Home/Mold Testing/Randallstown, MD

Mold testing

Mold Testing in Randallstown, 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 Baltimore County

Schedule a mold test Call (703) 450-6398

How much does mold testing cost in Randallstown?

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, with $80 added to every home-size tier. Mold Walk & Talk is $175 everywhere.

Where moisture can hide in Randallstown homes

Randallstown began as a crossroads settlement. A Maryland Historical Trust survey of the Church Lane neighborhood records that John and Christopher Randall established the crossroads in the eighteenth century, and that by 1850 the settlement held a few stores and a tavern along what became Liberty Road. The same survey describes early Church Lane dwellings as Four Squares, Cape Cods and bungalows, later surrounded by ranch and split-level houses built after mid-century. Randallstown today mixes both eras along one street.

For a house near Church Lane, identify whether it dates to the early twentieth century or to the ranch and split-level tracts built later, since the two sit on different foundations. Describe a cellar's access and any addition to the rear of an older dwelling. In a newer ranch or split-level home, note the crawlspace or slab, and whether a sump pump or French drain has been added. Along the Liberty Road corridor, tell us if the property includes a converted commercial space.

Local background: Maryland Historical Trust: Church Lane African American Survey District, Maryland Historical Trust: Choate House, Randallstown.

A gloved hand collecting a surface sample with a swab

01

Early bungalow and Four Square styles

Houses along Church Lane documented as Four Squares, Cape Cods and Craftsman bungalows have had a century to accumulate additions and repairs. Describe which decade any visible addition dates to, if known, and where a stain sits relative to the original walls versus later construction.

02

Ranch houses from the postwar expansion

Many Randallstown ranch and split-level houses were built during the same postwar expansion, so a neighbor's repair history does not describe your own foundation. Note whether your slab or crawlspace has ever taken on water and describe any recent regrading near the house.

03

Storefront apartments along the corridor

An apartment above a Liberty Road storefront may share a roof and plumbing stack with the commercial space below. Identify the building's other tenants and who is responsible for common-area repairs before booking, since a single-unit visit may not reach shared systems.

Where we test in Randallstown, and what to tell us

  • Church Lane

    In the Church Lane area, identify whether your house is one of the early Four Squares, Cape Cods or bungalows, or one of the surrounding ranch houses built later. Describe the foundation type and any addition made after the original construction.

  • The Allenswood Road area

    For a ranch or split-level house built after the mid-century expansion near Allenswood Road, identify the crawlspace or slab foundation and describe any sump pump, French drain or recent basement finishing before the visit.

  • Liberty Road

    Along Liberty Road, describe whether the building includes converted commercial space or apartments above a storefront, and who manages the roof and plumbing. A single-tenant visit may need the building owner's involvement for shared systems.

We test. We never sell you the fix.

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.

Before you book in Maryland

For a Maryland property, define the question before ordering samples: a particular stain, persistent odor, water event or follow-up after repairs. Keep dated observations and laboratory findings with the repair history. A report does not determine health risks, insurance coverage or legal responsibility. Montgomery County also publishes separate radon requirements for covered home sales; confirm which rules apply to your transaction.

EPA sampling guidance; Montgomery County radon guidance. Current as of September 2026. General information, not legal advice.

Mold testing in Randallstown, answered straight

Which service fits an older Church Lane house with a musty smell?

Start by describing whether the smell centers on one room or fills the lower level. A single defined area is often addressed with Mold Basic, and Mold Plus builds on that with a moisture and thermal evaluation of the same space. If the concern spans the whole house rather than one area, Mold Advanced is built for that broader scope.

Does a Randallstown rental above a storefront need landlord approval?

Yes, arrange access through the property owner or manager before booking, especially if shared systems like a roof or plumbing stack are involved. Describe your unit and any common areas that may need to be included. The visit can then focus on the agreed, accessible spaces.

Is an older Randallstown ranch house likely to have hidden moisture?

A house's construction era describes its materials and general layout, not whether moisture is present today. Tell us about a specific stain, odor or known water event. Sampling and moisture readings answer defined questions about the areas described, rather than certifying an entire house as clear.

Can one visit cover a house and a detached garage in Randallstown?

Describe both structures and whether the concern in the garage is separate from the concern in the house. Detached structures can often be included in the same appointment if you identify them when booking. The written scope will state clearly which spaces were evaluated and which were not.

Book a mold test in Randallstown

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

Call Schedule