Westchester County and Mount Vernon City property record for 252 Union Ave, Mount Vernon, NY 10550 · Last verified May 2026
| Property Type | Duplex |
|---|---|
| Lot Size | 0.11 acres (4,792 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $9,664 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 550800 169.23-3126-26 |
| Primary APN | 550800 169.23-3126-26 |
|---|---|
| Alternative APNs |
|
| Architectural Style | Duplex Single |
|---|---|
| Lot Area | 4,792 sqft (0.11 acres) |
| Account Number | 088450 |
|---|---|
| Street Address | 252 UNION AVE |
| City | MOUNT VERNON |
| State | NY |
| Zip | 10550-3605 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Block | 3126 |
| Legal Lot Number | 26.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MOUNT VERNON |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 3200 |
Source: Westchester County and Mount Vernon City records · APN 550800 169.23-3126-26
Assessment roll updated May 14, 2026 · Last verified May 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 252 UNION AVE, MOUNT VERNON, NY 10550-3605 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Jun 08, 2026 |
Source: Westchester County and Mount Vernon City records · Assessment roll updated May 14, 2026 · Last verified May 2026
| Type | Name |
|---|---|
| State | New York |
| County | Westchester County |
| Municipality | Mount Vernon City |
| Unified School District | Mount Vernon School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $9,664.00 | $9,500 (-) Land $2,500 Building $7,000 | $527,778 (+6.67%) Land $138,889 Building $388,889 |
| 2024 | Homeowner's exemption Senior Citizen's exemption | $9,500 (-) Land $2,500 Building $7,000 | $494,791 (-10.94%) Land $130,208 Building $364,583 |
| 2023 | $9,500 Land $2,500 Building $7,000 | $555,556 Land $146,199 Building $409,357 |
Source: FEMA National Flood Hazard Layer, Westchester County (36119C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361190032002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Claims | 2 (2012–2021) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Aug 2021, rainfall accumulation, Hurricane Henri |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 839 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Verizon | Fiber | 2,300 / 2,300 |
| Spectrum | Cable | 1,000 / 1,000 |
May also be available at this address: T-Mobile USA, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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