Nassau County and Hempstead Town property record for 851 First Ave, Franklin Square, NY 11010
| Property Type | Duplex |
|---|---|
| Details | 4 ba · 1,964 sqft · built 1934 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $325,000 (Jan 2010) |
| Tax Bill | $11,880 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 35-167-00-0019 |
| Primary APN | 35-167-00-0019 |
|---|---|
| Alternative APNs |
|
| Full Baths | 4 Baths |
|---|---|
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,964 sqft Living Area |
| Gross Area | 2,039 sqft |
| 1st Floor Area | 800 sqft |
| Basement Area | 75 sqft |
| Game Room | Game Room |
| Year Built | Built 1934 |
|---|---|
| Effective Year Built | Effective 1934 |
| Architectural Style | Old Style |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 6,000 sqft (0.138 acres) |
| Lot Dimensions | 100 ft deep x 60 ft wide |
| View / Lot | Dead End |
| Garage Type | Detached |
| Garage Area | 456 sqft |
| Parking Spaces | 2 Parking Spaces |
| Balcony Area | 214 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 35167 00190 |
|---|---|
| Street Address | 851 FIRST AVE |
| City | FRANKLIN SQUARE |
| State | NY |
| Zip | 11010-1917 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | 19-21 |
| Legal Block | 167 |
| Legal Lot Number | 19-21 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | HEMPSTEAD |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 405600 |
851 First Ave, a duplex, is owned and occupied by an individual who bought it in January 2010.
Source: Nassau County and Hempstead Town records, as of June 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 851 FIRST AVE, FRANKLIN SQUARE, NY 11010-1917 |
| 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 |
|---|---|
| Last Sale | Jan 29, 2010 · Amount on File |
| Deed Sale | Jan 29, 2010 · Amount on File |
| Deed Document Number | 2010828 |
| Deed Book / Page | 12582 / 840 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 851 First Ave was $11,880.
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 | $549 Land $269 Building $280 | $549,000 | |
| 2025 | $11,880.00 | ||
| 2023 | $11,367.00 Additional exemption filed | $580 Land $284 Building $296 | $580,000 |
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 851 First Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1978.
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 | 1 in force |
| Nearby Flood Claims | 2 (1978) |
| Most Recent Claim | Dec 1978 · 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 851 First 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 | WA OF WESTERN NASSAU public/private · serves 120,000 people · EPA ID NY2902830 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2026 |
| Lead | 1 ppb (2022–2024) 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 882 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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