Top 5 Radon Hotspots in the New York City Metro Area
Cities with the highest average user-submitted radon readings in the New York City Metro metropolitan area.
| Rank | City | Avg. Radon Level | Tests |
|---|---|---|---|
| 1 | Brooklyn |
10.80 pCi/L
|
5 |
| 2 | Brewster |
6.00 pCi/L
|
3 |
| 3 | Yorktown Heights |
5.30 pCi/L
|
3 |
| 4 | Staten Island |
4.00 pCi/L
|
3 |
| 5 | Putnam Valley |
11.50 pCi/L
|
2 |
Other Metro Areas in New York
Explore radon data for other metropolitan regions across the state.
Cities in the New York City Metro Area
41 cities and towns in the New York City Metro metropolitan area with user-submitted radon data.
41 cities
Holmes
Zone 1
14.0
pCi/L
Above EPA action level
Putnam Valley
Zone 1
11.5
pCi/L
Above EPA action level
Brooklyn
Zone 1
10.8
pCi/L
Above EPA action level
Stony Point
Zone 1
10.0
pCi/L
Above EPA action level
New York
Zone 1
9.0
pCi/L
Above EPA action level
Peekskill
Zone 1
9.0
pCi/L
Above EPA action level
Ridge
Zone 1
9.0
pCi/L
Above EPA action level
Yonkers
Zone 1
8.0
pCi/L
Above EPA action level
Armonk
Zone 1
8.0
pCi/L
Above EPA action level
Carmel
Zone 1
8.0
pCi/L
Above EPA action level
Levittown
Zone 1
8.0
pCi/L
Above EPA action level
Melville
Zone 1
8.0
pCi/L
Above EPA action level
Rockville Centre
Zone 1
8.0
pCi/L
Above EPA action level
West Harrison
Zone 1
8.0
pCi/L
Above EPA action level
Mount Vernon
Zone 1
7.0
pCi/L
Above EPA action level
Larchmont
Zone 1
7.0
pCi/L
Above EPA action level
New City
Zone 1
7.0
pCi/L
Above EPA action level
Brewster
Zone 1
6.0
pCi/L
Above EPA action level
Bronx
Zone 1
6.0
pCi/L
Above EPA action level
Hopewell Junction
Zone 1
6.0
pCi/L
Above EPA action level
Yorktown Heights
Zone 1
5.3
pCi/L
Above EPA action level
New Rochelle
Zone 1
5.0
pCi/L
Above EPA action level
East Hampton
Zone 1
5.0
pCi/L
Above EPA action level
Holtsville
Zone 1
5.0
pCi/L
Above EPA action level
Locust Valley
Zone 1
5.0
pCi/L
Above EPA action level
Roslyn Heights
Zone 1
5.0
pCi/L
Above EPA action level
Hastings On Hudson
Zone 1
4.5
pCi/L
Above EPA action level
Staten Island
Zone 3
4.0
pCi/L
Below EPA action level
Bedford Hills
Zone 3
4.0
pCi/L
Below EPA action level
Cutchogue
Zone 3
4.0
pCi/L
Below EPA action level
Mohegan Lake
Zone 3
4.0
pCi/L
Below EPA action level
Pearl River
Zone 3
4.0
pCi/L
Below EPA action level
Rosedale
Zone 3
4.0
pCi/L
Below EPA action level
Thiells
Zone 3
4.0
pCi/L
Below EPA action level
White Plains
Zone 3
4.0
pCi/L
Below EPA action level
Huntington
Zone 3
3.5
pCi/L
Below EPA action level
Croton On Hudson
Zone 3
3.0
pCi/L
Below EPA action level
Pelham
Zone 3
3.0
pCi/L
Below EPA action level
Garden City
Zone 3
2.0
pCi/L
Below EPA action level
Cortlandt Manor
Zone 3
1.0
pCi/L
Below EPA action level
Great Neck
Zone 3
1.0
pCi/L
Below EPA action level
Radon Mitigation Professionals Serving the New York City Metro Area
Licensed contractors who serve this metro area.
| Company | |
|---|---|
| Hudson Valley Environmental & Construction | |
| M&M Environmental | |
| Partner Engineering and Science Inc | |
| Poseidon Home Inspections LLC | |
| Precision Environmental Inc | |
| Reveal Home Inspections | |
| RTCA | |
| SWAT Environmental | |
| Your House Your Home Inspection Company |
Frequently Asked Questions about Radon in the New York City Metro Area
Common questions about radon testing, mitigation costs, and health risks for homeowners in the New York City Metro metropolitan area.
Why are radon levels so high in the New York City Metro area?
Radon levels in the New York City Metro area are driven by the local soil and bedrock composition, which contains naturally occurring uranium. As uranium decays, it produces radon gas that migrates upward through the soil and enters homes through foundation cracks, sump pits, and gaps around pipes. Homes with basements and crawlspaces are especially susceptible because these below-grade spaces are in direct contact with the soil where radon concentrations are highest.
How much does radon mitigation cost in New York City Metro?
Professional radon mitigation in the New York City Metro metropolitan area typically costs between $800 and $2,500, depending on the size and construction of your home. The most common approach is an active sub-slab depressurization system, which a certified contractor can usually install in a single day. Ongoing energy costs for the mitigation fan are minimal—roughly $5–$10 per month—and most systems reduce radon levels by 90% or more.
Are landlords in New York required to test for radon?
Radon testing and disclosure requirements vary by state and municipality. Some New York jurisdictions require landlords to disclose known radon levels or test results, while others have no mandate. Regardless of local law, the EPA recommends radon testing for all residential properties—including rentals—since radon is the second leading cause of lung cancer in the United States.
Can I sell a house with high radon levels in the New York City Metro area?
Yes. High radon levels do not prevent a home sale, but buyers in the New York City Metro market routinely request radon testing during the inspection period. If levels exceed 4.0 pCi/L, the buyer may negotiate for the seller to install a mitigation system before closing. Having a radon mitigation system already in place can actually be a selling point, demonstrating proactive home maintenance and providing documented proof of safe indoor air quality.