Richmond Hill, NY Radon Mitigation and Testing

Q: What EPA Radon Zone is Richmond Hill in?

Richmond Hill is in Queens County, EPA Zone 3.

Q: How much does radon mitigation cost in Richmond Hill?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Queens County

EPA Zone 3

Situated in Queens County as part of New York City's diverse urban landscape, Richmond Hill features predominantly older multi-family housing stock with varied foundation types. Testing data for zip code 11418 remains limited, though the area's dense urban development and basement prevalence warrant homeowner attention to radon levels. Individual testing remains the best approach to determine radon risk in this neighborhood.

Richmond Hill, NY Radon Mitigation

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

Richmond Hill, NY Radon Testing

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

Richmond Hill Radon Facts

Key details about the radon risk profile for Richmond Hill and the 11418 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Queens County, NY

Zip Code

11418

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Richmond Hill and the 11418 zip code are located in Queens 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 Richmond Hill, NY

What EPA Radon Zone is Richmond Hill in?

Richmond Hill and the 11418 zip code are in Queens 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 Richmond Hill?

Radon mitigation in Richmond Hill 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 Richmond Hill?

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