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      Brooklyn, NY Radon Levels

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

      Brooklyn, NY Radon Facts

      EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
      County Kings County, NY
      Zip Code 11201
      Avg. User Level 10.80 pCi/L
      User Tests 5

      New York City's most populous borough in Kings County shows an average radon level of 10.8 pCi/L based on testing data, significantly exceeding the EPA's 4.0 pCi/L action threshold. The borough's dense urban environment over glacial deposits and bedrock creates variable radon conditions, with readings ranging from 2.0 to 20.0 pCi/L across different neighborhoods in zip code 11201. Given these elevated and variable readings, all Brooklyn residents should test their properties regardless of building age or type.

      10.80
      pCi/L average
      Above EPA Action Level

      Based on 5 user-submitted radon tests for homes in Brooklyn, NY. The EPA recommends taking action at or above 4.0 pCi/L.

      0
      4.0 EPA
      10+

      Brooklyn, NY Radon Mitigation

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

      Need Radon Mitigation or Testing in Brooklyn?

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      Brooklyn, NY Radon Levels

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

      Radon LevelCityHome AgeFoundation
      4 pCi/L Brooklyn, NY 100+ Years —
      2 pCi/L Brooklyn, NY 100+ Years Full Basement
      16 pCi/L Brooklyn, NY 21-50 Years Full Basement
      20 pCi/L Brooklyn, NY 0-20 Years Full Basement
      12 pCi/L Brooklyn , NY 51-99 Years Full Basement

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

      Radon FAQ for Brooklyn, NY

      What is the average radon level in Brooklyn, NY?
      Based on 5 user-submitted tests, the average radon level in Brooklyn is 10.80 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 Brooklyn in?
      Brooklyn and the 11201 zip code are in Kings County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.
      How much does radon mitigation cost in Brooklyn?
      Radon mitigation in Brooklyn 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 Brooklyn?
      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 York

      Cities in New York with the most user-submitted radon test data, ranked by number of submissions.

      CityAvg User Radon LevelSubmissions
      Brooklyn 10.80 pCi/L 5
      Oneonta 6.50 pCi/L 4
      Clifton Park 3.75 pCi/L 4
      Elmira 15.00 pCi/L 3
      Saugerties 10.67 pCi/L 3
      Staten Island 4.00 pCi/L 3
      New York 9.00 pCi/L 2
      Yonkers 8.00 pCi/L 2
      Horseheads 7.50 pCi/L 2
      Poughkeepsie 16.00 pCi/L 1

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      Free Radon Mitigation Quote

      Or call for a free quote: 1-800-299-3578

      A licensed contractor will contact you immediately.

      * Required