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Bernardsville, NJ Radon Levels

Check local Bernardsville radon levels and find certified testing and mitigation professionals to keep your home safe


Bernardsville, NJ Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Somerset County, NJ
Zip Code 07924
Avg. User Level 7.80 pCi/L
User Tests 4

Bernardsville in Somerset County reports an average radon level of 7.0 pCi/L, significantly exceeding the EPA action threshold based on 5 local tests ranging from 4.0 to 14.0 pCi/L. This affluent New York metro community sits in the Watchung Mountains where Triassic sandstone and shale bedrock, combined with well-built homes featuring full basements, create conditions that trap radon gas. Properties in the 07924 zip code should prioritize professional radon mitigation given these elevated readings.

7.80
pCi/L average
Above EPA Action Level

Based on 4 user-submitted radon tests for homes in Bernardsville, NJ. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Bernardsville, NJ Radon Mitigation

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

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Bernardsville, NJ Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Bernardsville, NJ 51-99 Years Full Basement
9 pCi/L Bernardsville, NJ 100+ Years Full Basement
14 pCi/L Bernardsville, NJ 100+ Years Full Basement
4 pCi/L bernardsville, NJ 100+ Years Full Basement

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

Radon FAQ for Bernardsville, NJ

What is the average radon level in Bernardsville, NJ?
Based on 4 user-submitted tests, the average radon level in Bernardsville 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 Bernardsville in?
Bernardsville and the 07924 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 Bernardsville?
Radon mitigation in Bernardsville 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 Bernardsville?
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 in New Jersey with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
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