Hempstead, NY Radon Levels
Check local Hempstead radon levels and find certified testing and mitigation professionals to keep your home safe
Hempstead, NY Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Nassau County, NY
Zip Code
11550
Based in Nassau County within the New York City Metro area, Hempstead sits on Long Island where glacial deposits and underlying sedimentary rock create variable radon conditions across different neighborhoods. Testing data for this suburban community is currently limited, making individual home testing particularly important given the area's dense housing development. Long Island's geological diversity means radon levels can vary significantly even within the same zip code area.
Hempstead, 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 Hempstead?
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1-800-299-3578
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Radon FAQ for Hempstead, NY
What EPA Radon Zone is Hempstead in?
Hempstead and the 11550 zip code are in Nassau 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 Hempstead?
Radon mitigation in Hempstead 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 Hempstead?
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 |