Westchester County and Ossining Town property record for 21 Terrace Ave, Ossining, NY 10562
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 3 ba · 2,042 sqft · built 1880 |
| Lot Size | 0.09 acres (3,920 sqft) |
| Owner | Company Name on File |
| Last Sale | $450,000 (Jun 2005) |
| Tax Bill | $18,174 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 554203 89.15-3-8 |
| Primary APN | 554203 89.15-3-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,042 sqft Total Area |
| 1st Floor Area | 816 sqft |
| Basement Area | 286 sqft |
| Finished Basement | 286 sqft |
| Unfinished Basement | 286 sqft |
| Game Room | Game Room |
| Year Built | Built 1880 |
|---|---|
| Effective Year Built | Effective 1880 |
| Architectural Style | Traditional |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 3,920 sqft (0.09 acres) |
| Lot Dimensions | 134 ft deep x 30 ft wide |
| Patio Area | 308 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 21 TERRACE AVE |
|---|---|
| City | OSSINING |
| State | NY |
| Zip | 10562-3439 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Block | 3 |
| Legal Lot Number | 8.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | OSSINING |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 13600 |
21 Terrace Ave, a duplex, is owned by a company that bought it in June 2005.
Source: Westchester County and Ossining Town records, as of October 21, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 13 MADISON AVE, OSSINING, NY 10562-5703 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 2, 2005 · Amount on File |
| Deed Sale | Jun 2, 2005 · Amount on File |
| Prior Sale | Jun 2, 2005 · Amount on File |
| Deed Document Number | 2005451330461 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 21 Terrace Ave was $18,174, up 51.9% from the year before.
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 |
|---|---|---|---|
| 2026 | $18,174.00 (+51.88%) | ||
| 2025 | $11,966.00 | $583,600 (+5.15%) Land $216,200 Building $367,400 | $583,600 (+5.15%) Land $216,200 Building $367,400 |
| 2024 | $555,000 (+7.08%) Land $94,900 Building $460,100 | $555,000 (+7.08%) Land $94,900 Building $460,100 | |
| 2023 | $518,300 Land $94,900 Building $423,400 | $518,300 Land $94,900 Building $423,400 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21 Terrace Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 6 (1999–2024) |
| Claims Outside the SFHA | 5 of 6 |
| Most Recent Claim | Jul 2024 · rainfall accumulation |
| 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.
Wildfire risk around 21 Terrace Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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 463 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
May also be available: T-Mobile.
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