Nassau County and Hempstead Town property record for 641 Patterson Ave, Franklin Square, NY 11010
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,989 sqft · built 1951 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $695,000 (Dec 2015) |
| Tax Bill | $16,755 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 35-582-00-0034 |
| Primary APN | 35-582-00-0034 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,989 sqft Living Area |
| 1st Floor Area | 975 sqft |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Material | Other |
| Lot Area | 6,000 sqft (0.138 acres) |
| Lot Dimensions | 100 ft deep x 60 ft wide |
| Garage Type | Detached |
| Garage Area | 200 sqft |
| Parking Spaces | 1 Parking Space |
| Pool Area | 465 sqft |
|---|---|
| Porch | Open Frame Porch |
| Porch Area | 100 sqft |
| Patio Area | 1,212 sqft |
| Balcony Area | 39 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 35582 00340 |
|---|---|
| Street Address | 641 PATTERSON AVE |
| City | FRANKLIN SQUARE |
| State | NY |
| Zip | 11010-4105 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #1 SCH DIST 013 |
| Legal Subdivision | MAP OF MORTON ESTATES |
| Legal Block | 582 |
| Legal Lot Number | 34 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | HEMPSTEAD |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 405700 |
641 Patterson Ave is owned and occupied by two individuals who bought it in December 2015.
Source: Nassau County and Hempstead Town records, as of June 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 641 PATTERSON AVE, FRANKLIN SQUARE, NY 11010-4105 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Dec 14, 2015 · Amount on File |
| Deed Sale | Dec 14, 2015 · Amount on File |
| Deed Document Number | 201535218 |
| Deed Book / Page | D13297 / 667 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 641 Patterson Ave was $16,755 with a homeowner'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 |
| Elementary School District | Valley Stream Union Free School District 13 (PK - 06) |
| Secondary School District | Valley Stream Central High School District (07 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $697 Land $207 Building $490 | $697,000 | |
| 2025 | $16,755.00 | ||
| 2023 | $16,256.00 Additional exemption filed | $729 Land $211 Building $518 | $729,000 |
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 641 Patterson Ave in Zone X, an area of minimal flood risk.
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.
The area around 641 Patterson 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 685 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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