Nassau County and Hempstead Town property record for 20 Harrison Ave, Lynbrook, NY 11563
| Property Type | Duplex |
|---|---|
| Details | 2 ba · 2,243 sqft · built 1921 |
| Lot Size | 0.169 acres (7,350 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $12,772 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 38-524-00-0235 |
| Primary APN | 38-524-00-0235 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,243 sqft Living Area |
| Gross Area | 2,263 sqft |
| 1st Floor Area | 887 sqft |
| Game Room | Game Room |
| Year Built | Built 1921 |
|---|---|
| Effective Year Built | Effective 1921 |
| Architectural Style | Old Style |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 7,350 sqft (0.169 acres) |
| Lot Dimensions | 159 ft deep x 56 ft wide |
| Garage Type | Detached |
| Garage Area | 216 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Enclosed Frame Porch |
| Porch Area | 32 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 38524 02350 |
|---|---|
| Street Address | 20 HARRISON AVE |
| City | LYNBROOK |
| State | NY |
| Zip | 11563-3419 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | 235-236 |
| Legal Block | 524 |
| Legal Lot Number | 235-2 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | HEMPSTEAD |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 411901 |
20 Harrison Ave, a duplex, is owned and occupied by an individual.
Source: Nassau County and Hempstead Town records, as of June 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 20 HARRISON AVE, LYNBROOK, NY 11563-3419 |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 20 Harrison Ave was $12,772 with a senior citizen's exemption.
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 |
| Municipality | Lynbrook Village |
| Unified School District | Lynbrook Union Free School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $599 Land $249 Building $350 | $599,000 | |
| 2025 | $12,772.00 | ||
| 2023 | $11,583.00 Homeowner's exemption | $604 Land $251 Building $353 | $604,000 |
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.
FEMA maps place 20 Harrison Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective April 5, 2023 · 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 11 policies |
| Nearby Flood Policies | 11 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.
The area around 20 Harrison 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 | LIBERTY UTILITIES NEW YORK - LYNBROOK private · serves 220,000 people · EPA ID NY2902835 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2023 |
| Lead | 5 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Corrosion control Jul 2025 |
| 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 663 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 2,300 / 2,300 |
| T-Mobile Fixed Wireless | 100 / 20 |
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