Nassau County and North Hempstead Town property record for 642 Concord Ave, Williston Park, NY 11596
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 1,347 sqft · built 1940 |
| Lot Size | 0.148 acres (6,450 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $342,000 (Aug 2000) |
| Tax Bill | $12,377 (2025) |
| Deeds & Mortgages | Apr 2026 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-136-00-0109 |
| Primary APN | 09-136-00-0109 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Bath |
|---|---|
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,347 sqft Living Area |
| Gross Area | 1,861 sqft |
| 1st Floor Area | 962 sqft |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Architectural Style | Cape Cod |
| Exterior Material | Brick/Stone |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 6,450 sqft (0.148 acres) |
| Lot Dimensions | 130 ft deep x 50 ft wide |
| Garage Type | Attached |
| Garage Area | 202 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Enclosed Frame Porch |
|---|---|
| Porch Area | 312 sqft |
| Deck Area | 202 sqft |
| Patio Area | 30 sqft |
| Utility Building | 100 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 09136 01090 |
|---|---|
| Street Address | 642 CONCORD AVE |
| City | WILLISTON PARK |
| State | NY |
| Zip | 11596-1531 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 109,211 |
| Legal Block | 136 |
| Legal Lot Number | 109 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | NORTH HEMPSTEAD |
| Census Block Group | 2 |
| Census Block | 2021 |
| Census Tract | 303301 |
642 Concord Ave is held in a trust since March 2026.
Source: Nassau County and North Hempstead Town records, as of June 17, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 6625 103RD ST, 4B, FOREST HILLS, NY 11375-2017 |
| Owner Type | Company |
| Vesting | Trust, Irrevocable Trust |
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 | Aug 11, 2000 · Amount on File |
| Deed Sale | Aug 11, 2000 · Amount on File |
| Deed Book / Page | 11238 / 722 |
| Last Transfer Date | Mar 11, 2026 |
| Transfer Doc | D147400454 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Apr 16, 2026 |
| Property Address | 642 CONCORD AVE, WILLISTON PARK, NY 11596-1531 |
| Document Number | D147400454 |
| Book / Page | 14740 / 454 |
| Instrument Date | Mar 11, 2026 |
| Instrument | 202624815 |
| Transaction Type | Transfer |
| Record Updated | Aug 27, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Irrevocable Trust |
The 2025 property tax bill for 642 Concord Ave was $12,377.
Source: Nassau County and North Hempstead Town assessment roll, as of June 17, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Nassau County |
| County Subdivision | North Hempstead Town |
| Municipality | Williston Park Village |
| Unified School District | Herricks Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $657 Land $398 Building $259 | $657,000 | |
| 2025 | $12,377.00 | ||
| 2023 | $11,746.00 Homeowner's exemption | $657 Land $398 Building $259 | $657,000 |
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 642 Concord 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 642 Concord 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 | WILLISTON PARK (V) serves 7,287 people · EPA ID NY2902858 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2024 |
| Lead | 2 ppb (2023–2025) 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 1,039 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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