Franklin Square, NY Radon Levels

Q: What EPA Radon Zone is Franklin Square in?

Franklin Square is in Nassau County, EPA Zone 3.

Q: How much does radon mitigation cost in Franklin Square?

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

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

Franklin Square, NY Radon Facts

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

County Nassau County, NY

Zip Code 11010

Franklin Square on Long Island in Nassau County sits within the New York City Metro area on glacial deposits over sedimentary bedrock. While testing data for zip code 11010 is currently limited, the area falls within EPA Zone 3 where radon levels are typically lowest. Long Island's predominantly slab-on-grade and shallow basement construction, combined with sandy soils, generally results in lower radon accumulation potential.

Franklin Square, 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 Franklin Square, NY

What EPA Radon Zone is Franklin Square in?

Franklin Square and the 11010 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 Franklin Square?

Radon mitigation in Franklin Square 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 Franklin Square?

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