Westchester County and Mount Vernon City property record for 258 E Prospect Ave, Mount Vernon, NY 10550
| Property Type | Triplex |
|---|---|
| Lot Size | 0.35 acres (15,246 sqft) |
| Owner | Individual Name on File |
| Last Sale | $702,000 (Mar 2021) |
| Tax Bill | $13,431 (2025) |
| Deeds & Mortgages | Mar 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 550800 165.64-2059-5 |
| Primary APN | 550800 165.64-2059-5 |
|---|---|
| Alternative APNs |
|
| Architectural Style | Triplex |
|---|---|
| Lot Area | 15,246 sqft (0.35 acres) |
| Account Number | 035730 |
|---|---|
| Street Address | 258 E PROSPECT AVE |
| City | MOUNT VERNON |
| State | NY |
| Zip | 10550-1605 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Legal Block | 2059 |
| Legal Lot Number | 5.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MOUNT VERNON |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 4002 |
Source: Westchester County and Mount Vernon City assessment roll, as of May 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 2250 GRAND CONCOURSE, BRONX, NY 10457-1030 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 10, 2021 · Amount on Record |
| Deed Sale | Mar 10, 2021 · Amount on Record |
| Prior Sale | Mar 10, 2021 · Amount on Record |
| Deed Document Number | 2021610263172 |
| Prior Transfer Date | Oct 12, 2004 |
| Prior Transfer Doc | 0451590272 |
| Record Updated | Jun 8, 2026 |
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Recording Date | Mar 10, 2021 |
| Property Address | 258 E PROSPECT AVE, MOUNT VERNON, NY 10550-1605 |
| Document Number | 0610263172 |
| Instrument Date | Jan 25, 2021 |
| Instrument | 610263172 |
| Transaction Type | Transfer |
| Record Updated | May 6, 2022 |
| Title Company | JUDICIAL TITLE INSURANCE COMPANY, JUDICIAL TTITLE INSURANCE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $2,808.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 258 E PROSPECT AVE, 258, MOUNT VERNON, NY 10550-1605 |
| Name | Verified Name |
|---|---|
| Address | 2250 GRAND CONCOURSE, BRONX, NY 10457-1030 |
| Document Number | 0610263202 |
|---|---|
| Date | Mar 10, 2021 |
| Instrument | 610263202 |
| Name | FAIRWAY INDEPENDENT MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Feb 1, 2051 |
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 |
|---|---|---|---|
| 2025 | $13,431.00 | $18,000 (-) Land $8,100 Building $9,900 | $1,000,000 (+6.67%) Land $450,000 Building $550,000 |
| 2024 | $18,000 (-) Land $8,100 Building $9,900 | $937,500 (-10.94%) Land $421,875 Building $515,625 | |
| 2023 | $18,000 Land $8,100 Building $9,900 | $1,052,631 Land $473,684 Building $578,947 |
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 |
| Nearby Flood Policies | 2 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 USA Fixed Wireless | 100 / 20 |
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