Suffolk County and Smithtown Town property record for 31 William St, Smithtown, NY 11787 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1938 |
| Square Footage | 1,194 sqft Living Area |
| Lot Size | 10,890 sqft (0.25 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $122,000 (1995) |
| Tax Bill | $7,212.00 (2024) |
| Primary APN | 473489 134.-3-4 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Building Area | 1,194 sqft Living Area |
| 1st Floor | 1,194 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1938 |
|---|---|
| Effective Year Built | Effective 1938 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Exterior |
| Lot Area | 10,890 sqft (0.25 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 616 sqft Garage |
| View | Suburban View |
| Heating System | Hot Water Heating |
|---|---|
| Heating Fuel | Oil Heating Fuel |
| Sewage | Sewage Connected |
| Water Source | Commercial Water Source |
| Street Address | 31 WILLIAM ST |
|---|---|
| City | SMITHTOWN |
| State | NY |
| Zip | 11787-5609 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | 4-162776 TC-70 *20 LOTS 7-10 INC BIRCHCROFT COLONY BLK V |
| Legal Subdivision | MAP BIRCHCROFT COLONY |
| Legal Block | 3 |
| Legal Lot Number | 4 |
| Jurisdiction | SUFFOLK NY |
| Minor Civil Division | SMITHTOWN |
| Census Blockgroup | 3 |
| Census Block | 3007 |
| Census Tract | 135306 |
Source: Suffolk County and Smithtown Town records · APN 473489 134.-3-4
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 Company Names on File |
|---|---|
| Mailing Address | 31 WILLIAM ST, SMITHTOWN, NY 11787-5609 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Family Revocable Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 13, 1995 · Amount on Record |
| Deed Sale | Nov 13, 1995 · Amount on Record |
| Deed Book / Page | 11749 / 665 |
| Last Transfer Date | Aug 04, 2025 |
| Transfer Doc | 0133060701 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Aug 26, 2025 |
| Property Address | 31 WILLIAM ST, SMITHTOWN, NY 11787-5609 |
| Document Number | 0133060701 |
| Book / Page | 13306 / 701 |
| Instrument Date | Aug 04, 2025 |
| Transaction Type | Transfer |
| Record Updated | Apr 21, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Revocable Trust |
| Address | 31 WILLIAM ST, SMITHTOWN, NY 11787-5609 |
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 | $3,685 (-) Land $120 Building $3,565 | $460,625 (+7.5%) Land $15,000 Building $445,625 | |
| 2024 | $7,212.00 Homeowner's exemption Veteran's exemption | $3,685 (-) Land $120 Building $3,565 | $428,488 (+10,015.39%) Land $13,953 Building $414,535 |
| 2023 | $3,685 Land $120 Building $3,565 | $4,236 Land $138 Building $4,098 |
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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