Pennington, NJ Radon Mitigation and Testing

Q: What is the average radon level in Pennington, NJ?

Based on 1 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is Pennington in?

Pennington is in Mercer County, EPA Zone 1.

Q: How much does radon mitigation cost in Pennington?

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

Avg: 4.00 pCi/L

Mercer County

EPA Zone 1

1 user test

Part of the Trenton Metro area in Mercer County, Pennington shows an average radon level of 4.0 pCi/L based on limited testing data. This reading sits right at the EPA action threshold, indicating some homes may exceed recommended levels while others fall within acceptable ranges. Given New Jersey's variable radon potential throughout the Piedmont region, expanded testing would provide homeowners with better risk assessment data.

4.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Pennington, NJ Radon Mitigation

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

Pennington, NJ Radon Testing

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

Pennington, New Jersey Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Pennington, NJ	21-50 Years	Full Basement	May 2024

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

Pennington Radon Facts

Key details about the radon risk profile for Pennington and the 08534 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Mercer County, NJ

Zip Code

08534

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

Pennington and the 08534 zip code are located in Mercer 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 Pennington, NJ

What is the average radon level in Pennington, NJ?

Based on 1 user-submitted test, the average radon level in Pennington is 4.00 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 Pennington in?

Pennington and the 08534 zip code are in Mercer 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 Pennington?

Radon mitigation in Pennington 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 Pennington?

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 New Jersey

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

City	Avg User Radon Level	Submissions
Cherry Hill	6.44 pCi/L	9
Hillsborough	6.14 pCi/L	7
Freehold	10.50 pCi/L	6
Marlboro	6.17 pCi/L	6
Bernardsville	7.00 pCi/L	5
Phillipsburg	7.00 pCi/L	5
Edison	5.60 pCi/L	5
Princeton	5.40 pCi/L	5
Sussex	9.75 pCi/L	4
Piscataway	6.75 pCi/L	4
Caldwell	5.00 pCi/L	4
Atlantic Highlands	4.75 pCi/L	4
West Orange	4.00 pCi/L	4
Basking Ridge	3.75 pCi/L	4
Hackettstown	3.75 pCi/L	4
Livingston	3.25 pCi/L	4
Nutley	3.25 pCi/L	4
Sicklerville	7.00 pCi/L	3
Clifton	6.00 pCi/L	3
Westfield	6.00 pCi/L	3