Dumfries, VA Radon Mitigation and Testing

Q: What EPA Radon Zone is Dumfries in?

Dumfries is in Prince William County, EPA Zone 2.

Q: How much does radon mitigation cost in Dumfries?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Prince William County

EPA Zone 2

Part of the Washington Metro area in Prince William County, Dumfries spans multiple zip codes including 22025 where radon testing data is currently limited. This historic community sits within EPA Zone 2, reflecting moderate radon potential from the region's Coastal Plain geology. Homeowners should test their properties given the area's mix of older colonial-era homes and modern suburban developments.

Dumfries, VA Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Dumfries, VA Radon Testing

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Dumfries Radon Facts

Key details about the radon risk profile for Dumfries and the 22025 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Prince William County, VA

Zip Code

22025

Predicted Screening Level

2–4 pCi/L (Zone 2)

Dumfries and the 22025 zip code are located in Prince William County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Dumfries, VA

What EPA Radon Zone is Dumfries in?

Dumfries and the 22025 zip code are in Prince William County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Dumfries?

Radon mitigation in Dumfries typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Dumfries?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in Virginia

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Fredericksburg	7.29 pCi/L	7
King George	7.17 pCi/L	6
Leesburg	9.80 pCi/L	5
Chantilly	9.60 pCi/L	5
Fancy Gap	9.40 pCi/L	5
Purcellville	10.75 pCi/L	4
Aldie	8.00 pCi/L	4
Front Royal	7.75 pCi/L	4
Bristol	7.50 pCi/L	4
Winchester	7.00 pCi/L	4
Williamsburg	5.75 pCi/L	4
Lovettsville	5.25 pCi/L	4
Woodbridge	4.50 pCi/L	4
Fairfax	9.67 pCi/L	3
Stafford	9.33 pCi/L	3
Louisa	8.33 pCi/L	3
Linden	7.67 pCi/L	3
Warrenton	7.67 pCi/L	3
Burke	5.67 pCi/L	3
Lynchburg	5.33 pCi/L	3