Westchester County and Mount Vernon City property record for 300 E Prospect Ave, Mount Vernon, NY 10553
| Property Type | Apartments (5+ Units) |
|---|---|
| Lot Size | 0.88 acres (38,333 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $1,900,000 (Oct 2006) |
| Tax Bill | $189,057 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 550800 165.64-2076-2 |
| Primary APN | 550800 165.64-2076-2 |
|---|---|
| Alternative APNs |
|
| Units | 49 Units |
|---|
| Lot Area | 38,333 sqft (0.88 acres) |
|---|
| Account Number | 038760 |
|---|---|
| Street Address | 300 E PROSPECT AVE |
| City | MOUNT VERNON |
| State | NY |
| Zip | 10553-1044 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Legal Subdivision | MAP OF CHESTER HILL |
| Legal Block | 2076 |
| Legal Lot Number | 2.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MOUNT VERNON |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 4100 |
300 E Prospect Ave, a residential property, is owned by a company that bought it in October 2006.
Source: Westchester County and Mount Vernon City records, as of October 21, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | PO BOX 20463, FLORAL PARK, NY 11002-0463 |
| Owner Type | Company |
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 | Oct 10, 2006 · Amount on File |
| Deed Sale | Oct 10, 2006 · Amount on File |
| Deed Document Number | 2006462680033 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 300 E Prospect Ave was $189,057, up 1,726.8% 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 | $189,057.00 (+1,726.81%) | ||
| 2025 | $10,349.00 | $110,000 (-) Land $38,500 Building $71,500 | $6,111,111 (+6.67%) Land $2,138,889 Building $3,972,222 |
| 2024 | $110,000 (-) Land $38,500 Building $71,500 | $5,729,166 (-10.94%) Land $2,005,208 Building $3,723,958 | |
| 2023 | $110,000 Land $38,500 Building $71,500 | $6,432,749 Land $2,251,462 Building $4,181,287 |
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 300 E Prospect Ave in Zone X, an area of minimal flood risk.
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 | 1 in force |
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.
The area around 300 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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