Plainfield, IN Radon Mitigation and Testing

Q: What EPA Radon Zone is Plainfield in?

Plainfield is in Hendricks County, EPA Zone 1.

Q: How much does radon mitigation cost in Plainfield?

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

Hendricks County

EPA Zone 1

Positioned in Hendricks County southwest of Indianapolis, Plainfield (46168) sits over glacial deposits and limestone bedrock common to central Indiana. Current radon testing data for this growing suburban community remains limited, providing little insight into local radon levels. Indiana's geological conditions often contribute to elevated radon, making testing particularly important for homes with the basement foundations prevalent in this area.

Plainfield, IN Radon Mitigation

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

Plainfield, IN Radon Testing

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

Plainfield Radon Facts

Key details about the radon risk profile for Plainfield and the 46168 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Hendricks County, IN

Zip Code

46168

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Plainfield and the 46168 zip code are located in Hendricks 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 Plainfield, IN

What EPA Radon Zone is Plainfield in?

Plainfield and the 46168 zip code are in Hendricks 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 Plainfield?

Radon mitigation in Plainfield 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 Plainfield?

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