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Radon testing

Radon Testing in Owings Mills, MD

A continuous monitor on the lowest level that could be used regularly, read every hour for at least 48 hours. The written result comes the day we collect it.

4.9 rating, over 4,000 reviews NRSB-certified technicians Serving Baltimore County

Schedule a radon test Call (703) 450-6398

What our customers say

From our Google reviews.

The whole experience was amazing! Everything was handled so professionally, quickly and so easy to have our house tested for radon.

Was professional and friendly and provided us with immediate information about our radon test. I would highly recommend this company.

How much does radon testing cost in Owings Mills?

A radon test in Owings Mills is $185, or $175 when it is added to a home inspection. That is the whole price: both visits, the monitor for the full 48 hours, and the written report with every hourly reading in it. The standard residential rate covers one Owings Mills dwelling. Book online or call with the unit, entry procedure and scope when the address includes multiple residences.

Day 1

Drop-off

We place the monitor

A technician places it on the lowest level that could be used regularly, following EPA placement limits and the intended use of the space, inside a two-hour arrival window. With a home inspection, placement happens during the inspection visit.

48 hours

The house stays closed

The monitor does the work

For a short-term real-estate test, EPA guidance calls for closed-building conditions for at least 12 hours before the test and throughout the measurement. Windows stay closed, exterior doors open only for normal entry and exit, and the monitor logs hourly readings that help document the test conditions during the minimum 48-hour measurement.

Day 3

Pick-up and report

We collect it, read it, and write it up

A technician picks the monitor up in another two-hour window and pulls the full record on the spot. The written report reaches you the same day.

NRSB-certified technicians. Our own team, certified by the National Radon Safety Board, not a subcontractor.

EPA testing guidance. Placement, closed-house conditions and the 48-hour minimum follow it, and your average is read against the EPA action level of 4.0 pCi/L.

Continuous monitors. Airthings Corentium Pro instruments, logging every hour for the whole test.

Appointment times are requests until our team confirms them. What the number means, how to prepare the property and the eight questions everyone asks are on the radon testing page; this page is about Owings Mills.

Radon testing for Owings Mills homes and condos

A Baltimore County radon-zone map cannot establish the indoor level of an Owings Mills house, townhouse or condo. Test the particular residence involved in the decision. Tell the technician about the lowest room used or suitable for regular occupancy, including a basement bedroom, office or family room planned after purchase. In a managed building, identify the private unit; a nearby condo or shared-area reading does not measure that dwelling.

Give the full Owings Mills address, building and unit number if needed, and an authorized contact for monitor placement and collection. Confirm desk, elevator, gate or key procedures for both visits. The device stays undisturbed for at least 48 hours while occupants follow closed-house instructions. If showings, moving or repairs could affect the test room, choose dates that protect the measurement and allow time for the written report before a contract deadline.

Radon testing guidance: Maryland Department of Health radon guidance, EPA radon-zone map guidance, EPA guide for home buyers and sellers.

Aerial view of a suburban neighborhood with a school and sports fields

Your own home's result

A county zone or neighboring unit cannot measure this residence.

Lower-room plans

Describe a space intended for regular use after purchase.

Managed access

Arrange building entry for setup and pickup.

Where we test in Owings Mills, and what to tell us

New Town
For an apartment or condo, give the exact private unit and entry contact.
Owings Mills Reserve and Lyonswood
For a house, explain basement use and any future plans.
Red Run
Coordinate a manager, tenant or agent for both visits.

We only perform testing, not mitigation.

We do not install radon systems, so we have nothing to gain from your number. If the result is at or above the EPA action level of 4.0 pCi/L, you choose who fixes it. Once the system is in, we can test again and tell you what it reads.

Before you book in Maryland

Maryland's residential disclosure framework includes radon among the hazardous or regulated materials covered by an owner's actual knowledge for certain single-family residential property of four or fewer units. The statute has enumerated exemptions and does not itself require a radon test. County and municipal requirements may differ, so check the rules for the property's location and type before relying on an existing result.

Md. Real Property section 10-702. Current as of September 2026. General information, not legal advice.

Radon testing near Owings Mills

Nearby

Radon testing in Owings Mills, answered straight

Can another Owings Mills condo's report cover my unit?

No. Another unit's result does not establish the indoor level in your residence. Test the private unit that needs the report.

What lower room should I mention?

Tell the technician about the lowest room used or suitable for regular occupancy, including a room planned for use after purchase.

What access details does a managed building need?

Provide the building and unit number, an authorized contact, and desk or key instructions for placement and collection.

Can showings continue during a test?

Plan showings so closed-house conditions and the monitor remain undisturbed. Tell the testing team about any interruption.

Book a radon test in Owings Mills

Book online or call (703) 450-6398.

Schedule a radon test Request a price

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