Westchester County and White Plains City property record for 21 Prospect St, White Plains, NY 10605
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,101 sqft · built 1925 |
| Lot Size | 0.18 acres (7,841 sqft) |
| Owner | Individual Name on File |
| Last Sale | $220,000 (Oct 1996) |
| Tax Bill | $1,832 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 551700 130.35-8-2 |
| Primary APN | 551700 130.35-8-2 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 2 Stories |
| Building Area | 2,101 sqft Living Area |
| 1st Floor Area | 2,101 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Architectural Style | Colonial |
| Exterior Material | Wood Shingle |
| Lot Area | 7,841 sqft (0.18 acres) |
| Lot Dimensions | 152 ft deep x 50 ft wide |
| Garage Type | Basement |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 30390000600 |
|---|---|
| Street Address | 21 PROSPECT ST |
| City | WHITE PLAINS |
| State | NY |
| Zip | 10605-1114 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2-4 |
| Legal Subdivision | HALL PROPERTY |
| Legal Block | 8 |
| Legal Lot Number | 2.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | WHITE PLAINS |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 9500 |
21 Prospect St is owned and occupied by an individual who acquired it in November 2012.
Source: Westchester County and White Plains City records, as of October 21, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 21 PROSPECT ST, WHITE PLAINS, NY 10605-1114 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 24, 1996 · Amount on File |
| Deed Sale | Oct 24, 1996 · Amount on File |
| Deed Book / Page | 11570 / 231 |
| Last Transfer Date | Nov 16, 2012 |
| Transfer Doc | 0523213226 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 21 Prospect St was $1,832 with a homeowner's exemption, down 86.8% from the year before.
Source: Westchester County and White Plains City assessment roll, as of May 14, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Westchester County |
| Municipality | White Plains City |
| Unified School District | White Plains City School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,832.00 (-86.77%) Homeowner's exemption | ||
| 2025 | $13,848.00 | $12,400 (-) Land $2,300 Building $10,100 | $568,808 (+8.72%) Land $105,505 Building $463,303 |
| 2024 | Homeowner's exemption | $12,400 (-) Land $2,300 Building $10,100 | $523,206 (+0.84%) Land $97,046 Building $426,160 |
| 2023 | $12,400 Land $2,300 Building $10,100 | $518,828 Land $96,234 Building $422,594 |
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.
FEMA maps place 21 Prospect St in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 2011.
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 | 3 in force |
| Nearby Flood Claims | 5 (2011–2023) |
| Claims Outside the SFHA | 5 of 5 |
| Most Recent Claim | Sep 2023 · Severe Storm And Flooding |
| 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 Prospect St 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 | WHITE PLAINS CITY serves 59,559 people · EPA ID NY5903464 |
|---|---|
| Water Source | Purchased surface water from WESTCHESTER COUNTY WD #1 |
| Last State Inspection | Mar 2026 |
| Lead | 1 ppb (2023–2025) 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 427 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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