Port Jefferson Station, NY Radon Mitigation and Testing

Q: What EPA Radon Zone is Port Jefferson Station in?

Port Jefferson Station is in Suffolk County, EPA Zone 3.

Q: How much does radon mitigation cost in Port Jefferson Station?

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

Adjacent to Port Jefferson in Suffolk County, this Long Island community features suburban developments built over glacial outwash deposits that can affect radon accumulation patterns. Current testing data for the 11776 zip code area remains insufficient to establish clear community radon trends. Homeowners should conduct professional testing, especially given the area's mix of basement types and foundation styles common in Long Island residential construction.

Port Jefferson Station, NY Radon Mitigation

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

Port Jefferson Station, NY Radon Testing

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

Port Jefferson Station Radon Facts

Key details about the radon risk profile for Port Jefferson Station and the 11776 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Suffolk County, NY

Zip Code

11776

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Port Jefferson Station and the 11776 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 Port Jefferson Station, NY

What EPA Radon Zone is Port Jefferson Station in?

Port Jefferson Station and the 11776 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 Port Jefferson Station?

Radon mitigation in Port Jefferson Station 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 Port Jefferson Station?

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