Sullivan, IN Radon Mitigation and Testing

Q: What EPA Radon Zone is Sullivan in?

Sullivan is in Sullivan County, EPA Zone 2.

Q: How much does radon mitigation cost in Sullivan?

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

Sullivan County

EPA Zone 2

Sullivan serves as the county seat of Sullivan County in EPA Zone 2, where Indiana's glacial soils and underlying bedrock create moderate radon potential throughout the region. The community features a mix of historic downtown homes and newer residential areas, many with full basements typical of Midwest construction. Testing data remains limited for zip codes 47864 and 47882, making individual radon testing important for establishing baseline exposure levels.

Sullivan, IN Radon Mitigation

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

Sullivan, IN Radon Testing

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

Sullivan Radon Facts

Key details about the radon risk profile for Sullivan and the 47864 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Sullivan County, IN

Zip Code

47864

Predicted Screening Level

2–4 pCi/L (Zone 2)

Sullivan and the 47864 zip code are located in Sullivan 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 Sullivan, IN

What EPA Radon Zone is Sullivan in?

Sullivan and the 47864 zip code are in Sullivan 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 Sullivan?

Radon mitigation in Sullivan 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 Sullivan?

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 Indiana

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

City	Avg User Radon Level	Submissions
Bloomington	8.14 pCi/L	7
Kokomo	7.40 pCi/L	5
Lafayette	15.00 pCi/L	3
Valparaiso	10.00 pCi/L	3
Avon	6.00 pCi/L	3
West Lafayette	10.50 pCi/L	2
Dyer	9.50 pCi/L	2
Columbus	7.50 pCi/L	2
Noblesville	7.00 pCi/L	2
Westfield	7.00 pCi/L	2
Fishers	6.50 pCi/L	2
Corydon	6.00 pCi/L	2
Warsaw	5.50 pCi/L	2
Indianapolis	4.00 pCi/L	2
Newburgh	8.00 pCi/L	1
Logansport	7.00 pCi/L	1
Terre Haute	5.00 pCi/L	1
Muncie	4.00 pCi/L	1
Brownsburg	No submissions	0