Westchester County and North Castle Town property record for 31 Windmill Rd, Armonk, NY 10504
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,450 sqft · built 1956 |
| Lot Size | 1.16 acres (50,530 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $450,000 (Jun 1997) |
| Tax Bill | $13,208 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 553800 101.04-3-63 |
| Primary APN | 553800 101.04-3-63 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 3,450 sqft Living Area |
| 1st Floor Area | 1,225 sqft |
| Basement Area | 656 sqft |
| Finished Basement | 656 sqft |
| Unfinished Basement | 656 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Split Level |
| Exterior Material | Wood |
| Lot Area | 50,530 sqft (1.16 acres) |
| Garage Type | Detached |
| Garage Area | 572 sqft |
| Porch | Porch |
| Porch Area | 714 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Sewer | Septic |
| Water Source | Commercial |
| Account Number | R1A |
|---|---|
| Street Address | 31 WINDMILL RD |
| City | ARMONK |
| State | NY |
| Zip | 10504-2615 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-1A |
| Legal Subdivision | WINDMILL FARM SECTION 3 |
| Legal Block | 3 |
| Legal Lot Number | 63.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | NORTH CASTLE |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 12304 |
Source: Westchester County and North Castle 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 | 31 WINDMILL RD, ARMONK, NY 10504-2615 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 16, 1997 · Amount on Record |
| Deed Sale | Jun 16, 1997 · Amount on Record |
| Deed Book / Page | 11745 / 44 |
| Prior Transfer Date | Jun 4, 1997 |
| Prior Transfer Doc | 1174000044 |
| Record Updated | Jun 8, 2026 |
Source: Westchester County and North Castle Town assessment roll, as of May 14, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Westchester County |
| County Subdivision | North Castle Town |
| Unified School District | Byram Hills Central School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $13,208.00 | $21,600 (-) Land $3,100 Building $18,500 | $1,333,333 (+11.11%) Land $191,358 Building $1,141,975 |
| 2024 | $21,600 (-) Land $3,100 Building $18,500 | $1,200,000 (-8.33%) Land $172,222 Building $1,027,778 | |
| 2023 | $21,600 Land $3,100 Building $18,500 | $1,309,091 Land $187,879 Building $1,121,212 |
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.
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 Record median of 13 policies |
| Nearby Flood Policies | 13 in force |
| Nearby Flood Claims | 11 (1978–2020) |
| Claims Outside the SFHA | 9 of 11 |
| Most Recent Claim | Jul 2020 · other causes |
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 | 0.02% annual chance |
| Exposure | None beyond ember reach |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | NORTH CASTLE WATER DISTRICT #2 serves 1,200 people · EPA ID NY5903446 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2026 |
| Lead | 4 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 83 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Optimum Communications Cable | 940 / 35 |
4G LTE (outdoors only), no 5G reported
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