Lamar, IN Radon Mitigation and Testing

Q: What EPA Radon Zone is Lamar in?

Lamar is in Spencer County, EPA Zone 2.

Q: How much does radon mitigation cost in Lamar?

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

Spencer County

EPA Zone 2

This Spencer County community in southern Indiana (47550) sits on Ohio River valley sediments and underlying limestone that can produce variable radon levels throughout the region. Testing data for Lamar remains limited, underscoring the importance of individual home assessment for residents. The area's rural character includes scattered properties with older construction, many featuring partial basements where radon entry and accumulation can occur.

Lamar, IN Radon Mitigation

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

Lamar, IN Radon Testing

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

Lamar Radon Facts

Key details about the radon risk profile for Lamar and the 47550 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Spencer County, IN

Zip Code

47550

Predicted Screening Level

2–4 pCi/L (Zone 2)

Lamar and the 47550 zip code are located in Spencer 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 Lamar, IN

What EPA Radon Zone is Lamar in?

Lamar and the 47550 zip code are in Spencer 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 Lamar?

Radon mitigation in Lamar 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 Lamar?

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