Westchester County and North Castle Town property record for 20 Round Hill Rd, Armonk, NY 10504
| Property Type | Residential Vacant Land |
|---|---|
| Lot Size | 10.6 acres (464,785 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,550,000 (Aug 2023) |
| Tax Bill | $7,715 (2026) |
| Deeds & Mortgages | Dec 2025 Construction Loan Aug 2023 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 553800 109.01-1-49.5 |
| Primary APN | 553800 109.01-1-49.5 |
|---|---|
| Alternative APNs |
|
| Lot Area | 464,785 sqft (10.6 acres) |
|---|
| Sewer | Septic |
|---|---|
| Water Source | Well |
| Account Number | R2A |
|---|---|
| Street Address | 20 ROUND HILL RD |
| City | ARMONK |
| State | NY |
| Zip | 10504-2821 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Local Zoning Code | R-2A |
| Legal Block | 1 |
| Legal Lot Number | 49.005 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | NORTH CASTLE |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 12304 |
20 Round Hill Rd, residential vacant land, is owned by a company that bought it in August 2023.
Source: Westchester County and North Castle Town records, as of October 21, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1325 HARBOR RD, HEWLETT, NY 11557-2640 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Dec 17, 2025 | Deed of Trust, Mortgage · Construction Mortgage CITIZENS BANK NA |
| Aug 24, 2023 | Bargain and Sale Deed, Transfer BENCHMARK TITLE COMPANY, BENCHMARK TITLE AGENCY LLC |
| Jul 18, 2017 | Loan Modification, Mortgage STERLING NAT'L BK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 24, 2023 · Amount on File |
| Deed Sale | Aug 24, 2023 · Amount on File |
| Deed Document Number | 20233318 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Property Address | 20 ROUND HILL RD, ARMONK, NY 10504-2821 |
| Transaction Type | Mortgage |
| Record Updated | Dec 30, 2025 |
| Title Company | SECURITY SETTLEMENT SERVICES INC, EQUITY SETTLEMENT SVCS INC |
| Name | Verified Name |
|---|---|
| Address | 1325 HARBOR RD, HEWLETT, NY 11557-2640 |
| Document Number | 0653513258 |
|---|---|
| Date | Dec 17, 2025 |
| Instrument | 653513258 |
| Name | CITIZENS BANK NA |
|---|---|
| Type | Bank |
| Address | PROVIDENCE, RI 02903 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 359 Months |
| Due | Nov 1, 2055 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.87% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Nov 1, 2032 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 10.8% |
| Index | SOFR Average 30-Day |
| Max Rate | 10.8% |
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Recording Date | Aug 24, 2023 |
| Property Address | 20 ROUND HILL RD, ARMONK, NY 10504-2821 |
| Document Number | 0632203318 |
| Map Reference | MAP 27849 |
| Instrument Date | Aug 16, 2023 |
| Instrument | 632203318 |
| Transaction Type | Transfer |
| Record Updated | Sep 4, 2023 |
| Title Company | BENCHMARK TITLE COMPANY, BENCHMARK TITLE AGENCY LLC |
| Amount | Amount on Record |
|---|---|
| Tax | $6,200.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 170 HAMILTON AVE, WHITE PLAINS, NY 10601-1715 |
| Name | Verified Name |
|---|---|
| Address | 20 ROUND HILL RD, ARMONK, NY 10504-2821 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Recording Date | Jul 18, 2017 |
| Property Address | 20 ROUND HILL RD, ARMONK, NY 10504-2821 |
| Book / Page | 057194 / 003109 |
| Instrument Date | Jun 28, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 7, 2017 |
| Title Company | STATEWIDE ABSTRACT |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 4 W RED OAK LN #107 WHITE PLAINS NY 106043603, 107, WHITE PLAINS, NY 10604-3603 |
| Document Number | 0571943109 |
|---|---|
| Date | Jul 18, 2017 |
| Book Page | 057194/003109 |
| Name | STERLING NAT'L BK |
|---|---|
| Type | Bank |
| Address | YONKERS, NY 10707 |
| Amount | Amount on Record |
|---|---|
| Term | 84 Months |
| Due | Jul 17, 2024 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 5.14% |
The 2026 property tax bill for 20 Round Hill Rd was $7,715, up 139.4% 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 | $7,715.00 (+139.45%) | ||
| 2025 | $3,222.00 | $6,900 (-) Land $6,900 | $425,926 (+11.11%) Land $425,926 |
| 2024 | $6,900 (-) Land $6,900 | $383,333 (-8.33%) Land $383,333 | |
| 2023 | $6,900 (-) Land $6,900 | $418,182 (+17.58%) Land $418,182 | |
| 2022 | $6,900 Land $6,900 | $355,670 Land $355,670 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 20 Round Hill Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 26 policies |
| Nearby Flood Policies | 26 in force |
| Nearby Flood Claims | 25 (1978–2023) |
| Claims Outside the SFHA | 10 of 25 |
| Most Recent Claim | Dec 2023 · 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.
Wildfire risk around 20 Round Hill 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: FCC Broadband Data Collection, based on 27 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Optimum Cable · Fiber in parts of the area | 940 / 35 |
5G and 4G LTE (outdoors only)
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