Westchester County and Mount Vernon City property record for 665 S 3rd Ave, Mount Vernon, NY 10550
| Property Type | Triplex |
|---|---|
| Lot Size | 0.06 acres (2,614 sqft) |
| Owner | Individual Name on File |
| Last Sale | $270,000 (Jan 2002) |
| Tax Bill | $14,781 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 550800 169.56-3133-43 |
| Primary APN | 550800 169.56-3133-43 |
|---|---|
| Alternative APNs |
|
| Architectural Style | Triplex |
|---|---|
| Lot Area | 2,614 sqft (0.06 acres) |
| Account Number | 089940 |
|---|---|
| Street Address | 665 S 3RD AVE |
| City | MOUNT VERNON |
| State | NY |
| Zip | 10550-4905 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Legal Subdivision | MAP PROPERTY FORMERLY WARREN & SKILLEN |
| Legal Block | 3133 |
| Legal Lot Number | 43.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MOUNT VERNON |
| Census Block Group | 2 |
| Census Block | 2021 |
| Census Tract | 2600 |
665 S 3rd Ave, a triplex, is owned and occupied by an individual who acquired it in February 2025.
Source: Westchester County and Mount Vernon City records, as of October 21, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 665 S 3RD AVE, MOUNT VERNON, NY 10550-4905 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Last Sale | Jan 22, 2002 · Amount on File |
| Deed Sale | Jan 22, 2002 · Amount on File |
| Deed Document Number | 2002420140399 |
| Last Transfer Date | Feb 7, 2025 |
| Transfer Doc | 0000003572 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 665 S 3rd Ave was $14,781, down 85% 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 | $14,781.00 (-84.96%) | ||
| 2025 | $98,279.00 | $8,600 (-) Land $1,700 Building $6,900 | $477,777 (+6.67%) Land $94,444 Building $383,333 |
| 2024 | $8,600 (-) Land $1,700 Building $6,900 | $447,917 (-10.94%) Land $88,542 Building $359,375 | |
| 2023 | $8,600 Land $1,700 Building $6,900 | $502,924 Land $99,415 Building $403,509 |
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 665 S 3rd Ave in Zone X, an area of minimal flood risk, though there have been 12 flood claims nearby since 1978.
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 File median of 10 policies |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 12 (1978–2021) |
| Claims Outside the SFHA | 7 of 12 |
| Most Recent Claim | Sep 2021 · Remnants Of Hurricane Ida |
| Claims by Event |
|
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 665 S 3rd Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 97.9% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 174 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 |
May also be available: Optimum, Spectrum, T-Mobile.
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