions. Tell us what you can see or smell and whether water has actually entered this property.

Bring the dates of roof, window, plumbing, or foundation leaks and the records of drying, waterproofing, and repairs. In a rebuilt house, share photographs or builder records for covered areas. In a condominium, arrange permission if a common roof or neighboring unit is part of the concern. Our technician can evaluate accessible moisture conditions and discuss whether a targeted sample would answer your question.

Bethesda Row streetscape

01

Mature canopy and gutter load

Shaded walls may dry differently from exposed walls. Overflowing gutters and downspout discharge are useful observations when a concern appears after rainfall.

02

Basement walls behind finishes

Basement finishes can hide the face of a foundation. Describe prior leaks and waterproofing so a non-invasive evaluation can clearly explain its limitations.

03

Deep lower levels in new builds

A large lower level may remain humid even when the thermostat is satisfied. Discuss persistent humidity with a qualified HVAC professional when the observations point to conditioning.

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 Maryland

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.

EPA: Is sampling for mold necessary?

Mold testing in Bethesda, answered straight

Which mold service fits one Bethesda basement odor?

Describe the room, water history, and current odor. The office can help choose a focused visit, moisture evaluation, or targeted sample.

Can you assess a Bethesda condominium unit?

Yes. Identify the affected unit and floor. Common roofs, plumbing, and neighboring spaces need separate permission and a confirmed scope.

Does a recent rebuild rule out mold?

No. Current water damage or a persistent indoor sign matters more than the construction date. Bring builder and repair records.

Should I test before or after repairs?

If possible, document the concern before materials are covered or removed. Share photographs and the repair timeline when booking.

Book a mold test in Bethesda

Start scheduling your Bethesda mold test online, or request a price to discuss the right testing package.

Schedule a mold test Request a price

NextDay Inspect
46179 Westlake Dr, Ste 200, Sterling, VA 20165
(703) 450-6398

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