Nassau County and Hempstead Town property record for 91 Cornwell Ave, Valley Stream, NY 11580
| Property Type | Single Family Home |
|---|---|
| Details | 1.5 ba · 1,259 sqft · built 1940 |
| Lot Size | 0.103 acres (4,500 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $5,786 (2025) |
| Deeds & Mortgages | Apr 2019 Transfer |
| Flood Zone | Zone X (moderate risk) |
| APN | 37-017-00-0170 |
| Primary APN | 37-017-00-0170 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,259 sqft Living Area |
| 1st Floor Area | 899 sqft |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Architectural Style | Cape Cod |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Foundation Type | Block |
| Roof Material | Other |
| Lot Area | 4,500 sqft (0.103 acres) |
| Lot Dimensions | 86 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 266 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 37017 01700 |
|---|---|
| Street Address | 91 CORNWELL AVE |
| City | VALLEY STREAM |
| State | NY |
| Zip | 11580-4765 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #1 SCH DIST 013 |
| Legal Block | 17 |
| Legal Lot Number | 170 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | HEMPSTEAD |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 410600 |
91 Cornwell Ave is owned and occupied by an individual who acquired it in April 2019.
Source: Nassau County and Hempstead Town records, as of June 17, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 91 CORNWELL AVE, VALLEY STREAM, NY 11580-4765 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Borrower in Default |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Apr 1, 2019 |
| Transfer Doc | 0137930094 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Apr 19, 2019 |
| Property Address | 91 CORNWELL AVE, VALLEY STREAM, NY 11580-4765 |
| Document Number | 0137930094 |
| Book / Page | 013793 / 000094 |
| Instrument Date | Apr 1, 2019 |
| Instrument | 33466 |
| Transaction Type | Transfer |
| Record Updated | May 13, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 91 CORNWELL AVE VALLEY STREAM NY 115804765, VALLEY STREAM, NY 11580-4765 |
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 |
| Municipality | Valley Stream Village |
| 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 | $419 (-4.12%) Land $172 Building $247 | $419,000 (-4.12%) | |
| 2025 | $5,786.00 (-12.44%) | ||
| 2023 | $6,608.00 Homeowner's exemption | $437 Land $179 Building $258 | $437,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 91 Cornwell Ave in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 25 policies |
| Nearby Flood Policies | 25 in force |
| Nearby Flood Claims | 12 (1996–2023) |
| Claims Outside the SFHA | 4 of 12 |
| Most Recent Claim | Sep 2023 · Severe Storm And Flooding |
| Claims by Event |
|
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 91 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 | LIBERTY UTILITIES NEW YORK - LYNBROOK private · serves 220,000 people · EPA ID NY2902835 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2023 |
| Lead | 5 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Corrosion control Jul 2025 |
| 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 839 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 |
May also be available: T-Mobile.
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