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Maplewood, NJ Radon Levels

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


Maplewood, NJ Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Essex County, NJ
Zip Code 07040
Avg. User Level 4.00 pCi/L
User Tests 1

Maplewood in Essex County shows an average radon level of 4.0 pCi/L based on available testing data, right at the EPA action threshold. This New York City metro community's proximity to the Watchung Mountains and underlying Triassic bedrock creates geological conditions that warrant attention from homeowners. Testing remains essential for properties in zip code 07040, as individual homes can vary significantly from area averages.

4.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Maplewood, NJ. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Maplewood, NJ Radon Mitigation

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

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Maplewood, NJ Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Maplewood, NJ 100+ Years Full Basement

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

Radon FAQ for Maplewood, NJ

What is the average radon level in Maplewood, NJ?
Based on 1 user-submitted test, the average radon level in Maplewood is 4.00 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 Maplewood in?
Maplewood and the 07040 zip code are in Essex 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 Maplewood?
Radon mitigation in Maplewood 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 Maplewood?
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