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Valparaiso, IN Radon Levels

Check local Valparaiso radon levels and find certified testing and mitigation professionals to keep your home safe


Valparaiso, IN Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Porter County, IN
Zip Code 46383
Avg. User Level 10.00 pCi/L
User Tests 3

Situated in Porter County within the Chicago metropolitan area, Valparaiso shows an average radon level of 10.0 pCi/L based on local testing data. This reading significantly exceeds the EPA action level of 4.0 pCi/L, reflecting the area's glacial till geology and uranium-bearing bedrock that characterizes much of northwestern Indiana. Residents in zip codes 46383 and 46385 should prioritize radon testing and mitigation, especially in homes with full basements common to this region.

10.00
pCi/L average
Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Valparaiso, IN. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Valparaiso, IN Radon Mitigation

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Valparaiso, IN Radon Levels

User-submitted radon test readings from homes in the Valparaiso area.

Radon LevelCityHome AgeFoundation
6 pCi/L Valparaiso, IN 0-20 Years Full Basement
15 pCi/L Valparaiso, IN 100+ Years Partial Basement
9 pCi/L Valparaiso, IN 0-20 Years Full Basement

Have a radon test result for Valparaiso? Submit your reading to help other homeowners.

Radon FAQ for Valparaiso, IN

What is the average radon level in Valparaiso, IN?
Based on 3 user-submitted tests, the average radon level in Valparaiso is 10.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Valparaiso in?
Valparaiso and the 46383 zip code are in Porter 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 Valparaiso?
Radon mitigation in Valparaiso 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 Valparaiso?
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 in Indiana with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Bloomington 8.14 pCi/L 7
Kokomo 7.40 pCi/L 5
Lafayette 15.00 pCi/L 3
Valparaiso 10.00 pCi/L 3
Westfield 6.33 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