Riverdale, NJ Radon Mitigation and Testing

Q: What EPA Radon Zone is Riverdale in?

Riverdale is in Morris County, EPA Zone 1.

Q: How much does radon mitigation cost in Riverdale?

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

Morris County

EPA Zone 1

Nestled in the Pequannock River valley of Morris County, Riverdale sits on glacial deposits and underlying bedrock that contribute to elevated radon potential throughout northern New Jersey. This residential community features predominantly single-family homes from the mid-1900s onward, most with full basements typical of the New York City Metro area's suburban development. Given the limited testing data for zip code 07457, homeowners should prioritize radon testing, especially considering the geological conditions common throughout Morris County.

Riverdale, NJ Radon Mitigation

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

Riverdale, NJ Radon Testing

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

Riverdale Radon Facts

Key details about the radon risk profile for Riverdale and the 07457 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Morris County, NJ

Zip Code

07457

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Riverdale and the 07457 zip code are located in Morris 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 Riverdale, NJ

What EPA Radon Zone is Riverdale in?

Riverdale and the 07457 zip code are in Morris 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 Riverdale?

Radon mitigation in Riverdale 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 Riverdale?

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