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      Stewartsville, NJ Radon Levels

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

      Stewartsville, NJ Radon Facts

      EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
      County Warren County, NJ
      Zip Code 08886
      Avg. User Level 10.50 pCi/L
      User Tests 2

      Situated in northwestern New Jersey's Warren County, Stewartsville has documented radon levels averaging 8.33 pCi/L, more than double the EPA action guideline. This Allentown Metro community in zip code 08886 sits on Precambrian bedrock formations known for elevated radon production. Given the consistently high readings, immediate professional radon testing and mitigation are essential for all area homes.

      10.50
      pCi/L average
      Above EPA Action Level

      Based on 2 user-submitted radon tests for homes in Stewartsville, NJ. The EPA recommends taking action at or above 4.0 pCi/L.

      0
      4.0 EPA
      10+

      Stewartsville, NJ Radon Mitigation

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

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      Stewartsville, NJ Radon Levels

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

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

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

      Radon FAQ for Stewartsville, NJ

      What is the average radon level in Stewartsville, NJ?
      Based on 2 user-submitted tests, the average radon level in Stewartsville is 10.50 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 Stewartsville in?
      Stewartsville and the 08886 zip code are in Warren 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 Stewartsville?
      Radon mitigation in Stewartsville 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 Stewartsville?
      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

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      Free Radon Mitigation Quote

      Or call for a free quote: 1-800-299-3578 Local: 732-979-2523

      A licensed contractor will contact you immediately.

      * Required