Littlestown, PA Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 9.00 pCi/L.

Q: What EPA Radon Zone is Littlestown in?

Littlestown is in Adams County, EPA Zone 1.

Q: How much does radon mitigation cost in Littlestown?

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

Avg: 9.00 pCi/L

Adams County

EPA Zone 1

1 user test

Littlestown is located in Adams County, Pennsylvania. With 1 user-submitted readings averaging 9.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 17340 zip code.

9.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Littlestown, PA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Littlestown, PA Radon Mitigation

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

Littlestown, PA Radon Testing

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

Littlestown, Pennsylvania Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
9 pCi/L	Littlestown, PA	21-50 Years	Full Basement	Oct 2025

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

Littlestown Radon Facts

Key details about the radon risk profile for Littlestown and the 17340 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Adams County, PA

Zip Code

17340

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

9.00 pCi/L

User Tests Submitted

Littlestown and the 17340 zip code are located in Adams 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 Littlestown, PA

What is the average radon level in Littlestown, PA?

Based on 1 user-submitted test, the average radon level in Littlestown is 9.00 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 Littlestown in?

Littlestown and the 17340 zip code are in Adams 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 Littlestown?

Radon mitigation in Littlestown 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 Littlestown?

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