Mount Vernon, NY Radon Mitigation and Testing

Q: What is the average radon level in Mount Vernon, NY?

Based on 2 user-submitted tests, the average radon level is 7.00 pCi/L.

Q: What EPA Radon Zone is Mount Vernon in?

Mount Vernon is in Westchester County, EPA Zone 3.

Q: How much does radon mitigation cost in Mount Vernon?

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

Avg: 7.00 pCi/L

Westchester County

EPA Zone 3

2 user tests

Bordering the Bronx in Westchester County, Mount Vernon's urban environment shows elevated radon readings averaging 7.0 pCi/L — significantly above EPA action levels. Despite being part of the densely developed New York City Metro area, the community's mix of early-20th-century housing and underlying metamorphic bedrock creates conditions where radon accumulates. Residents across zip codes 10550, 10552, and 10553 should prioritize testing and mitigation in their multilevel homes.

7.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Mount Vernon, NY. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Mount Vernon, NY Radon Mitigation

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

Mount Vernon, NY Radon Testing

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

Mount Vernon, New York Radon Levels

User-submitted radon test readings from homes in the Mount Vernon area.

Radon Level	City	Home Age	Foundation	Submitted
7 pCi/L	Mount Vernon, NY	51-99 Years	Full Basement	Sep 2021
7 pCi/L	Mount Vernon, NY	21-50 Years	Full Basement	Jun 2018

Have a radon test result for Mount Vernon? Submit your reading to help other homeowners.

Mount Vernon Radon Facts

Key details about the radon risk profile for Mount Vernon and the 10550 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Westchester County, NY

Zip Code

10550

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

7.00 pCi/L

User Tests Submitted

Mount Vernon and the 10550 zip code are located in Westchester 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 Mount Vernon, NY

What is the average radon level in Mount Vernon, NY?

Based on 2 user-submitted tests, the average radon level in Mount Vernon is 7.00 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 Mount Vernon in?

Mount Vernon and the 10550 zip code are in Westchester 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 Mount Vernon?

Radon mitigation in Mount Vernon 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 Mount Vernon?

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