Leonia, NJ Radon Mitigation and Testing

Q: What EPA Radon Zone is Leonia in?

Leonia is in Bergen County, EPA Zone 2.

Q: How much does radon mitigation cost in Leonia?

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

Bergen County

EPA Zone 2

Situated in Bergen County within the New York City metropolitan area, Leonia sits where glacial deposits over sedimentary bedrock create moderate radon potential despite its proximity to the Hudson River. The borough features predominantly early-to-mid 20th century housing stock, including many homes with full basements typical of northern New Jersey construction. With testing data currently limited for this 07605 community, homeowners should prioritize radon assessment given the county's geological characteristics.

Leonia, NJ Radon Mitigation

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

Leonia, NJ Radon Testing

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

Leonia Radon Facts

Key details about the radon risk profile for Leonia and the 07605 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Bergen County, NJ

Zip Code

07605

Predicted Screening Level

2–4 pCi/L (Zone 2)

Leonia and the 07605 zip code are located in Bergen County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Leonia, NJ

What EPA Radon Zone is Leonia in?

Leonia and the 07605 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 Leonia?

Radon mitigation in Leonia 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 Leonia?

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