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Mold testing

Mold Testing in Baltimore County, 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 all of Baltimore County

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Where we test in Baltimore County

Twelve communities across the county have a page of their own with local detail. The packages, the prices and the laboratory are the same in every one of them, so you can also book straight from here.

West County

  • Catonsville

    Bungalow and cottage streets from the old turnpike era sit blocks from newer subdivisions built well into the twentieth century.

  • Randallstown

    Older crossroads dwellings share a corridor with ranch and split-level houses raised during the postwar building years.

  • Owings Mills

    Townhouses inside planned communities share walls with newer construction rising along the commercial corridor near the highway.

  • Pikesville

    Curving streets platted for a nineteenth century summer resort now carry additions, sunrooms and garages built decades later.

  • Reisterstown

    A Main Street of older houses gives way to a resort-era village and newer subdivisions further from downtown.

  • Woodlawn

    Streetcar-era cottages and garden apartments sit alongside later subdivisions built out toward the county's western edge.

East County toward the water

  • Dundalk

    Company-built duplexes from a single wartime push stand along curved streets close to newer infill near the water.

  • Essex

    Small wartime cottages and postwar additions sit along tidal creeks where crawlspaces and bulkheads take the brunt of high water.

  • Parkville

    Older bungalows near the reservoir valley give way to newer streets built closer to the city line.

  • Perry Hall

    Homes backing wooded parkland sit alongside newer mixed-use construction and active community associations further from the tree line.

  • Towson

    Detached houses, brick rowhomes and managed condominium buildings sit within a few miles of each other near the county seat.

Baltimore City

  • Baltimore

    Formstone rowhouses, older houses split into apartments, and harbor condominium towers each carry water through the building differently.

Baltimore City is an independent city that Baltimore County borders on three sides rather than contains. It appears on this page because a Baltimore mailing address is what a homeowner searches, even when the house sits inside the county line.

How much does mold testing cost in Baltimore 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

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 Baltimore County homes

For mold testing in Baltimore County, tell us which room is affected and what happened there. A musty Catonsville basement, a stained ceiling in Towson, and a damp lower level in Essex call for different questions about leaks, drying, and access. The technician needs the property's actual observations, not a general description of the neighborhood.

Share when the stain or odor began, whether water entered after rain or a plumbing issue, and what was repaired or removed. Identify a shared wall, crawlspace, or separate unit before booking. The selected package sets the areas and services included; one sample cannot establish conditions in every hidden space.

Mold guidance: U.S. EPA on when mold sampling is useful.

Aerial view of a Baltimore County suburb with single-family houses along curving streets, mature tree cover, and a ballfield in the middle distance

01

Lower levels after water entry

For a Dundalk, Essex, or Catonsville basement, identify the wet room, timing, and materials affected. Tell us about any drying or repairs so the visit addresses the remaining concern.

02

Townhouses and shared walls

For a Towson, Owings Mills, or Reisterstown unit, describe the wall or ceiling with staining or odor and any known leak. Access to another unit or concealed shared cavity needs separate permission and scope.

03

Limited access and standing water

Mention a low crawlspace, active leak, or standing water before the appointment. Confirm which areas can be entered safely and what the selected mold package includes.

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 Baltimore County, answered straight

Do you test for mold anywhere in Baltimore County?

Yes. The same team, packages and prices cover the county from Catonsville and Randallstown in the west to Dundalk and Essex in the east, plus Towson and the communities around it. Book from any community page on this list or from here; the appointment lands with the same technicians either way.

What should I share before a Baltimore County mold visit?

Give the full address, affected room or unit, visible conditions or odor, and the history of any water entry, drying, or repairs. Mention shared spaces and access limits so the office can confirm the visit scope.

When is sampling useful for a Baltimore County mold concern?

Sampling should answer a defined question about selected areas. EPA says it is often unnecessary when mold is already visible. Describe the moisture problem first; the technician can explain whether samples would add useful information.

How do I book a visit for a Baltimore County house under contract?

Use the scheduling page to check appointment options and include the settlement date in your notes. Confirm expected lab turnaround with the office before relying on the visit for a contract deadline. Laboratory results are not guaranteed by that requested date, and the package determines whether lab work is included.

Book a mold test in Baltimore County

Real availability on the next screen. No call back required.

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

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