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Radon testing

Radon Testing in Stafford County, VA

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 all of Stafford County

Schedule a radon test Call (703) 450-6398 Find your community

What our customers say

From our customer reviews.

They conducted the test right away and kept me informed every step of the way.

They arrived the day after I called, on time, set up the Radon test and left within 5 minutes.

Everything was handled so professionally, quickly and so easy to have our house tested for radon.

They found elevated radon in the home and numerous issues on the home inspection report which were remedied before I moved in.

Great service, very thorough inspection and highlighted items in a very approachable and organized manner.

Where we test in Stafford County

One community in the county has a page of its own with local detail. The test, the price and the technicians are the same across the county, so you can book from either page.

  • Stafford

    Stafford County says it remained mostly rural until Interstate 95 was built in the late 1960s.

Stafford County and the independent City of Fredericksburg are separate jurisdictions. Provide the complete property address before County background is applied.

How much does radon testing cost in Stafford County?

A radon test in Stafford County 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. One residence is included in the standard service. List any additional dwelling, unit or address so the team can confirm the total.

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.

National Radon Safety Board

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 Stafford County.

What the ground does under Stafford County homes

EPA's county data places Stafford County in Zone 1. That is an area screening category, not a reading for a Stafford address or a statement that every property will measure the same way. Testing the individual residence supplies the property-specific result.

Plan the measurement from the Stafford County address, the individual residence and its lowest level that could be used regularly. The Stafford link is the county's local route. Fredericksburg is an independent city with a separate page, so confirm the jurisdiction when a nearby mailing address is unclear.

Local background: EPA Map of Radon Zones raw county data, EPA Map of Radon Zones guidance, Stafford local source.

A red brick colonial-era house with a Civil War-era cannon displayed on the lawn, surrounded by bare winter trees

01

Stafford's Zone 1 row is not an address reading

The EPA category describes county-level potential. It cannot replace a measurement inside the particular Stafford County property.

02

Stafford's growth history does not date one house

The County says major growth followed Interstate 95 construction in the late 1960s. Use that as county history, then verify the selected property's own details.

03

Coordinate both access visits

Name the person who can admit the technician for placement and collection, and make sure occupants understand when closed conditions begin.

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 Virginia

Virginia's residential disclosure statute directs the seller's disclosure statement to say that the owner makes no representation about whether the property is in an EPA Zone 1 or Zone 2 locality. It directs buyers to use due diligence, including reviewing EPA, Virginia Department of Health and NRSB information and ordering a radon inspection before settlement as the contract allows.

Va. Code section 55.1-703. Current as of September 2026. General information, not legal advice.

Radon testing in Stafford County, answered straight

What does EPA Zone 1 mean for a Stafford County address?

It means EPA placed the County in its highest area-potential category. The label does not predict an individual result, so use the measurement made inside the residence.

Is Fredericksburg included in Stafford County's radon category?

The independent City of Fredericksburg is outside Stafford County. Check the full property address before using County background, and base the testing decision on the individual residence.

Which Stafford County level should I describe before testing?

Point out the lowest floor that could support regular occupancy, including future use of unfinished space. Explain any locked room or tenant boundary so the technician can choose a representative location within the agreed residence.

How should a Stafford seller prepare occupants for the monitoring period?

Give every occupant the closed-condition dates, explain that windows stay shut and ask them not to move or unplug the monitor. Confirm who will admit the technician for placement and collection. If an unexpected opening, contractor visit or ventilation change occurs, report it so the event can be considered with the data.

Book a radon test in Stafford County

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

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