Suffolk County and Islip Town property record for 21 E Walnut St, Central Islip, NY 11722 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Lot Size | 10,019 sqft (0.23 acres) |
| Last Sale | $470,000 (2023) |
| Primary APN | 472889 122.-1-120 |
|---|---|
| Alternative APNs |
|
| Lot Area | 10,019 sqft (0.23 acres) |
|---|---|
| Depth X Width | 100 ft x 100 ft Depth x Width |
| Account Number | 347450 |
|---|---|
| Street Address | 21 E WALNUT ST |
| City | CENTRAL ISLIP |
| State | NY |
| Zip | 11722-3855 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | X2224787Y205286 T025H00000000 |
| Legal Subdivision | LONG ISLAND RAILROAD |
| Legal Block | 2000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Minor Civil Division | ISLIP |
| Census Blockgroup | 1 |
| Census Block | 1026 |
| Census Tract | 146403 |
Source: Suffolk County and Islip Town records · APN 472889 122.-1-120
Assessment roll updated August 11, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 21 E WALNUT ST, CENTRAL ISLIP, NY 11722-3855 |
| Owner Type | Owner is a Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 27, 2023 · Amount on Record |
| Deed Sale | Jul 27, 2023 · Amount on Record |
| Prior Sale | Oct 23, 2014 · Amount on Record |
| Deed Book / Page | 13211 / 417 |
| Record Refreshed | Sep 20, 2026 |
Source: Suffolk County and Islip Town records · Assessment roll updated August 11, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Islip Town |
| Unified School District | Central Islip Union Free School District (PK - 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 | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $31,900 (-) Land $6,600 Building $25,300 | |
| 2024 | $449,296 (+2.54%) Land $92,958 Building $356,338 | |
| 2023 | $31,900 Land $6,600 Building $25,300 | $438,186 Land $90,659 Building $347,527 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · 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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