Suffolk County and Brookhaven Town property record for 51 Hillside Rd, Stony Brook, NY 11790
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,250 sqft · built 1925 |
| Lot Size | 0.33 acres (14,375 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $15,687 (2024) |
| Deeds & Mortgages | Jun 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 0200-108.00-01.00-003.000 |
| Primary APN | 0200-108.00-01.00-003.000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,250 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Exterior Material | Wood |
| Lot Area | 14,375 sqft (0.33 acres) |
| View / Lot | Waterfront |
| Heating System | Radiant |
|---|
| Account Number | 8609235 |
|---|---|
| Street Address | 51 HILLSIDE RD |
| City | STONY BROOK |
| State | NY |
| Zip | 11790-1018 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N MELVILLE E H KNAPP S HILLSIDE RD |
| Legal Subdivision | SETAUKET |
| Legal Block | 8000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 158017 |
51 Hillside Rd is owned and occupied by two individuals who acquired it in February 2017.
Source: Suffolk County and Brookhaven Town records, as of August 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 51 HILLSIDE RD, STONY BROOK, NY 11790-1018 |
| 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 |
|---|---|
| Last Transfer Date | Feb 20, 2017 |
| Transfer Doc | 0129660674 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Jun 22, 2018 |
| Property Address | 51 HILLSIDE RD, STONY BROOK, NY 11790-1018 |
| Document Number | 0129660674 |
| Book / Page | 012966 / 000674 |
| Instrument Date | Nov 20, 2017 |
| Transaction Type | Transfer |
| Record Updated | Aug 20, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 51 HILLSIDE RD STONY BROOK NY 117901018, STONY BROOK, NY 11790-1018 |
Source: Suffolk County and Brookhaven Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Brookhaven Town |
| Unified School District | Three Village Central School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,725 Land $400 Building $3,325 | $776,041 Land $75,472 Building $627,358 | |
| 2024 | $15,687.00 | ||
| 2023 | $3,725 Land $400 Building $3,325 | $6,898 Land $741 Building $6,157 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 51 Hillside Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 32 policies |
| Nearby Flood Policies | 32 in force |
| Nearby Flood Claims | 9 (2011–2024) |
| Claims Outside the SFHA | 3 of 9 |
| Most Recent Claim | Aug 2024 · Severe Storm And Flooding |
| Claims by Event |
|
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 51 Hillside Rd is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · above 54% of New York |
|---|---|
| Wildfire Likelihood | 0.02% 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 | SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people · EPA ID NY5110526 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2024 |
| Lead | 1 ppb (2025–2027) action level 15 ppb |
| Water Quality | Asbestos resolved · Jul 2020 |
|---|---|
| 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 245 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 980 / 880 |
5G (outdoors only) and 4G LTE
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