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Radon testing
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
A radon test in Perry Hall 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 listed service price covers one Perry Hall residence. Another apartment, accessory dwelling or shared community room is outside that booking until authorization and pricing are reviewed.
Day 1
Drop-off
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
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
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 Perry Hall.
EPA assigns Baltimore County to radon Zone 1 while explaining that elevated homes can occur in every zone. The map is not a test result for a Perry Hall residence and should not replace an indoor measurement. Identify the lowest level that could be used regularly, including a future bedroom, office or recreation room. The technician considers the specific layout, avoids unsuitable airflow or disturbance, and confirms the location for the single household being evaluated.
Baltimore County's parks directory identifies Perry Hall as a county community served by recreation and park facilities when checked September 10, 2026. That directory supports community identity only; it does not characterize local housing, construction or radon. Send the exact service address and explain whether it is a detached residence, attached home or individual unit. Mention a separately occupied lower area or restricted entrance because those details affect scope and access, not because of the directory listing.
Local background: Baltimore County parks directory for Perry Hall community identity, checked September 10, 2026, Maryland Department of Health radon guidance, EPA Map of Radon Zones and map limits.
01
Confirm parking, call-box, desk and elevator steps for setup and collection. Supply an authorized contact if the technician cannot enter from a lockbox alone.
02
Explain lower rooms, walkout doors and future occupancy plans at the booked residence. The measurement level follows those confirmed details rather than an area assumption.
03
Finish nearby cleaning, repairs and deliveries before placement. Keep children, pets and vendors away from the equipment during the minimum 48-hour interval.
Where we test in Perry Hall, and what to tell us
Honeygo Village
At Honeygo Village, give the unit number and building-entry instructions when requesting service. The technician must be able to return through the same controlled entrance.
Gunpowder, Chapel Hill
Near Gunpowder or Chapel Hill, describe the home's actual lowest usable room rather than drawing conclusions from the community name. Placement remains property specific.
Perry Hall Farms, Seven Courts
For Perry Hall Farms or Seven Courts, keep the selected area free from repairs and moving activity. Occupants should know why the monitor cannot be shifted.
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.
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.
It identifies Perry Hall as a county community served by recreation and park facilities. It supplies no housing classification and no information about a residence’s indoor radon.
Provide the building and unit, parking directions, entry code or desk procedure, elevator hours and a contact authorized for both visits. Include any management device rule.
Clear the room, finish repair work and explain its planned regular use to the technician. Maintain the instructed closed-building conditions after the device is placed.
Do not reset or relocate it. Note the approximate time and what the pet did, keep the area secure afterward, and give that account to the technician.
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
