Westchester County and New Castle Town property record for 4 Winthrop Rd, Chappaqua, NY 10514
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 5 ba · 5,491 sqft · built 1992 |
| Lot Size | 1.01 acres (43,996 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $64,256 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 553600 81.19-2-34 |
| Primary APN | 553600 81.19-2-34 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5 Baths |
| Stories | 2 Stories |
| Building Area | 5,491 sqft Living Area |
| 1st Floor Area | 2,874 sqft |
| 2nd Floor Area | 2,617 sqft |
| Upper Floors Area | 291 sqft |
| Basement Area | 1,519 sqft |
| Finished Basement | 1,519 sqft |
| Unfinished Basement | 1,712 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | Colonial |
| Exterior Material | Wood |
| Lot Area | 43,996 sqft (1.01 acres) |
| Garage Type | Attached |
| Garage Area | 1,465 sqft |
| Parking Spaces | 5 Parking Spaces |
| Porch | Slab |
| Porch Area | 525 sqft |
| Patio Area | 559 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Oil |
| Water Source | Commercial |
| Account Number | 2406000 |
|---|---|
| Street Address | 4 WINTHROP RD |
| City | CHAPPAQUA |
| State | NY |
| Zip | 10514-1226 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-1A |
| Legal Subdivision | ROBERT MERTENS AND RONALD MCPHEE |
| Legal Block | 2 |
| Legal Lot Number | 34.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | NEW CASTLE |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 13104 |
4 Winthrop Rd is owned and occupied by an individual who acquired it in April 2013.
Source: Westchester County and New Castle Town 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 | 4 WINTHROP RD, CHAPPAQUA, NY 10514-1226 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Apr 27, 2013 |
| Transfer Doc | 0530803549 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 4 Winthrop Rd was $64,256, up 109.1% from the year before.
Source: Westchester County and New Castle Town assessment roll, as of May 14, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Westchester County |
| County Subdivision | New Castle Town |
| Unified School District | Chappaqua Central School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $64,256.00 (+109.1%) | ||
| 2025 | $30,730.00 | $381,200 (-) Land $75,000 Building $306,200 | $2,732,616 (+0.86%) Land $537,634 Building $2,194,982 |
| 2024 | $381,200 (-) Land $75,000 Building $306,200 | $2,709,311 (+5.19%) Land $533,049 Building $2,176,262 | |
| 2023 | $381,200 Land $75,000 Building $306,200 | $2,575,676 Land $506,757 Building $2,068,919 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4 Winthrop Rd in Zone X, an area of minimal flood risk, though there have been 11 flood claims nearby since 1979.
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 |
| Flood Insurance Cost | Premium on File median of 21 policies |
| Nearby Flood Policies | 21 in force |
| Nearby Flood Claims | 11 (1979–2021) |
| Claims Outside the SFHA | 6 of 11 |
| Most Recent Claim | Sep 2021 · Remnants Of Hurricane Ida |
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 4 Winthrop Rd is low, with a 0.02% annual chance of wildfire.
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 | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
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 | NEW CASTLE/STANWOOD W.D. serves 17,116 people · EPA ID NY5903442 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Nov 2025 |
| Lead | Under 1 ppb (2026) 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 98 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 2,300 / 2,300 |
5G (outdoors only) and 4G LTE
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