Suffolk County and Brookhaven Town property record for 111 Mount Grey Rd, Setauket, NY 11733
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,804 sqft · built 1987 |
| Lot Size | 2.31 acres (101,059 sqft) |
| Owner | Individual on Record |
| Last Sale | $640,000 (Apr 1999) |
| Tax Bill | $29,090 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0203-015.00-02.00-003.000 |
| Primary APN | 0203-015.00-02.00-003.000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 3,804 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Exterior Material | Wood |
| Lot Area | 101,059 sqft |
| View / Lot | Lake Front |
| Heating System | Forced Air with A/C |
|---|
| Account Number | 540480 |
|---|---|
| Street Address | 111 MOUNT GREY RD |
| City | SETAUKET |
| State | NY |
| Zip | 11733-1649 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | THE OAKS 4591 2 |
| Legal Subdivision | THE OAKS |
| Legal Block | 5000 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 158001 |
Source: Suffolk County and Brookhaven Town assessment roll, as of August 11, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual on Record |
|---|---|
| Mailing Address | 111 MOUNT GREY RD, SETAUKET, NY 11733-1649 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 28, 1999 · Amount on Record |
| Deed Sale | Apr 28, 1999 · Amount on Record |
| Deed Book / Page | 11959 / 864 |
| Record Updated | Sep 20, 2026 |
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 |
| Municipality | Old Field Village |
| Unified School District | Three Village Central School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $7,000 (-5.79%) Land $1,000 Building $6,000 | $1,458,333 (+10,499.12%) Land $188,679 Building $1,132,075 | |
| 2024 | $29,090.00 | ||
| 2023 | $7,430 Land $1,000 Building $6,430 | $13,759 Land $1,852 Building $11,907 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
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 |
| Flood Insurance Cost | Premium on Record median of 32 policies |
| Nearby Flood Policies | 32 in force |
| Nearby Flood Claims | 22 (1980–2021) |
| Claims Outside the SFHA | 10 of 22 |
| Most Recent Claim | Sep 2021 · Remnants Of Hurricane Ida |
| 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.
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 65 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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