Nassau County and North Hempstead Town property record for 81 Cornwell Ave, Williston Park, NY 11596
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 792 sqft · built 1941 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $533,000 (Oct 2019) |
| Tax Bill | $10,289 (2025) |
| Deeds & Mortgages | Jun 2019 Mortgage Mar 2018 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-138-00-0004 |
| Primary APN | 09-138-00-0004 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Bath |
|---|---|
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 792 sqft Living Area |
| 1st Floor Area | 792 sqft |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1941 |
| Architectural Style | Cottage |
| 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 | 231 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 09138 00040 |
|---|---|
| Street Address | 81 CORNWELL AVE |
| City | WILLISTON PARK |
| State | NY |
| Zip | 11596-1533 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #2 SCH DIST 009 |
| Legal Subdivision | WILLISTON GDN ESTS |
| Legal Block | 138 |
| Legal Lot Number | 4 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | NORTH HEMPSTEAD |
| Census Block Group | 2 |
| Census Block | 2019 |
| Census Tract | 303301 |
81 Cornwell Ave is owned and occupied by two individuals who bought it in October 2019.
Source: Nassau County and North Hempstead Town records, as of June 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 81 CORNWELL AVE, WILLISTON PARK, NY 11596-1533 |
| 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.
| Date | Document |
|---|---|
| Jun 20, 2019 | Deed of Trust, Mortgage · Conventional Mortgage BETHPAGE FCU |
| Mar 26, 2018 | Deed of Trust, Mortgage · Conventional Mortgage BETHPAGE FCU |
| Oct 3, 2019 | Grant Deed, Transfer NOT AVAILABLE |
| May 4, 2019 | Loan Modification, Consolidation and Extension, Mortgage · Conventional Mortgage BETH PAGE FCU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 3, 2019 · Amount on File |
| Deed Sale | Oct 3, 2019 · Amount on File |
| Prior Sale | Jul 6, 2016 · Amount on File |
| Deed Document Number | 201985819 |
| Deed Book / Page | 13859 / 135 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NASSAU NY |
| Property Address | 81 CORNWELL AVE, WILLISTON PARK, NY 11596-1533 |
| Transaction Type | Mortgage |
| Record Updated | Feb 7, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0435010620 |
|---|---|
| Date | Jun 20, 2019 |
| Book Page | 43501/620 |
| Instrument | 2019-051075 |
| Name | BETHPAGE FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | May 28, 2049 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NASSAU NY |
| Property Address | 81 CORNWELL AVE, WILLISTON PARK, NY 11596-1533 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0427440870 |
|---|---|
| Date | Mar 26, 2018 |
| Book Page | 42744/870 |
| Instrument | 20180026284 |
| Name | BETHPAGE FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Feb 28, 2048 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Oct 3, 2019 |
| Property Address | 81 CORNWELL AVE, WILLISTON PARK, NY 11596-1533 |
| Document Number | 0138590135 |
| Book / Page | 013859 / 000135 |
| Instrument Date | Sep 13, 2019 |
| Instrument | 85819 |
| Transaction Type | Transfer |
| Record Updated | Nov 4, 2019 |
| Title Company | NOT AVAILABLE |
| Amount | Amount on Record |
|---|---|
| Tax | $2,132.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 133 CAMPBELL AVE WILLISTON PARK NY 115961606, WILLISTON PARK, NY 11596-1606 |
| Document Type | Loan Modification, Consolidation and Extension |
|---|---|
| Jurisdiction | NASSAU NY |
| Property Address | 81 CORNWELL AVE, WILLISTON PARK, NY 11596-1533 |
| Document Number | 0435010626 |
| Instrument Date | May 4, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Jan 14, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 81 CORNWELL AVE WILLISTON PARK NY 115961533, WILLISTON PARK, NY 11596-1533 |
| Document Number | 0435010626 |
|---|---|
| Date | Jun 20, 2019 |
| Book Page | 043501/000626 |
| Name | BETH PAGE FCU |
|---|---|
| Type | Credit Union |
| Address | 899 S OYSTER BAY RD, BETHPAGE, NY 11714-1030 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 81 Cornwell Ave was $10,289.
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 | $513 Land $384 Building $129 | $513,000 | |
| 2025 | $10,289.00 | ||
| 2023 | $9,223.00 Additional exemption filed | $504 Land $377 Building $127 | $504,000 |
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 81 Cornwell 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 81 Cornwell 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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