Westchester County and Mount Vernon City property record for 421 S 3rd Ave, Mount Vernon, NY 10550 · Last verified May 2026
| Property Type | Duplex |
|---|---|
| Lot Size | 0.12 acres (5,227 sqft) |
| Owner | Company Name on File |
| Last Sale | $73,000 (Sep 1996) |
| Tax Bill | $13,431 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 550800 169.31-3116-28 |
| Primary APN | 550800 169.31-3116-28 |
|---|---|
| Alternative APNs |
|
| Architectural Style | Duplex Single |
|---|---|
| Lot Area | 5,227 sqft (0.12 acres) |
| Account Number | 085460 |
|---|---|
| Street Address | 421 S 3RD AVE |
| City | MOUNT VERNON |
| State | NY |
| Zip | 10550-4507 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Subdivision | VILLAGE OF MOUNT VERNON |
| Legal Block | 3116 |
| Legal Lot Number | 28.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MOUNT VERNON |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 2700 |
Source: Westchester County and Mount Vernon City records · APN 550800 169.31-3116-28
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 | Company Name on File |
|---|---|
| Mailing Address | 421 S 3RD AVE, MOUNT VERNON, NY 10550-4507 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 04, 1996 · Amount on Record |
| Deed Sale | Sep 04, 1996 · Amount on Record |
| Deed Book / Page | 11517 / 305 |
| Last Transfer Date | Dec 09, 2003 |
| Transfer Doc | 0041950942 |
| 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, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $13,431.00 | $8,200 (-) Land $2,000 Building $6,200 | $455,555 (+6.67%) Land $111,111 Building $344,444 |
| 2024 | $8,200 (-) Land $2,000 Building $6,200 | $427,084 (-10.94%) Land $104,167 Building $322,917 | |
| 2023 | $8,200 Land $2,000 Building $6,200 | $479,532 Land $116,959 Building $362,573 |
Source: FEMA National Flood Hazard Layer, Westchester County (36119C), updated September 18, 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 |
| 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; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 966 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, Optimum Communications. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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