Nassau County and Hempstead Town property record for 47 Olsen St, Valley Stream, NY 11580 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bathrooms | 2 Baths |
| Architecture Style | Cape Cod |
| Year Built | Built 1941 |
| Square Footage | 1,330 sqft Living Area |
| Lot Size | 6,000 sqft (0.138 acres) |
| Garage | Attached, 200 sqft |
| Occupancy | Owner Occupied |
| Tax Bill | $11,803.00 (2025) |
Source: Nassau County and Hempstead Town records · APN 37-488-00-0271
Assessment roll updated June 17, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 47 OLSEN ST, VALLEY STREAM, NY 11580-1019 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Refreshed | Sep 20, 2026 |
Source: Nassau County and Hempstead Town records · Assessment roll updated June 17, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | New York |
| County | Nassau County |
| County Subdivision | Hempstead Town |
| Elementary School District | Elmont Union Free School District (PK - 06) |
| Secondary School District | Sewanhaka Central High School District (07 - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $489 (-) Land $240 Building $249 | $489,000 (-) | |
| 2025 | $11,803.00 (+8.78%) | ||
| 2023 | $10,850.00 Homeowner's exemption | $489 Land $240 Building $249 | $489,000 |
Source: FEMA National Flood Hazard Layer, Nassau County (36059C), updated April 5, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 37-488-00-0271 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Total Rooms | 8 Rooms |
| Building Area | 1,330 sqft Living Area |
| Gross Area | 1,770 sqft Gross Area |
| 1st Floor | 950 sqft 1st Floor |
| Game Room | Game Room |
| Stories | 1 Stories |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1941 |
| Architectural Style | Cape Cod Style |
| Exterior Material | Brick/Stone (Brick and/or Stone) Exterior |
| Construction Type | Frame Construction |
| Roof Material | Other (not Classified) Roof |
| Lot Area | 6,000 sqft (0.138 acres) |
| Depth X Width | 100 ft x 60 ft Depth x Width |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 200 sqft Garage |
| Porch Area | 268 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Heating Fuel | Gas Heating Fuel |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Account Number | 37488 02710 |
|---|---|
| Street Address | 47 OLSEN ST |
| City | VALLEY STREAM |
| State | NY |
| Zip | 11580-1019 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TOWN #1 SCH DIST 016 |
| Legal Block | 488 |
| Legal Lot Number | 271 |
| Jurisdiction | NASSAU NY |
| Minor Civil Division | HEMPSTEAD |
| Census Blockgroup | 6 |
| Census Block | 6005 |
| Census Tract | 409900 |
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