East Setauket, NY Radon Mitigation and Testing

Q: What EPA Radon Zone is East Setauket in?

East Setauket is in Suffolk County, EPA Zone 3.

Q: How much does radon mitigation cost in East Setauket?

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

Suffolk County

EPA Zone 3

Located in Suffolk County on Long Island within the New York City Metro area, East Setauket sits on glacial deposits that generally produce lower radon levels typical of EPA Zone 3. The community features a mix of mid-century suburban homes and newer developments, with foundation types varying from full basements to crawl spaces and slabs. Although testing data for zip code 11733 remains limited, homeowners should still consider radon testing as geological conditions can vary locally.

East Setauket, NY Radon Mitigation

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

East Setauket, NY Radon Testing

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

East Setauket Radon Facts

Key details about the radon risk profile for East Setauket and the 11733 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Suffolk County, NY

Zip Code

11733

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

East Setauket and the 11733 zip code are located in Suffolk 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 East Setauket, NY

What EPA Radon Zone is East Setauket in?

East Setauket and the 11733 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 East Setauket?

Radon mitigation in East Setauket 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 East Setauket?

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