Westchester County and Lewisboro Town property record for 21 Mount Holly Rd E, Katonah, NY 10536
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3,338 sqft · built 1969 |
| Lot Size | 4.3 acres (187,308 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,301,000 (Aug 2005) |
| Tax Bill | $30,217 (2026) |
| Deeds & Mortgages | Mar 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 10533-072 |
| Primary APN | 10533-072 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Stories | 2 Stories |
| Building Area | 3,338 sqft Living Area |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1969 |
| Architectural Style | Colonial |
| Exterior Material | Wood |
| Lot Area | 187,308 sqft (4.3 acres) |
| Garage Type | Attached |
| Garage Area | 500 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Screened Porch |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Electric |
| Sewer | Septic |
| Account Number | 10533-072 |
|---|---|
| Street Address | 21 MT HOLLY RD E |
| City | KATONAH |
| State | NY |
| Zip | 10536-2400 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-4A |
| Legal Subdivision | SUBDIVISION OF HANOTAK REALTY CORP |
| Legal Block | 72- |
| Legal Lot Number | 1.6 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | LEWISBORO |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 12502 |
Source: Westchester County and Lewisboro Town records, as of October 21, 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 Record |
|---|---|
| Mailing Address | MT HOLLY RD E, KATONAH, NY 10536 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 3, 2005 · Amount on Record |
| Deed Sale | Aug 3, 2005 · Amount on Record |
| Deed Document Number | 2005452080491 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Property Address | 21 MT HOLLY RD E, KATONAH, NY 10536-2400 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0570723406 |
|---|---|
| Date | Mar 13, 2017 |
| Instrument | 570723406 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 419 Months |
| Due | Feb 28, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
Source: Westchester County and Lewisboro Town assessment roll, as of May 14, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Westchester County |
| County Subdivision | Lewisboro Town |
| Unified School District | Katonah-Lewisboro Union Free School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $30,217.00 (+637.54%) | ||
| 2025 | $4,097.00 | $96,700 (-) Land $20,900 Building $75,800 | $1,542,264 (+2.39%) Land $333,333 Building $1,208,931 |
| 2024 | $96,700 (-) Land $20,900 Building $75,800 | $1,506,230 (+8.72%) Land $325,545 Building $1,180,685 | |
| 2023 | $96,700 Land $20,900 Building $75,800 | $1,385,387 Land $299,427 Building $1,085,960 |
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 10 policies |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 3 (1980–2008) |
| Claims Outside the SFHA | 2 of 3 |
| Most Recent Claim | Aug 2008 · rainfall accumulation |
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 | 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 55 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Cable | 940 / 35 |
| Starlink Satellite | 280 / 30 |
May also be available: Verizon.
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