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Radon testing

Radon Testing in Annapolis, 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 Anne Arundel 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 Annapolis?

A radon test in Annapolis 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 quoted residential service covers one Annapolis dwelling. Provide parking, unit and access details for both waterfront and downtown locations. When street parking or special events could delay access, establish a meeting point and backup contact for each appointment.

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 Annapolis.

Radon testing for Annapolis homes and condos

Maryland health officials recommend testing homes because a statewide map cannot tell you the radon level of an Annapolis property. That applies to a downtown house, an Eastport townhouse and a condo alike. The important details are the exact residence and the lowest room that could be used regularly. Tell the technician about a lower bedroom, office or family room, including one a buyer plans to use after the sale.

An Annapolis test includes monitor placement, at least 48 hours of measurement and collection. Provide the full address and an authorized contact for both visits. If a condo has controlled entry or a downtown building includes more than one dwelling, identify the specific unit before booking. Residents should follow closed-house instructions and avoid repairs or moving activity near the device. Share a purchase deadline early enough to allow for the written report.

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

Annapolis rooftops and the Maryland State House dome

One residence at a time

Specify the Annapolis house or unit that needs a result.

Use the actual layout

A lower room planned for regular use matters more than a neighborhood label.

Keep conditions steady

Arrange access and leave the monitor undisturbed for at least 48 hours.

Where we test in Annapolis, and what to tell us

Downtown Annapolis
In a building with multiple dwellings, identify the exact unit and entry route.
Eastport
For a townhouse, describe any lower room suitable for regular use.
Murray Hill
Coordinate occupants and repair work before monitor placement.

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 Annapolis

Nearby

Radon testing in Annapolis, answered straight

Does a waterfront Annapolis address change the need to test?

No. An address or neighborhood cannot establish indoor radon level. A test in the actual home provides the useful result.

Can one test cover two Annapolis apartments?

A standard appointment is for one residence. Tell us about every separate unit that needs a result so scope, access and price can be confirmed.

What is needed for an Annapolis condo appointment?

Provide the building and unit number, any desk or elevator instructions, and someone authorized to admit the technician on both visits.

Can renovation continue during a radon test?

Work that disturbs the monitor or required testing conditions can affect the measurement. Discuss ongoing repairs before placement so the appointment can be timed appropriately.

Book a radon test in Annapolis

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