Westchester County and North Castle Town property record for 18A Windmill Rd, Armonk, NY 10504 · Last verified May 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,756 sqft · built 1958 |
| Lot Size | 1.32 acres (57,499 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,216,300 (Oct 2004) |
| Tax Bill | $24,702 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 553800 101.04-2-19 |
| Primary APN | 553800 101.04-2-19 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,756 sqft Living Area |
| 1st Floor Area | 2,756 sqft |
| Basement Area | 810 sqft |
| Unfinished Basement | 810 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | Split Level |
| Exterior Material | Wood |
| Lot Area | 57,499 sqft (1.32 acres) |
| Garage Type | Attached |
| Garage Area | 500 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 230 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Sewer | Septic |
| Water Source | Commercial |
| Account Number | R1A |
|---|---|
| Street Address | 18A WINDMILL RD |
| City | ARMONK |
| State | NY |
| Zip | 10504-2613 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | WINDMILL PARK SECTION 4 |
| Legal Block | 2 |
| Legal Lot Number | 19.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | NORTH CASTLE |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 12304 |
Source: Westchester County and North Castle Town records · APN 553800 101.04-2-19
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 | Individual Name on File |
|---|---|
| Mailing Address | 18 WINDMILL RD, A, ARMONK, NY 10504-2613 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 13, 2004 · Amount on Record |
| Deed Sale | Oct 13, 2004 · Amount on Record |
| Deed Document Number | 200442441617 |
| Record Updated | Jun 08, 2026 |
Source: Westchester County and North Castle Town records · Assessment roll updated May 14, 2026 · Last verified May 2026
| Type | Name |
|---|---|
| State | New York |
| County | Westchester County |
| County Subdivision | North Castle Town |
| Unified School District | Byram Hills Central School District (KG - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $24,702.00 | $18,400 (-) Land $3,300 Building $15,100 | $1,135,803 (+11.11%) Land $203,704 Building $932,099 |
| 2024 | $18,400 (-) Land $3,300 Building $15,100 | $1,022,222 (-8.33%) Land $183,333 Building $838,889 | |
| 2023 | $18,400 Land $3,300 Building $15,100 | $1,115,152 Land $200,000 Building $915,152 |
Source: FEMA National Flood Hazard Layer, Westchester County (36119C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361190123041, 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 |
| Flood Insurance Cost | Premium on Record median of 13 individual NFIP policies nearby |
| 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 |
| 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 83 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Verizon | Fiber | 2,300 / 2,300 |
| Optimum Communications | Cable | 940 / 35 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
4G LTE (outdoors only), no 5G reported
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