Dunn Loring, VA Radon Mitigation and Testing

Q: What EPA Radon Zone is Dunn Loring in?

Dunn Loring is in Fairfax County, EPA Zone 1.

Q: How much does radon mitigation cost in Dunn Loring?

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

Fairfax County

EPA Zone 1

This Fairfax County community in Northern Virginia sits within the Washington Metro area where piedmont geology over crystalline bedrock can create variable radon conditions. Testing data for zip code 22027 is currently limited, encouraging residents to conduct professional radon assessments. The area's predominantly suburban housing stock, built primarily from the 1950s onward, includes both basement and slab-on-grade homes that can experience different radon accumulation patterns.

Dunn Loring, VA Radon Mitigation

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

Dunn Loring, VA Radon Testing

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

Dunn Loring Radon Facts

Key details about the radon risk profile for Dunn Loring and the 22027 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Fairfax County, VA

Zip Code

22027

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Dunn Loring and the 22027 zip code are located in Fairfax County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Dunn Loring, VA

What EPA Radon Zone is Dunn Loring in?

Dunn Loring and the 22027 zip code are in Fairfax County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Dunn Loring?

Radon mitigation in Dunn Loring 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 Dunn Loring?

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