Westchester County and Ossining Town property record for 21 Stone Ave, Ossining, NY 10562
| Property Type | Triplex |
|---|---|
| Details | 7 bd · 3 ba · 2,208 sqft · built 1925 |
| Lot Size | 0.16 acres (6,970 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $200,000 (Dec 2000) |
| Tax Bill | $11,604 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 554203 90.13-1-17 |
| Primary APN | 554203 90.13-1-17 |
|---|---|
| Alternative APN |
|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 15 Rooms |
| Stories | 2 Stories |
| Building Area | 2,208 sqft Total Area |
| 1st Floor Area | 1,104 sqft |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Architectural Style | Traditional |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 6,970 sqft (0.16 acres) |
| Lot Dimensions | 142 ft deep x 50 ft wide |
| Porch | Covered Porch |
| Porch Area | 419 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 21 STONE AVE |
|---|---|
| City | OSSINING |
| State | NY |
| Zip | 10562-3752 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Legal Subdivision | BRIARCLIFF PARK |
| Legal Block | 1 |
| Legal Lot Number | 17.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | OSSINING |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 13500 |
Source: Westchester County and Ossining Town assessment roll, as of May 14, 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 | 21 STONE AVE, OSSINING, NY 10562-3752 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 13, 2000 · Amount on Record |
| Deed Sale | Dec 13, 2000 · Amount on Record |
| Deed Document Number | 2000403390506 |
| Record Updated | Jun 8, 2026 |
Source: Westchester County and Ossining Town assessment roll, as of May 14, 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $11,604.00 | $688,600 (+1.22%) Land $267,400 Building $421,200 | $688,600 (+1.22%) Land $267,400 Building $421,200 |
| 2024 | Homeowner's exemption Senior Citizen's exemption | $680,300 (+6.15%) Land $163,700 Building $516,600 | $680,300 (+6.15%) Land $163,700 Building $516,600 |
| 2023 | $640,900 Land $163,700 Building $477,200 | $640,900 Land $163,700 Building $477,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 2 (1999) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Sep 1999 · Hurricane Floyd Major Disaster Declarations |
| Claims by Event |
|
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · above 54% of New York |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | OSSINING WATER DEPARTMENT serves 30,000 people · EPA ID NY5903451 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2025 |
| Lead | 3 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 640 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Communications Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
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