Suffolk County and Smithtown Town property record for 35 William St, Smithtown, NY 11787 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,239 sqft · built 1935 |
| Lot Size | 0.32 acres (13,939 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $415,000 (Feb 2021) |
| Tax Bill | $9,582 (2024) |
| Deeds & Mortgages | Feb 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 473489 134.-2-35 |
| Primary APN | 473489 134.-2-35 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Stories | 1 Story |
| Building Area | 1,239 sqft Living Area |
| Gross Area | 1,923 sqft |
| 1st Floor Area | 1,239 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1935 |
|---|---|
| Effective Year Built | Effective 1964 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 13,939 sqft (0.32 acres) |
| Lot Dimensions | 110 ft deep x 100 ft wide |
| Garage Type | Attached |
| Garage Area | 484 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Covered Porch |
| Porch Area | 380 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Street Address | 35 WILLIAM ST |
|---|---|
| City | SMITHTOWN |
| State | NY |
| Zip | 11787-5610 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 4-162951 TC-68 *20 LOT 1-2-3-4-5 BIRCHCROFT COLONY BLK W |
| Legal Block | 2 |
| Legal Lot Number | 35 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | SMITHTOWN |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 135306 |
Source: Suffolk County and Smithtown Town records · APN 473489 134.-2-35
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 | 35 WILLIAM ST, SMITHTOWN, NY 11787-5610 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 25, 2021 · Amount on Record |
| Deed Sale | Feb 25, 2021 · Amount on Record |
| Deed Book / Page | 13092 / 446 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Feb 25, 2021 |
| Property Address | 35 WILLIAM ST, SMITHTOWN, NY 11787-5610 |
| Document Number | 0130920446 |
| Book / Page | 13092 / 446 |
| Instrument Date | Aug 28, 2020 |
| Transaction Type | Transfer |
| Record Updated | Apr 21, 2026 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 106 WATERFORD RD, ISLAND PARK, NY 11558-1144 |
| Investor | Possibly a Property Investor |
| Document Number | 00DL056495 |
|---|---|
| Date | Feb 25, 2021 |
| Instrument | DL056495 |
| Name | CROSSCOUNTRY MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $3,905 (-) Land $220 Building $3,685 | $488,125 (+10,773.8%) Land $27,500 Building $460,625 | |
| 2024 | $9,582.00 | ||
| 2023 | $3,905 Land $220 Building $3,685 | $4,489 Land $253 Building $4,236 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031353063, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 2 in force |
| 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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 267 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Optimum Communications | Fiber | 8,000 / 8,000 |
| Verizon | Fiber | 2,300 / 2,300 |
| Optimum Communications | Cable | 940 / 35 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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