Nassau County and Hempstead Town property record for 511 Hempstead Ave, West Hempstead, NY 11552
| Property Type | Commercial Office |
|---|---|
| Details | 11,760 sqft · built 1970 |
| Lot Size | 0.276 acres (12,001 sqft) |
| Owner | Company Name on File |
| Last Sale | $680,000 (Dec 2016) |
| Tax Bill | $45,440 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 35-324-00-0018 |
| Primary APN | 35-324-00-0018 |
|---|---|
| Alternative APNs |
|
| Units | 14 Units |
|---|---|
| Stories | 1 Story |
| Building Area | 11,760 sqft Gross Area |
| 1st Floor Area | 7,560 sqft |
| Interior Walls | Finished/Painted |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1970 |
| Exterior Material | Brick Veneer |
| Construction Type | Steel Frame |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 12,001 sqft (0.276 acres) |
| Lot Dimensions | 100 ft deep x 120 ft wide |
| View / Lot | Secondary Business Strip |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 35324 00180 |
|---|---|
| Street Address | 511 HEMPSTEAD AVE |
| City | WEST HEMPSTEAD |
| State | NY |
| Zip | 11552-2737 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | 18-23 |
| Legal Subdivision | HEMPSTEAD PK GDNS ADD #1 |
| Legal Block | 324 |
| Legal Lot Number | 18-23 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | HEMPSTEAD |
| Census Block Group | 4 |
| Census Block | 4012 |
| Census Tract | 406001 |
511 Hempstead Ave, a commercial property, is owned by a company that bought it in December 2016.
Source: Nassau County and Hempstead Town records, as of June 17, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 149 COVERT AVE, NEW HYDE PARK, NY 11040-4806 |
| 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 Sale | Dec 22, 2016 · Amount on File |
| Deed Sale | Dec 22, 2016 · Amount on File |
| Deed Document Number | 2016128283 |
| Deed Book / Page | D13453 / 625 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 511 Hempstead Ave was $45,440.
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 |
| Unified School District | West Hempstead Union Free School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $6,141 Land $2,940 Building $3,201 | $614,100 | |
| 2025 | $45,440.00 | ||
| 2023 | $43,396.00 | $6,141 Land $2,940 Building $3,201 | $614,100 |
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 511 Hempstead Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2011.
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 |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 2 (2011–2019) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jul 2019 · rainfall accumulation |
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 511 Hempstead 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 | WEST HEMPSTEAD WD serves 32,031 people · EPA ID NY2902857 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2025 |
| Lead | 1 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 897 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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