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Home/Mold Testing/Anne Arundel County/Arnold, MD
Mold testing
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 Anne Arundel 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
"Something feels off and I do not know if testing is worth it."
$175
30 minutes on site
One area, tested
"I can see it, or I know exactly where to look."
$345
One targeted area, 1 to 2 hours
One area, plus the source
"There was a leak and I want to know where the water went."
$495
One targeted area, 1 to 2 hours
The whole home
"It could be anywhere, or it keeps coming back."
From $550
Priced by home size, 1 to 2 hours
* 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.
Arnold occupies the Broadneck Peninsula between the Severn and Magothy rivers, and the Preservation Council's history of the community traces its name to early settler John Arnold. The Council describes scenic riversides with cliffs and beaches and counts a dozen marinas supporting one of the area's more active sailing communities. A peninsula with that much shoreline holds houses set close to tidal water alongside others well back from it, so what a lower level has been exposed to depends heavily on which side of the peninsula it sits on.
For a house in Shore Acres, Ulmstead Estates or Twin Harbors, describe any dock, bulkhead or boathouse on the property and whether the lower level has taken on water during a storm surge. In Bay Hills, tell us whether the affected room backs onto the golf course or shares a wall in a townhouse. Inland in Pleasant Plains or elsewhere on the Broadneck, identify the house's approximate age and any addition, since mature trees and older construction are common but not universal there. A recent renovation record helps regardless of which part of the peninsula the address is on.
Local background: Arnold Preservation Council: community history.
01
A boathouse, shed or other structure near the water may hold different materials and ventilation than the main house. Describe its use, how often it floods or gets damp, and whether it connects to the house by a covered walkway or shared wiring.
02
A unit facing fairway irrigation or a retention area may see different moisture patterns than one facing the street. Note sprinkler schedules, standing water after rain, and whether a neighboring unit shares the affected wall.
03
A sunroom or family room added toward the water view often has different framing and insulation than the original house. Describe when it was built and whether any staining follows storms, tide cycles or neither, and note which direction the room faces.
Where we test in Arnold, and what to tell us
Shore Acres, Ulmstead Estates, Twin Harbors
For a waterfront property, describe any dock, boathouse or bulkhead and whether storm tides have reached the lower level. Note the age of the home relative to any newer addition facing the water.
Bay Hills
For a home or townhouse near the golf club, identify whether the affected room backs onto the course or a shared wall with a neighboring unit. Irrigation and drainage patterns nearby are worth describing.
Pleasant Plains, Broadneck
On a larger inland lot, describe mature trees near the foundation, crawlspace access, and any room added since the house was built. Construction era varies widely across this part of the peninsula.
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.
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 Basic covers one targeted area, which suits a single defined room such as a lower level near the water. Mold Plus adds a moisture and thermal evaluation of that same area when the source is uncertain. Describe the room, its distance from the shoreline, and any tide or storm history, and the office can help you choose.
Not directly, since the assessment addresses the house rather than waterfront structures. It helps to describe the dock, bulkhead or boathouse and whether storm surge has reached the yard or foundation. That history gives useful context for interpreting what the technician observes inside the home.
Yes, describe the addition separately from the original house, including its approximate age and how it connects to the roof and foundation. A stain at the seam between old and new construction often has a different explanation than one in the middle of an original room. Photographs of the exterior junction are useful.
Mention it if the affected room faces the course or a drainage area, since irrigation and standing water nearby can be relevant context. It does not change which package fits your concern. Describe the room, any visible staining, and whether the issue appears after watering or after rain.
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
