Uniondale, NY Radon Mitigation and Testing

Q: What EPA Radon Zone is Uniondale in?

Uniondale is in Nassau County, EPA Zone 3.

Q: How much does radon mitigation cost in Uniondale?

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

Situated in Nassau County within the New York City Metro area, Uniondale sits on Long Island's glacial outwash plains where sandy soils typically create lower radon potential compared to upstate regions. Testing submissions for zip code 11553 are currently sparse, though the area's dense suburban development warrants professional radon testing for homeowner peace of mind. The community's predominantly post-war housing stock features mainly slab and basement foundations typical of Long Island construction.

Uniondale, NY Radon Mitigation

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

Uniondale, NY Radon Testing

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

Uniondale Radon Facts

Key details about the radon risk profile for Uniondale and the 11553 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Nassau County, NY

Zip Code

11553

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Uniondale and the 11553 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 Uniondale, NY

What EPA Radon Zone is Uniondale in?

Uniondale and the 11553 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 Uniondale?

Radon mitigation in Uniondale 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 Uniondale?

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