Dahlgren, VA Radon Mitigation and Testing

Q: What EPA Radon Zone is Dahlgren in?

Dahlgren is in King George County, EPA Zone 3.

Q: How much does radon mitigation cost in Dahlgren?

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

King George County

EPA Zone 3

Located in King George County in northern Virginia, Dahlgren sits on Coastal Plain sediments where radon levels are typically moderate but can vary significantly by location. With testing data limited for ZIP code 22448, residents should consider professional assessment given the area's proximity to the Potomac River and mixed geological conditions. The community's combination of military housing and civilian homes may show different radon patterns based on construction era.

Dahlgren, VA Radon Mitigation

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

Dahlgren, VA Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Dahlgren Radon Facts

Key details about the radon risk profile for Dahlgren and the 22448 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

King George County, VA

Zip Code

22448

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Dahlgren and the 22448 zip code are located in King George County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Dahlgren, VA

What EPA Radon Zone is Dahlgren in?

Dahlgren and the 22448 zip code are in King George County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Dahlgren?

Radon mitigation in Dahlgren 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 Dahlgren?

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