Nassau County and North Hempstead Town property record for 20 Post Ave, Williston Park, NY 11596 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4.5 ba · 3,750 sqft · built 1955 |
| Lot Size | 0.402 acres (17,498 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $30,543 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-226-00-0014 |
| Primary APN | 09-226-00-0014 |
|---|---|
| Alternative APNs |
|
| Full Baths | 4.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 3,750 sqft Living Area |
| Gross Area | 4,190 sqft |
| 1st Floor Area | 1,481 sqft |
| Basement Area | 805 sqft |
| Finished Basement | 805 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Split Level |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 17,498 sqft (0.402 acres) |
| Lot Dimensions | 175 ft deep x 100 ft wide |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Frame Porch |
|---|---|
| Porch Area | 327 sqft |
| Patio Area | 204 sqft |
| Balcony Area | 78 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 09226 00140 |
|---|---|
| Street Address | 20 POST AVE |
| City | WILLISTON PARK |
| State | NY |
| Zip | 11596-2021 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #2 SCH DIST 002 |
| Legal Block | 226 |
| Legal Lot Number | 14 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | NORTH HEMPSTEAD |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 303400 |
Source: Nassau County and North Hempstead Town records · APN 09-226-00-0014
Assessment roll updated June 17, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 20 POST AVE, WILLISTON PARK, NY 11596-2021 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Nassau County and North Hempstead Town records · Assessment roll updated June 17, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | New York |
| County | Nassau County |
| County Subdivision | North Hempstead Town |
| Municipality | East Williston Village |
| Unified School District | East Williston Union Free School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,390 (-) Land $532 Building $858 | $1,390,000 (-) | |
| 2025 | $30,543.00 (+22.06%) | ||
| 2023 | $25,022.00 Homeowner's exemption | $1,390 Land $532 Building $858 | $1,390,000 |
Source: FEMA National Flood Hazard Layer, Nassau County (36059C), updated April 5, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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