Westchester County and Ossining Town property record for 50 William St, Ossining, NY 10562 · Last verified May 2026
| Property Type | Residential > Multi-Unit > Duplex |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1900 |
| Square Footage | 1,236 sqft Total Area |
| Lot Size | 4,792 sqft (0.11 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $350,000 (2008) |
| Tax Bill | $12,262.00 (2025) |
| Primary APN | 554203 97.07-5-23 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,236 sqft Total Area |
| 1st Floor | 618 sqft 1st Floor |
| Stories | 2 Stories |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Traditional Style |
| Exterior Material | Wood Exterior |
| Lot Area | 4,792 sqft (0.11 acres) |
| Depth X Width | 114 ft x 45 ft Depth x Width |
| Porch | Covered Porch |
| Porch Area | 132 sqft Porch |
| Heating System | Hot Water Heating |
|---|---|
| Heating Fuel | Oil Heating Fuel |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 50 WILLIAM ST |
|---|---|
| City | OSSINING |
| State | NY |
| Zip | 10562-5531 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Duplex |
| Legal Block | 5 |
| Legal Lot Number | 23.000 |
| Jurisdiction | WESTCHESTER NY |
| Minor Civil Division | OSSINING |
| Census Blockgroup | 2 |
| Census Block | 2006 |
| Census Tract | 13304 |
Source: Westchester County and Ossining Town records · APN 554203 97.07-5-23
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 | 50 WILLIAM ST, OSSINING, NY 10562-5531 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 30, 2008 · Amount on Record |
| Deed Sale | Apr 30, 2008 · Amount on Record |
| Deed Doc Number | 2008481130420 |
| Prior Transfer Date | Jan 28, 2003 |
| Prior Transfer Doc | 0430770733 |
| Record Refreshed | Jun 08, 2026 |
Source: Westchester County and Ossining Town records · Assessment roll updated May 14, 2026 · Last verified May 2026
| Type | Name |
|---|---|
| State | New York |
| County | Westchester County |
| County Subdivision | Ossining Town |
| Municipality | Ossining Village |
| Unified School District | Ossining Union Free 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 | $12,262.00 | $496,400 (+5.26%) Land $206,300 Building $290,100 | $496,400 (+5.26%) Land $206,300 Building $290,100 |
| 2024 | Homeowner's exemption | $471,600 (+7.38%) Land $113,800 Building $357,800 | $471,600 (+7.38%) Land $113,800 Building $357,800 |
| 2023 | $439,200 Land $113,800 Building $325,400 | $439,200 Land $113,800 Building $325,400 |
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 |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | 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.
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