Frankfort, KY Radon Mitigation and Testing

Q: What is the average radon level in Frankfort, KY?

Based on 5 user-submitted tests, the average radon level is 7.80 pCi/L.

Q: What EPA Radon Zone is Frankfort in?

Frankfort is in Franklin County, EPA Zone 1.

Q: How much does radon mitigation cost in Frankfort?

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

Avg: 7.80 pCi/L

Franklin County

EPA Zone 1

5 user tests

Kentucky's capital city in Franklin County shows an average radon level of 9.83 pCi/L based on 6 test submissions, significantly exceeding the EPA's 4.0 pCi/L action threshold. Located within both the Lexington and Louisville metro areas, Frankfort's 40601 and 40621 zip codes sit atop limestone bedrock formations that contribute to elevated radon production throughout the region. The city's mix of historic government buildings and residential neighborhoods with basements creates conditions where radon can accumulate to concerning levels, making testing and mitigation essential for local homeowners.

7.80

pCi/L average

Above EPA Action Level

Based on 5 user-submitted radon tests for homes in Frankfort, KY. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Frankfort, KY Radon Mitigation

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

Frankfort, KY Radon Testing

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

Frankfort, Kentucky Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Frankfort, KY	21-50 Years	Full Basement	Aug 2025
6 pCi/L	Frankfort, KY	51-99 Years	Full Basement	Nov 2024
14 pCi/L	Frankfort, KY	51-99 Years	Full Basement	Jan 2021
9 pCi/L	Frankfort, KY	21-50 Years	No Basement/All Crawl Space	Oct 2020

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

Frankfort Radon Facts

Key details about the radon risk profile for Frankfort and the 40601 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Franklin County, KY

Zip Code

40601

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

7.80 pCi/L

User Tests Submitted

Frankfort and the 40601 zip code are located in Franklin 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 Frankfort, KY

What is the average radon level in Frankfort, KY?

Based on 5 user-submitted tests, the average radon level in Frankfort is 7.80 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 Frankfort in?

Frankfort and the 40601 zip code are in Franklin 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 Frankfort?

Radon mitigation in Frankfort 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 Frankfort?

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 Kentucky

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

City	Avg User Radon Level	Submissions
Bowling Green	15.80 pCi/L	5
Lexington	8.40 pCi/L	5
Frankfort	7.80 pCi/L	5
Florence	5.40 pCi/L	5
Owensboro	5.33 pCi/L	3
Union	4.67 pCi/L	3
Brandenburg	11.50 pCi/L	2
Harrodsburg	9.00 pCi/L	2
Louisville	5.50 pCi/L	2
Campbellsville	11.00 pCi/L	1