Islip, NY Radon Levels

Q: What EPA Radon Zone is Islip in?

Islip is in Suffolk County, EPA Zone 3.

Q: How much does radon mitigation cost in Islip?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

Islip, NY Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Suffolk County, NY

Zip Code 11751

Situated in Suffolk County on Long Island's south shore within the New York City metro area, Islip sits atop glacial outwash deposits and coastal plain sediments. While testing data remains limited for this community in zip code 11751, Long Island's varied geological formations make radon testing a reasonable precaution. The area features diverse housing stock from historic homes to modern suburban developments.

Islip, NY Radon Mitigation

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

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Radon FAQ for Islip, NY

What EPA Radon Zone is Islip in?

Islip and the 11751 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 Islip?

Radon mitigation in Islip 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 Islip?

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