Suffolk County and Smithtown Town property record for 11 William St, Smithtown, NY 11787 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 1 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1947 |
| Square Footage | 1,040 sqft Living Area |
| Lot Size | 5,663 sqft (0.13 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $105,000 (1995) |
| Tax Bill | $4,471.00 (2024) |
Source: Suffolk County and Smithtown Town records · APN 473489 134.-4-3
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 | Individual Name on File |
|---|---|
| Mailing Address | 11 WILLIAM ST, SMITHTOWN, NY 11787-5719 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 14, 1995 · Amount on Record |
| Deed Sale | Dec 14, 1995 · Amount on Record |
| Deed Book / Page | 11754 / 206 |
| Last Transfer Date | Jun 14, 2010 |
| Transfer Doc | 0126290032 |
| 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 | $1,575 (-) Land $60 Building $1,515 | $196,875 (+10,777.07%) Land $7,500 Building $189,375 | |
| 2024 | $4,471.00 | ||
| 2023 | $1,575 Land $60 Building $1,515 | $1,810 Land $69 Building $1,741 |
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.-4-3 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 1 Beds |
|---|---|
| Full Baths | 1 Baths |
| Building Area | 1,040 sqft Living Area |
| Gross Area | 1,418 sqft Gross Area |
| 1st Floor | 520 sqft 1st Floor |
| 2nd Floor | 520 sqft 2nd Floor |
| Stories | 2 Stories |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Exterior Material | Wood Exterior |
| Lot Area | 5,663 sqft (0.13 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 250 sqft Garage |
| Shed | 1 Shed |
|---|---|
| Shed Area | 144 sqft Shed |
| Porch Area | 256 sqft Porch |
| View | Suburban View |
| Heating System | Hot Water Heating |
|---|---|
| Heating Fuel | Oil Heating Fuel |
| Sewage | Sewage Connected |
| Water Source | Commercial Water Source |
| Street Address | 11 WILLIAM ST |
|---|---|
| City | SMITHTOWN |
| State | NY |
| Zip | 11787-5719 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | 4-162426 TC-68 *20 LOTS 9 & 10 BIRCHCROFT COLONY BLK T |
| Legal Subdivision | MAP BIRCHCROFT COLONY |
| Legal Block | 4 |
| Legal Lot Number | 3 |
| Jurisdiction | SUFFOLK NY |
| Minor Civil Division | SMITHTOWN |
| Census Blockgroup | 3 |
| Census Block | 3025 |
| Census Tract | 135306 |
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