Brentwood, NY Radon Levels
Check local Brentwood radon levels and find certified testing and mitigation professionals to keep your home safe
Brentwood, NY Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Suffolk County, NY
Zip Code
11717
Established in Suffolk County on Long Island within the New York City metro area, Brentwood sits on glacial outwash deposits over bedrock formations typical of the region. With limited radon testing data available for zip code 11717, homeowners should conduct professional testing to determine their exposure levels. The area's diverse housing stock, from post-war ranch homes to newer developments, can show varying radon accumulation patterns.
Brentwood, 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 Brentwood?
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Radon FAQ for Brentwood, NY
What EPA Radon Zone is Brentwood in?
Brentwood and the 11717 zip code are in Suffolk 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 Brentwood?
Radon mitigation in Brentwood 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 Brentwood?
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.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| 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 |