Suffolk County and Brookhaven Town property record for 46 Mount Grey Rd, Setauket, NY 11733
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,346 sqft · built 1981 |
| Lot Size | 1.93 acres (84,071 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,076,250 (Oct 2025) |
| Tax Bill | $32,423 (2024) |
| Deeds & Mortgages | Oct 2025 Sale |
| Flood Zone | Zone AE (high risk) |
| APN | 0200-086.00-01.00-002.004 |
| Primary APN | 0200-086.00-01.00-002.004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,346 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1981 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 84,071 sqft |
| View / Lot | Canal Front |
| Heating System | Forced Air with A/C |
|---|
| Account Number | 8616489 |
|---|---|
| Street Address | 46 MOUNT GREY RD |
| City | SETAUKET |
| State | NY |
| Zip | 11733-1514 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N OLD FIELD CLUB E MT GRAY RD S#2-1 |
| Legal Subdivision | SETAUKET |
| Legal Block | 6000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 158017 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Old Field Club and Farm listed 2016 · 97 contributing resources · NRIS 15001027 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
46 Mount Grey Rd is owned by a company that bought it in October 2025.
Source: Suffolk County and Brookhaven Town records, as of August 11, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 580 5TH AVE, 1204, NEW YORK, NY 10036-4720 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
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 | Name on Deed |
|---|---|
| Last Sale | Oct 24, 2025 · Amount on File |
| Deed Sale | Oct 24, 2025 · Amount on File |
| Prior Sale | Aug 1, 2025 · Amount on File |
| Deed Book / Page | 13314 / 239 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Oct 24, 2025 |
| Property Address | 46 MOUNT GREY RD, SETAUKET, NY 11733-1514 |
| Document Number | 0133140239 |
| Book / Page | 13314 / 239 |
| Instrument Date | Aug 6, 2025 |
| Transaction Type | Transfer |
| Record Updated | Dec 31, 2025 |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 580 5TH AVE STE 1204, 1204, NEW YORK, NY 10036-4720 |
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 | $7,800 (-) Land $800 Building $7,000 | $1,625,000 (+12.5%) Land $150,943 Building $1,320,755 | |
| 2024 | $32,423.00 | $7,800 (-) Land $800 Building $7,000 | $1,444,444 (+9,900.3%) Land $148,148 Building $1,296,296 |
| 2023 | $7,800 Land $800 Building $7,000 | $14,444 Land $1,481 Building $12,963 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 46 Mount Grey Rd in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 10.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| 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 |
|
Source: USFWS Coastal Barrier Resources System, as of December 19, 2024
| Coastal Barrier Resources System | Yes |
|---|---|
| Unit | NY-16P “Stony Brook Harbor” |
| Unit Type | Otherwise Protected Area |
| NFIP Eligibility | Limited only for structures consistent with the area's protected purpose |
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 46 Mount Grey 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 | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 83 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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