Franklin Square, NY Radon Mitigation and Testing

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.

Nassau County

EPA Zone 3

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.

Franklin Square, NY Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Franklin Square Radon Facts

Key details about the radon risk profile for Franklin Square and the 11010 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Nassau County, NY

Zip Code

11010

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Franklin Square and the 11010 zip code are located in Nassau County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

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 with the most user-submitted radon test data in the state.

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
Buffalo	4.00 pCi/L	1
Pelham	3.00 pCi/L	1