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Sussex, NJ Radon Levels

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


Sussex, NJ Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Sussex County, NJ
Zip Code 07461
Avg. User Level 10.20 pCi/L
User Tests 5

Sussex in northern New Jersey's Sussex County shows an average radon level of 9.75 pCi/L from 4 tests, well above the EPA action level and reflecting the area's EPA Zone 1 classification. The region's Precambrian bedrock and glacial history, combined with many homes featuring full basements, creates ideal conditions for radon accumulation. Residents should prioritize testing and mitigation given these consistently elevated readings.

10.20
pCi/L average
Above EPA Action Level

Based on 5 user-submitted radon tests for homes in Sussex, NJ. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Sussex, NJ Radon Mitigation

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

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Sussex, NJ Radon Levels

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

Radon LevelCityHome AgeFoundation
3 pCi/L Sussex, NJ 21-50 Years Partial Basement
4 pCi/L Sussex, NJ 51-99 Years Full Basement
14 pCi/L Sussex, NJ 21-50 Years Full Basement
18 pCi/L Sussex, NJ 21-50 Years Full Basement

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

Radon FAQ for Sussex, NJ

What is the average radon level in Sussex, NJ?
Based on 5 user-submitted tests, the average radon level in Sussex is 10.20 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 Sussex in?
Sussex and the 07461 zip code are in Sussex 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 Sussex?
Radon mitigation in Sussex 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 Sussex?
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