Commack, NY Radon Mitigation and Testing

Q: What EPA Radon Zone is Commack in?

Commack is in Suffolk County, EPA Zone 3.

Q: How much does radon mitigation cost in Commack?

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

This Long Island community in Suffolk County is part of the New York City Metro area, situated over glacial deposits and coastal plain sediments. Commack's predominantly post-1950s suburban housing features split-level and ranch-style homes, many with partial basements or crawl spaces that can trap radon gas migrating from the subsurface. While local radon data for zip code 11725 is currently limited, homeowners should test given Long Island's documented radon variability.

Commack, NY Radon Mitigation

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

Commack, NY Radon Testing

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

Commack Radon Facts

Key details about the radon risk profile for Commack and the 11725 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Suffolk County, NY

Zip Code

11725

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Commack and the 11725 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 Commack, NY

What EPA Radon Zone is Commack in?

Commack and the 11725 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 Commack?

Radon mitigation in Commack 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 Commack?

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