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Allendale, NJ Radon Levels

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


Allendale, NJ Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Bergen County, NJ
Zip Code 07401

Nestled in Bergen County within the New York metropolitan area, Allendale features upscale suburban development built over New Jersey's varied geological formations including glacial deposits and bedrock that can influence radon levels. This affluent community in zip code 07401 consists primarily of single-family homes built from the mid-20th century onward, many with full basements typical of northern New Jersey construction. While comprehensive radon testing data for Allendale is not yet available, residents should consider regular testing given New Jersey's moderate radon potential and the prevalence of basement-level living spaces.

Allendale, NJ Radon Mitigation

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

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Radon FAQ for Allendale, NJ

What EPA Radon Zone is Allendale in?
Allendale and the 07401 zip code are in Bergen County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Allendale?
Radon mitigation in Allendale 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 Allendale?
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