Suffolk County and Islip Town property record for 577 Main St, Islip, NY 11751 · Last verified August 2026
| Property Type | Commercial > Office > Commercial Office |
|---|---|
| Lot Size | 21,780 sqft (0.5 acres) |
| Last Sale | $1,200,000 (2009) |
Source: Suffolk County and Islip Town records · APN 472889 370.-2-48.1
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 | 577 MAIN ST, ISLIP, NY 11751-3528 |
| Owner Type | Owner is a Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 17, 2009 · Amount on Record |
| Deed Sale | Sep 17, 2009 · Amount on Record |
| Prior Sale | Dec 18, 2001 · Amount on Record |
| Deed Book / Page | 12600 / 315 |
| Prior Transfer Date | Sep 11, 2009 |
| Prior Transfer Doc | 0126000315 |
| 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 | Islip Union Free 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 | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $103,800 (-) Land $50,800 Building $53,000 | |
| 2024 | $1,461,972 (+2.54%) Land $715,493 Building $746,479 | |
| 2023 | $103,800 Land $50,800 Building $53,000 | $1,425,824 Land $697,802 Building $728,022 |
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.
| Primary APN | 472889 370.-2-48.1 |
|---|---|
| Alternative APNs |
|
| Units | 5 Units |
|---|
| Lot Area | 21,780 sqft (0.5 acres) |
|---|---|
| Lot Width | 55 ft Width |
| Street Address | 577 MAIN ST |
|---|---|
| City | ISLIP |
| State | NY |
| Zip | 11751-3528 |
| Property Usage | Commercial Property Usage |
| Type | Commercial > Office > Commercial Office |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Minor Civil Division | ISLIP |
| Census Blockgroup | 2 |
| Census Block | 2018 |
| Census Tract | 147401 |
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