Westchester County and Ossining Town property record for 28 William St, Ossining, NY 10562 · Last verified May 2026
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 2,244 sqft · built 1889 |
| Lot Size | 0.16 acres (6,970 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $355,000 (Apr 2021) |
| Tax Bill | $10,898 (2025) |
| Deeds & Mortgages | Apr 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 554203 97.07-5-14 |
| Primary APN | 554203 97.07-5-14 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,244 sqft Total Area |
| 1st Floor Area | 1,130 sqft |
| Year Built | Built 1889 |
|---|---|
| Effective Year Built | Effective 1889 |
| Architectural Style | Traditional |
| Exterior Material | Wood |
| Lot Area | 6,970 sqft (0.16 acres) |
| Lot Dimensions | 135 ft deep x 50 ft wide |
| Porch | Open Porch |
| Porch Area | 338 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 28 WILLIAM ST |
|---|---|
| City | OSSINING |
| State | NY |
| Zip | 10562-5487 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Block | 5 |
| Legal Lot Number | 14.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | OSSINING |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 13304 |
Source: Westchester County and Ossining Town records · APN 554203 97.07-5-14
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 | 28 WILLIAM ST, OSSINING, NY 10562-5487 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 16, 2021 · Amount on Record |
| Deed Sale | Apr 16, 2021 · Amount on Record |
| Prior Sale | Apr 16, 2021 · Amount on Record |
| Deed Document Number | 2021610433696 |
| Prior Transfer Date | Apr 27, 2007 |
| Prior Transfer Doc | 0472210014 |
| Record Updated | Jun 08, 2026 |
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Recording Date | Apr 16, 2021 |
| Property Address | 28 WILLIAM ST, OSSINING, NY 10562-5487 |
| Document Number | 0610433696 |
| Instrument Date | Feb 16, 2020 |
| Instrument | 610433696 |
| Transaction Type | Transfer |
| Record Updated | Jun 16, 2021 |
| Title Company | HUDSON UNITED TITLE SERVICES LLC, HUDSON UNITED TITLE SERVICES |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,420.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 28 WILLIAM ST, 28, OSSINING, NY 10562-5487 |
| Name | Verified Name |
|---|---|
| Address | 14 CLINTON AVE, OSSINING, NY 10562-4308 |
| Document Number | 0610623582 |
|---|---|
| Date | Apr 16, 2021 |
| Instrument | 610623582 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Mar 01, 2051 |
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 | $10,898.00 | $425,900 (+1.89%) Land $221,100 Building $204,800 | $425,900 (+1.89%) Land $221,100 Building $204,800 |
| 2024 | $418,000 (+7.37%) Land $125,500 Building $292,500 | $418,000 (+7.37%) Land $125,500 Building $292,500 | |
| 2023 | $389,300 Land $125,500 Building $263,800 | $389,300 Land $125,500 Building $263,800 |
Source: FEMA National Flood Hazard Layer, Westchester County (36119C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361190133042, 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 Policies | 1 in force |
| Nearby Flood Claims | 2 (2009–2021) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Sep 2021, river or lake flooding, Remnants Of Hurricane Ida |
| 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 616 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Optimum Communications | Fiber | 8,000 / 8,000 |
| Verizon | Fiber | 2,300 / 2,300 |
| Optimum Communications | Cable | 940 / 35 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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