Westchester County and Mount Kisco Village property record for 55 Knowlton Ave, Mount Kisco, NY 10549
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4.5 ba · 3,981 sqft · built 1827 |
| Lot Size | 0.58 acres (25,291 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $783,750 (Oct 2002) |
| Tax Bill | $16,171 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 555601 69.59-1-5 |
| Primary APN | 555601 69.59-1-5 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,981 sqft Living Area |
| 1st Floor Area | 1,506 sqft |
| 2nd Floor Area | 1,278 sqft |
| Upper Floors Area | 497 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1827 |
|---|---|
| Effective Year Built | Effective 1827 |
| Architectural Style | Colonial |
| Exterior Material | Wood |
| Lot Area | 25,291 sqft (0.58 acres) |
| Lot Dimensions | 165 ft deep x 159 ft wide |
| Garage Type | Attached |
| Garage Area | 447 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Patio |
| Porch Area | 300 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Sewer | Septic |
| Water Source | Commercial |
| Account Number | 186650 |
|---|---|
| Street Address | 55 KNOWLTON AVE |
| City | MOUNT KISCO |
| State | NY |
| Zip | 10549-1113 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS-9 |
| Legal Block | 1 |
| Legal Lot Number | 5.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MOUNT KISCO |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 13000 |
55 Knowlton Ave is owner-occupied and held in a trust since May 2015.
Source: Westchester County and Mount Kisco Village records, as of October 21, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 55 KNOWLTON AVE, MOUNT KISCO, NY 10549-1113 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 11, 2002 · Amount on File |
| Deed Sale | Oct 11, 2002 · Amount on File |
| Deed Document Number | 2002422760416 |
| Last Transfer Date | May 20, 2015 |
| Transfer Doc | 0551743388 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 55 Knowlton Ave was $16,171, up 843.5% from the year before.
Source: Westchester County and Mount Kisco Village assessment roll, as of May 14, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Westchester County |
| County Subdivision / Municipality | Mount Kisco Village |
| Unified School District | Bedford Central School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $16,171.00 (+843.47%) | ||
| 2025 | $1,714.00 | $93,000 (-) Land $19,800 Building $73,200 | $668,584 (-53.41%) Land $142,344 Building $526,240 |
| 2024 | $93,000 (-) Land $19,800 Building $73,200 | $1,435,186 (+10.49%) Land $305,556 Building $1,129,630 | |
| 2023 | $93,000 Land $19,800 Building $73,200 | $1,298,882 Land $276,536 Building $1,022,346 |
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 55 Knowlton Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2011.
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 |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 2 (2011) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Dec 2011 · 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.
Wildfire risk around 55 Knowlton Ave 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: EPA Safe Drinking Water Information System, as of September 2026
| Water System | MOUNT KISCO WATER DEPARTMENT serves 11,187 people · EPA ID NY5903437 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Aug 2025 |
| Lead | 1 ppb (2025) action level 15 ppb |
| Water Quality | Treatment failure resolved · Nov 2024 |
|---|---|
| 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.
Source: FCC Broadband Data Collection, based on 157 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| Optimum Cable · Fiber in parts of the area | 940 / 35 |
| T-Mobile Fixed Wireless | 100 / 20 |
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