Saint James, NY Radon Mitigation and Testing

Q: What EPA Radon Zone is Saint James in?

Saint James is in Suffolk County, EPA Zone 3.

Q: How much does radon mitigation cost in Saint James?

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

Positioned on Long Island in Suffolk County, Saint James benefits from EPA Zone 3 classification indicating lower radon potential typical of coastal New York areas. However, testing data for the 11780 zip code within the broader New York City Metro remains limited for analysis. Long Island's sandy soils and proximity to the Atlantic Ocean generally reduce radon accumulation, though individual homes with basements or unique geological features may still warrant professional testing.

Saint James, NY Radon Mitigation

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

Saint James, NY Radon Testing

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

Saint James Radon Facts

Key details about the radon risk profile for Saint James and the 11780 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Suffolk County, NY

Zip Code

11780

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Saint James and the 11780 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 Saint James, NY

What EPA Radon Zone is Saint James in?

Saint James and the 11780 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 Saint James?

Radon mitigation in Saint James 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 Saint James?

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