Port Washington, NY Radon Mitigation and Testing

Q: What EPA Radon Zone is Port Washington in?

Port Washington is in Nassau County, EPA Zone 3.

Q: How much does radon mitigation cost in Port Washington?

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

Located on Long Island's North Shore in Nassau County within the New York City Metro, Port Washington sits on glacial deposits and coastal sediments. Testing data for zip code 11050 remains sparse, though the area's diverse housing stock from early 20th century to modern construction warrants individual testing. Long Island's geological conditions and foundation variations can create surprisingly different radon levels even within the same neighborhood.

Port Washington, NY Radon Mitigation

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

Port Washington, NY Radon Testing

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

Port Washington Radon Facts

Key details about the radon risk profile for Port Washington and the 11050 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Nassau County, NY

Zip Code

11050

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Port Washington and the 11050 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 Port Washington, NY

What EPA Radon Zone is Port Washington in?

Port Washington and the 11050 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 Port Washington?

Radon mitigation in Port Washington 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 Washington?

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