Suffolk County and Smithtown Town property record for 28 William St, Smithtown, NY 11787 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Lot Size | 13,939 sqft (0.32 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $389,000 (2010) |
| Tax Bill | $10,191.00 (2024) |
Source: Suffolk County and Smithtown Town records · APN 473489 134.-3-6
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 28 WILLIAM ST, SMITHTOWN, NY 11787-5612 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 17, 2010 · Amount on Record |
| Deed Sale | Sep 17, 2010 · Amount on Record |
| Prior Sale | Jun 09, 2003 · Amount on Record |
| Deed Book / Page | 12637 / 721 |
| Record Refreshed | Sep 20, 2026 |
Source: Suffolk County and Smithtown Town records · Assessment roll updated August 11, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Smithtown Town |
| Unified School District | Smithtown Central School District (KG - 12) |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,245 (-) Land $150 Building $4,095 | $530,625 (+10,775.69%) Land $18,750 Building $511,875 | |
| 2024 | $10,191.00 | ||
| 2023 | $4,245 Land $150 Building $4,095 | $4,879 Land $172 Building $4,707 |
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 | 473489 134.-3-6 |
|---|---|
| Alternative APNs |
|
| Lot Area | 13,939 sqft (0.32 acres) |
|---|
| Street Address | 28 WILLIAM ST |
|---|---|
| City | SMITHTOWN |
| State | NY |
| Zip | 11787-5612 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | 4-161826 TC-68 *20 LOTS 24-28 INC BIRCHCROFT COLONY BLK O |
| Legal Block | 3 |
| Legal Lot Number | 6 |
| Jurisdiction | SUFFOLK NY |
| Minor Civil Division | SMITHTOWN |
| Census Blockgroup | 3 |
| Census Block | 3006 |
| Census Tract | 135306 |
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