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Mahwah, NJ Radon Levels

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


Mahwah, NJ Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Bergen County, NJ
Zip Code 07430
Avg. User Level 5.30 pCi/L
User Tests 3

Positioned in Bergen County within the New York City metropolitan area, Mahwah's location along the Ramapo Mountains creates geological conditions where radon can accumulate. Recent testing reveals an average radon level of 5.33 pCi/L, exceeding the EPA action level and indicating that many homes may benefit from mitigation systems. The community's diverse housing stock, ranging from mid-century developments to modern subdivisions, shows radon readings that vary significantly from 3.0 to 7.0 pCi/L.

5.30
pCi/L average
Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Mahwah, NJ. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Mahwah, NJ Radon Mitigation

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Mahwah, NJ Radon Levels

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

Radon LevelCityHome AgeFoundation
3 pCi/L Mahwah, NJ 21-50 Years Full Basement
7 pCi/L Mahwah, NJ 21-50 Years Full Basement
6 pCi/L Mahwah, NJ 0-20 Years Full Basement

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

Radon FAQ for Mahwah, NJ

What is the average radon level in Mahwah, NJ?
Based on 3 user-submitted tests, the average radon level in Mahwah is 5.30 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 Mahwah in?
Mahwah and the 07430 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 Mahwah?
Radon mitigation in Mahwah 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 Mahwah?
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