Nassau County and Hempstead Town property record for 900 Cliffside Ave, Valley Stream, NY 11581
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,464 sqft · built 1962 |
| Lot Size | 0.147 acres (6,400 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $10,635 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 39-594-00-0018 |
| Primary APN | 39-594-00-0018 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,464 sqft Living Area |
| Gross Area | 2,500 sqft |
| 1st Floor Area | 1,592 sqft |
| Basement Area | 832 sqft |
| Finished Basement | 796 sqft |
| Unfinished Basement | 36 sqft |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1962 |
| Architectural Style | Split Level |
| Exterior Material | Brick/Stone |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 6,400 sqft (0.147 acres) |
| Lot Dimensions | 100 ft deep x 64 ft wide |
| Garage Type | Basement |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 39594 00180 |
|---|---|
| Street Address | 900 CLIFFSIDE AVE |
| City | VALLEY STREAM |
| State | NY |
| Zip | 11581-3048 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #1 SCH DIST 015 |
| Legal Block | 594 |
| Legal Lot Number | 18 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | HEMPSTEAD |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 411301 |
900 Cliffside Ave is owned and occupied by two individuals.
Source: Nassau County and Hempstead Town records, as of June 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 900 CLIFFSIDE AVE, VALLEY STREAM, NY 11581-3048 |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 900 Cliffside Ave was $10,635 with a senior citizen'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 |
| Unified School District | Lawrence Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $668 Land $262 Building $406 | $668,000 | |
| 2025 | $10,635.00 | ||
| 2023 | $10,389.00 Homeowner's exemption | $737 Land $289 Building $448 | $737,000 |
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 900 Cliffside Ave in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective April 5, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 8.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 206 policies |
| Nearby Flood Policies | 206 in force |
| Nearby Flood Claims | 502 (1978–2025) |
| Claims Outside the SFHA | 217 of 502 |
| Most Recent Claim | Jul 2025 · other causes |
| 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 900 Cliffside 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 263 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 |
5G (outdoors only) and 4G LTE
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