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Armonk, NY Radon Levels

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


Armonk, NY Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Westchester County, NY
Zip Code 10504
Avg. User Level 8.00 pCi/L
User Tests 1

Positioned in Westchester County as part of the New York City Metro area, Armonk has recorded an average radon level of 8.0 pCi/L, which significantly exceeds the EPA action threshold of 4.0 pCi/L. The community's location on bedrock geology typical of the Hudson Valley region contributes to elevated radon potential in zip code 10504. Homes in this area should be tested and likely require radon mitigation systems to reduce indoor concentrations.

8.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Armonk, NY Radon Mitigation

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Armonk, NY Radon Levels

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

Radon LevelCityHome AgeFoundation
8 pCi/L Armonk, NY 21-50 Years No Basement/All Slab

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

Radon FAQ for Armonk, NY

What is the average radon level in Armonk, NY?
Based on 1 user-submitted test, the average radon level in Armonk is 8.00 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 Armonk in?
Armonk and the 10504 zip code are in Westchester 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 Armonk?
Radon mitigation in Armonk 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 Armonk?
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