Somerset, NJ Radon Mitigation and Testing

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

Based on 2 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is Somerset in?

Somerset is in Somerset County, EPA Zone 1.

Q: How much does radon mitigation cost in Somerset?

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

Somerset County

EPA Zone 1

2 user tests

Part of the New York City Metro area in Somerset County, Somerset sits where Triassic basin sediments create moderate radon potential across central New Jersey. Recent testing reveals an average of 4.0 pCi/L, exactly at the EPA action threshold, indicating the need for ongoing monitoring. The 08873 community features diverse housing from townhomes to single-family residences, many with full basements where radon can concentrate.

4.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Somerset, NJ. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Somerset, NJ Radon Mitigation

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

Somerset, NJ Radon Testing

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

Somerset, New Jersey Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Somerset, NJ	21-50 Years	Full Basement	Aug 2025

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

Somerset Radon Facts

Key details about the radon risk profile for Somerset and the 08873 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Somerset County, NJ

Zip Code

08873

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

Somerset and the 08873 zip code are located in Somerset 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 Somerset, NJ

What is the average radon level in Somerset, NJ?

Based on 2 user-submitted tests, the average radon level in Somerset 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 Somerset in?

Somerset and the 08873 zip code are in Somerset 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 Somerset?

Radon mitigation in Somerset 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 Somerset?

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