Westchester County and Mount Vernon City property record for 120 E Prospect Ave, Mount Vernon, NY 10550
| Property Type | Office Building |
|---|---|
| Lot Size | 0.3 acres (13,068 sqft) |
| Owner | Company Name on File |
| Last Sale | $575,000 (Jul 2004) |
| Tax Bill | $21,656 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 550800 165.63-1140-9 |
| Primary APN | 550800 165.63-1140-9 |
|---|---|
| Alternative APNs |
|
| Units | 21 Units |
|---|
| Lot Area | 13,068 sqft (0.3 acres) |
|---|
| Account Number | 025400 |
|---|---|
| Street Address | 120 E PROSPECT AVE |
| City | MOUNT VERNON |
| State | NY |
| Zip | 10550-2212 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Legal Block | 1140 |
| Legal Lot Number | 9.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MOUNT VERNON |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 4001 |
120 E Prospect Ave, a commercial property, is owned by a company that bought it in July 2004.
Source: Westchester County and Mount Vernon City 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 | Company Name on File |
|---|---|
| Mailing Address | 924 WEST ST, PELHAM, NY 10803-2738 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 16, 2004 · Amount on File |
| Deed Sale | Jul 16, 2004 · Amount on File |
| Deed Document Number | 200441731659 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 120 E Prospect Ave was $21,656, down 81.9% from the year before.
Source: Westchester County and Mount Vernon City assessment roll, as of May 14, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Westchester County |
| Municipality | Mount Vernon City |
| Unified School District | Mount Vernon School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $21,656.00 (-81.89%) | ||
| 2025 | $119,572.00 | $12,600 (-) Land $11,000 Building $1,600 | $700,000 (+6.67%) Land $611,111 Building $88,889 |
| 2024 | $12,600 (-) Land $11,000 Building $1,600 | $656,250 (-10.94%) Land $572,917 Building $83,333 | |
| 2023 | $12,600 Land $11,000 Building $1,600 | $736,842 Land $643,275 Building $93,567 |
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 120 E Prospect Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 120 E Prospect Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 VERNON WATER DEPARTMENT serves 73,893 people · EPA ID NY5903441 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jul 2025 |
| Lead | 7 ppb (2025–2027) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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 656 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
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