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Brewster, NY Radon Levels

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


Brewster, NY Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Putnam County, NY
Zip Code 10509
Avg. User Level 6.00 pCi/L
User Tests 3

Nestled in Putnam County within the New York City metro area, Brewster has recorded an average radon level of 5.0 pCi/L, which exceeds the EPA action threshold of 4.0 pCi/L. Built on glacial deposits over metamorphic bedrock in the Hudson Highlands, homes in zip code 10509 require radon mitigation attention. The area's EPA Zone 1 classification reflects the high radon potential from underlying geological formations.

6.00
pCi/L average
Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Brewster, NY. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Brewster, NY Radon Mitigation

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

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Brewster, NY Radon Levels

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

Radon LevelCityHome AgeFoundation
8 pCi/L Brewster, NY 21-50 Years Full Basement
6 pCi/L Brewster, NY 0-20 Years Full Basement
4 pCi/L Brewster, NY 21-50 Years Partial Basement

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

Radon FAQ for Brewster, NY

What is the average radon level in Brewster, NY?
Based on 3 user-submitted tests, the average radon level in Brewster is 6.00 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 Brewster in?
Brewster and the 10509 zip code are in Putnam 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 Brewster?
Radon mitigation in Brewster 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 Brewster?
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