Suffolk County and Smithtown Town property record for 31 Dehan St, Smithtown, NY 11787
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,098 sqft · built 1970 |
| Lot Size | 0.5 acres (21,780 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $16,474 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 473489 35.-2-54 |
| Primary APN | 473489 35.-2-54 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 2,098 sqft Living Area |
| Gross Area | 3,133 sqft |
| 1st Floor Area | 2,098 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Ranch |
| Lot Area | 21,780 sqft (0.5 acres) |
| View / Lot | Suburban |
| Garage Type | Attached |
| Garage Area | 795 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Screened Porch |
| Porch Area | 240 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Sewer | Connected |
| Water Source | Commercial |
| Account Number | S60137 |
|---|---|
| Street Address | 31 DEHAN ST |
| City | SMITHTOWN |
| State | NY |
| Zip | 11787-1034 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 20-819501 TC-70 *4854 LOT 37 SUTTON ESTS SEC 2 |
| Legal Block | 2 |
| Legal Lot Number | 54 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | SMITHTOWN |
| Census Block Group | 1 |
| Census Block | 1018 |
| Census Tract | 134902 |
31 Dehan St is owned and occupied by two individuals.
Source: Suffolk County and Smithtown Town records, as of October 6, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 31 DEHAN ST, SMITHTOWN, NY 11787-1034 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: Suffolk County and Smithtown Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Smithtown Town |
| Unified School District | Smithtown Central School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $6,385 Land $500 Building $5,885 | $798,125 Land $62,500 Building $735,625 | |
| 2024 | $16,474.00 | ||
| 2023 | $6,385 Land $500 Building $5,885 | $7,339 Land $575 Building $6,764 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 31 Dehan St in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1978.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 5 (1978–2021) |
| Claims Outside the SFHA | 4 of 5 |
| Most Recent Claim | Sep 2021 · Remnants Of Hurricane Ida |
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.
Wildfire risk around 31 Dehan St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 96% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | SMITHTOWN WATER DISTRICT serves 19,635 people · EPA ID NY5105656 |
|---|---|
| Water Source | Purchased groundwater from SUFFOLK COUNTY WATER AUTHORITY |
| Last State Inspection | Dec 2025 |
| Lead | 1 ppb (2025–2027) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 330 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 2,300 / 2,300 |
May also be available: T-Mobile.
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