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Harriman, NY Radon Levels

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


Harriman, NY Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Orange County, NY
Zip Code 10926

Set in Orange County within the Hudson Valley region, Harriman sits on complex geological formations including granite and metamorphic rock that can influence radon levels. The community's housing reflects suburban development patterns with homes from multiple eras, many featuring full basements typical of New York construction standards. With limited testing data available for zip code 10926, homeowners are encouraged to test their properties given the area's varied geological conditions.

Harriman, 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 Harriman?

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Radon FAQ for Harriman, NY

What EPA Radon Zone is Harriman in?
Harriman and the 10926 zip code are in Orange 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 Harriman?
Radon mitigation in Harriman 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 Harriman?
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