Nassau County and Hempstead Town property record for 20 Harrison Ave, Franklin Square, NY 11010
| Property Type | Duplex |
|---|---|
| Details | 3.5 ba · 1,584 sqft · built 1924 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $420,000 (Mar 2002) |
| Tax Bill | $11,388 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 33-434-00-0163 |
| Primary APN | 33-434-00-0163 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,584 sqft Living Area |
| 1st Floor Area | 960 sqft |
| Basement Area | 120 sqft |
| Finished Basement | 120 sqft |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1924 |
| Architectural Style | Cottage |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Masonry / Concrete Block |
| Foundation Type | Concrete |
| Roof Material | Other |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 504 sqft |
| Parking Spaces | 2 Parking Spaces |
| Patio Area | 168 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 33434 01630 |
|---|---|
| Street Address | 20 HARRISON AVE |
| City | FRANKLIN SQUARE |
| State | NY |
| Zip | 11010-3615 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | TOWN #1 SCH DIST 017 |
| Legal Block | 434 |
| Legal Lot Number | 163 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | HEMPSTEAD |
| Census Block Group | 4 |
| Census Block | 4010 |
| Census Tract | 405302 |
Source: Nassau County and Hempstead Town records, as of June 17, 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 Record |
|---|---|
| Mailing Address | 20 HARRISON AVE, FRANKLIN SQUARE, NY 11010-3615 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 14, 2002 · Amount on Record |
| Deed Sale | Mar 14, 2002 · Amount on Record |
| Prior Sale | Jul 30, 1996 · Amount on Record |
| Deed Book / Page | 11448 / 660 |
| Record Updated | Oct 29, 2026 |
Source: Nassau County and Hempstead Town assessment roll, as of June 17, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Nassau County |
| County Subdivision | Hempstead Town |
| Elementary School District | Franklin Square Union Free School District (PK - 06) |
| Secondary School District | Sewanhaka Central High School District (07 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $501 (-9.07%) Land $251 Building $250 | $501,000 (-9.07%) | |
| 2025 | $11,388.00 (-3.23%) | ||
| 2023 | $11,768.00 Homeowner's exemption | $551 Land $276 Building $275 | $551,000 |
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 April 5, 2023
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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 |
|---|
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 | FRANKLIN SQUARE WD public/private · serves 20,000 people · EPA ID NY2902822 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Feb 2024 |
| Lead | Under 1 ppb (2021–2023) 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 1,002 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| T-Mobile Fixed Wireless | 100 / 20 |
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