Port Washington, NY Radon Levels

Q: What is the average radon level in Port Washington, NY?

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

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.

Check local Port Washington radon levels and find certified testing and mitigation professionals to keep your home safe

Port Washington, NY Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Nassau County, NY

Zip Code 11050

Avg. User Level 5.00 pCi/L

User Tests 1

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.

5.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Port Washington, NY. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Port Washington, NY Radon Mitigation

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Port Washington, NY Radon Levels

User-submitted radon test readings from homes in the Port Washington area.

Radon Level	City	Home Age	Foundation
5 pCi/L	Port Washington, NY	100+ Years	Full Basement

Have a radon test result for Port Washington? Submit your reading to help other homeowners.

Radon FAQ for Port Washington, NY

What is the average radon level in Port Washington, NY?

Based on 1 user-submitted test, the average radon level in Port Washington is 5.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

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 in New York with the most user-submitted radon test data, ranked by number of submissions.

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

Port Washington, NY Radon Levels

Check local Port Washington radon levels and find certified testing and mitigation professionals to keep your home safe

Port Washington, NY Radon Facts

Port Washington, NY Radon Mitigation

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Port Washington, NY Radon Levels

Radon FAQ for Port Washington, NY

Most Active Radon Markets in New York

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