Westchester County and North Castle Town property record for 9 Half Mile Rd, Armonk, NY 10504
| Property Type | Single Family Home |
|---|---|
| Details | 5 ba · 4,776 sqft · built 1925 |
| Lot Size | 6.55 acres (285,318 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $3,325,000 (Dec 2021) |
| Tax Bill | $49,955 (2026) |
| Deeds & Mortgages | Dec 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 553800 107.04-1-28 |
| Primary APN | 553800 107.04-1-28 |
|---|---|
| Alternative APNs |
|
| Full Baths | 5 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 4,776 sqft Living Area |
| 1st Floor Area | 4,776 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Exterior Material | Brick |
| Lot Area | 285,318 sqft (6.55 acres) |
| Garage Type | Attached |
| Garage Area | 500 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Sewer | Septic |
| Water Source | Commercial |
| Account Number | R2A |
|---|---|
| Street Address | 9 HALF MILE RD |
| City | ARMONK |
| State | NY |
| Zip | 10504-1303 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-2A |
| Legal Block | 1 |
| Legal Lot Number | 28.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | NORTH CASTLE |
| Census Block Group | 3 |
| Census Block | 3034 |
| Census Tract | 12303 |
9 Half Mile Rd is owned and occupied by two individuals who bought it in December 2021.
Source: Westchester County and North Castle Town records, as of October 21, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 9 HALF MILE RD, ARMONK, NY 10504-1303 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 14, 2021 · Amount on File |
| Deed Sale | Dec 14, 2021 · Amount on File |
| Prior Sale | Dec 14, 2021 · Amount on File |
| Deed Document Number | 2021613423740 |
| Record Updated | Oct 29, 2026 |
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Recording Date | Dec 14, 2021 |
| Property Address | 9 HALF MILE RD, ARMONK, NY 10504-1303 |
| Document Number | 0613423740 |
| Map Reference | MAP 23785 |
| Instrument Date | Dec 8, 2021 |
| Instrument | 613423740 |
| Transaction Type | Transfer |
| Record Updated | Nov 28, 2022 |
| Title Company | THOROUGHBRED TITLE SERVICES LLC, THOROUGHBRED TITLE SERVICES |
| Amount | Amount on Record |
|---|---|
| Tax | $13,300.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 9 HALF MILE RD, 9, ARMONK, NY 10504-1303 |
| Name | Verified Name |
|---|---|
| Address | 15 HUDSON YARDS # 29H, 29H, NEW YORK, NY 10001-2162 |
| Investor | Possibly a Property Investor |
The 2026 property tax bill for 9 Half Mile Rd was $49,955, up 32.9% from the year before.
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 |
|---|---|---|---|
| 2026 | $49,955.00 (+32.89%) | ||
| 2025 | $37,590.00 | $44,600 (-) Land $5,600 Building $39,000 | $2,753,086 (+11.11%) Land $345,679 Building $2,407,407 |
| 2024 | $44,600 (-) Land $5,600 Building $39,000 | $2,477,778 (-8.33%) Land $311,111 Building $2,166,667 | |
| 2023 | $44,600 Land $5,600 Building $39,000 | $2,703,030 Land $339,394 Building $2,363,636 |
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 9 Half Mile Rd in Zone X, an area of minimal flood risk, though there have been 10 flood claims nearby since 1982.
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 20 policies |
| Nearby Flood Policies | 20 in force |
| Nearby Flood Claims | 10 (1982–2023) |
| Claims Outside the SFHA | 7 of 10 |
| Most Recent Claim | Sep 2023 · Severe Storm And Flooding |
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 9 Half Mile 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 93% of the US · lower than 89% 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: FCC Broadband Data Collection, based on 51 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Optimum Cable | 940 / 35 |
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