Westchester County and Mount Vernon City property record for 331 Hayward Ave, Mount Vernon, NY 10552
| Property Type | Duplex |
|---|---|
| Details | 2 ba · 3,497 sqft · built 1926 |
| Lot Size | 0.11 acres (4,792 sqft) |
| Owner | Company Name on File |
| Tax Bill | $24,062 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 550800 159.78-1011-15 |
| Primary APN | 550800 159.78-1011-15 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 3,497 sqft Total Area |
| 1st Floor Area | 1,816 sqft |
| 2nd Floor Area | 1,681 sqft |
| Year Built | Built 1926 |
|---|---|
| Effective Year Built | Effective 1926 |
| Architectural Style | Raised Ranch |
| Exterior Material | Brick |
| Lot Area | 4,792 sqft (0.11 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 001690 |
|---|---|
| Street Address | 331 HAYWARD AVE |
| City | MOUNT VERNON |
| State | NY |
| Zip | 10552-1046 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Subdivision | SUBDIVISION MAP OF KILLIEBURN |
| Legal Block | 1011 |
| Legal Lot Number | 15.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MOUNT VERNON |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 4500 |
331 Hayward Ave, a duplex, is owned by a company that acquired it in July 2005.
Source: Westchester County and Mount Vernon City records, as of October 21, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 8 HUBBARD CIR, BRONXVILLE, NY 10708-4408 |
| Owner Type | Company |
| Vesting | 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 | Name on Deed |
|---|---|
| Last Transfer Date | Jul 31, 2005 |
| Transfer Doc | 0452410559 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 331 Hayward Ave was $24,062, up 4.9% 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 | $24,062.00 (+4.93%) | ||
| 2025 | $22,931.00 | $14,000 (-) Land $3,000 Building $11,000 | $777,778 (+6.67%) Land $166,667 Building $611,111 |
| 2024 | $14,000 (-) Land $3,000 Building $11,000 | $729,167 (-10.94%) Land $156,250 Building $572,917 | |
| 2023 | $14,000 Land $3,000 Building $11,000 | $818,714 Land $175,439 Building $643,275 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 331 Hayward Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2007.
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 | 4 in force |
| Nearby Flood Claims | 2 (2007–2021) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Sep 2021 · Remnants Of Hurricane Ida |
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 331 Hayward 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 528 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 |
May also be available: T-Mobile.
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