Leon, VA Radon Mitigation and Testing

Q: What EPA Radon Zone is Leon in?

Leon is in Madison County, EPA Zone 2.

Q: How much does radon mitigation cost in Leon?

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

Madison County

EPA Zone 2

Found in Madison County within Virginia's Piedmont region, Leon is situated where crystalline bedrock and residual soils create moderate radon potential. The area's housing stock includes historic farmhouses and newer rural construction, with many properties featuring partial basements and crawl space foundations. With testing information limited for this 22725 community, professional radon assessment is recommended for all residential properties.

Leon, VA Radon Mitigation

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

Leon, VA Radon Testing

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

Leon Radon Facts

Key details about the radon risk profile for Leon and the 22725 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Madison County, VA

Zip Code

22725

Predicted Screening Level

2–4 pCi/L (Zone 2)

Leon and the 22725 zip code are located in Madison 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 Leon, VA

What EPA Radon Zone is Leon in?

Leon and the 22725 zip code are in Madison 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 Leon?

Radon mitigation in Leon 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 Leon?

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