Carlisle, PA Radon Mitigation and Testing

Q: What is the average radon level in Carlisle, PA?

Based on 3 user-submitted tests, the average radon level is 11.30 pCi/L.

Q: What EPA Radon Zone is Carlisle in?

Carlisle is in Cumberland County, EPA Zone 1.

Q: How much does radon mitigation cost in Carlisle?

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

Avg: 11.30 pCi/L

Cumberland County

EPA Zone 1

3 user tests

Located in Cumberland County within Pennsylvania's limestone-rich Cumberland Valley, Carlisle's diverse housing stock spans historic properties to modern developments. Testing data reveals an alarming average of 11.33 pCi/L, nearly three times the EPA action level, making professional radon mitigation essential for residents across zip codes 17013 and 17015.

11.30

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Carlisle, PA Radon Mitigation

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

Carlisle, PA Radon Testing

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

Carlisle, Pennsylvania Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
9 pCi/L	Carlisle, PA	21-50 Years	Full Basement	Jan 2025
20 pCi/L	Carlisle, PA	0-20 Years	Full Basement	Mar 2023
5 pCi/L	Carlisle, PA	21-50 Years	Full Basement	Mar 2020

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

Carlisle Radon Facts

Key details about the radon risk profile for Carlisle and the 17013 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Cumberland County, PA

Zip Code

17013

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

11.30 pCi/L

User Tests Submitted

Carlisle and the 17013 zip code are located in Cumberland 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 Carlisle, PA

What is the average radon level in Carlisle, PA?

Based on 3 user-submitted tests, the average radon level in Carlisle is 11.30 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 Carlisle in?

Carlisle and the 17013 zip code are in Cumberland 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 Carlisle?

Radon mitigation in Carlisle 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 Carlisle?

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 Pennsylvania

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

City	Avg User Radon Level	Submissions
State College	10.00 pCi/L	14
Chambersburg	10.14 pCi/L	7
Easton	12.33 pCi/L	6
Butler	12.40 pCi/L	5
Dingmans Ferry	5.80 pCi/L	5
Hanover	14.00 pCi/L	4
Mechanicsburg	13.75 pCi/L	4
Greenville	10.75 pCi/L	4
Pittsburgh	9.25 pCi/L	4
Albrightsville	9.00 pCi/L	4
Philadelphia	8.00 pCi/L	4
Lackawaxen	15.33 pCi/L	3
York	11.67 pCi/L	3
Elizabethtown	9.67 pCi/L	3
Johnstown	7.33 pCi/L	3
West Chester	6.67 pCi/L	3
Danville	5.67 pCi/L	3
Springfield	5.67 pCi/L	3
East Stroudsburg	5.00 pCi/L	3
Langhorne	4.67 pCi/L	3