Nassau County and Oyster Bay Town property record for 56 Knowles St, Plainview, NY 11803 · Last verified June 2026
| Property Type | Commercial > Retail |
|---|---|
| Bathrooms | 3.5 Baths |
| Architecture Style | Ranch |
| Year Built | Built 1955 |
| Square Footage | 2,469 sqft Gross Area |
| Lot Size | 8,450 sqft (0.194 acres) |
| Last Sale | $500,000 (2016) |
| Tax Bill | $17,286.00 (2025) |
| Primary APN | 12-479-00-0019 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3.5 Baths |
|---|---|
| Partial Baths | 1 Partial Baths |
| Total Rooms | 6 Rooms |
| Building Area | 2,469 sqft Gross Area |
| 1st Floor | 1,372 sqft 1st Floor |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Ranch Style |
| Exterior Material | Aluminum/Vinyl Exterior |
| Construction Type | Frame Construction |
| Roof Material | Other (not Classified) Roof |
| Lot Area | 8,450 sqft (0.194 acres) |
| Depth X Width | 127 ft x 65 ft Depth x Width |
| Patio Area | 286 sqft Patio |
| Porch Area | 18 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Heating Fuel | Oil Heating Fuel |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Account Number | 12479 00190 |
|---|---|
| Street Address | 56 KNOWLES ST |
| City | PLAINVIEW |
| State | NY |
| Zip | 11803-3949 |
| Property Usage | Commercial Property Usage |
| Type | Commercial > Retail |
| Legal Description | TOWN #3 SCH DIST 019 |
| Legal Subdivision | MORTON VLG #7 |
| Legal Block | 479 |
| Legal Lot Number | 19 |
| Jurisdiction | NASSAU NY |
| Minor Civil Division | OYSTER BAY |
| Census Blockgroup | 2 |
| Census Block | 2013 |
| Census Tract | 519704 |
Source: Nassau County and Oyster Bay Town records · APN 12-479-00-0019
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 56 KNOWLES ST, PLAINVIEW, NY 11803-3949 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 20, 2016 · Amount on Record |
| Deed Sale | Sep 20, 2016 · Amount on Record |
| Prior Sale | Sep 24, 2012 |
| Deed Doc Number | 201691772 |
| Deed Book / Page | 13414 / 62 |
| Record Refreshed | Sep 20, 2026 |
Source: Nassau County and Oyster Bay Town records · Assessment roll updated June 17, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | New York |
| County | Nassau County |
| County Subdivision | Oyster Bay Town |
| Unified School District | Plainview-Old Bethpage Central School District (KG - 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 | $570 (-3.06%) Land $301 Building $269 | $570,000 (-3.06%) | |
| 2025 | $17,286.00 (+2.62%) | ||
| 2023 | $16,845.00 Additional exemption filed | $588 Land $310 Building $278 | $588,000 |
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.
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