Suffolk County and Brookhaven Town property record for 10 Cornwallis Rd, Setauket, NY 11733 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,275 sqft · built 1971 |
| Lot Size | 0.45 acres (19,602 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $14,921 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0200-249.00-02.00-016.000 |
| Primary APN | 0200-249.00-02.00-016.000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,275 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Colonial |
| Exterior Material | Wood |
| Lot Area | 19,602 sqft (0.45 acres) |
| View / Lot | Waterfront |
| Heating System | Radiant |
|---|
| Account Number | 525970 |
|---|---|
| Street Address | 10 CORNWALLIS RD |
| City | EAST SETAUKET |
| State | NY |
| Zip | 11733-1108 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | NASSAKEAG RIDGE 4007 SEC 5 N 83 FT |
| Legal Subdivision | NASSAKEAG RIDGE |
| Legal Block | 9000 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 158010 |
Source: Suffolk County and Brookhaven Town records · APN 0200-249.00-02.00-016.000
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 | Individual Name on File |
|---|---|
| Mailing Address | 10 CORNWALLIS RD, EAST SETAUKET, NY 11733-1108 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and Brookhaven Town records · Assessment roll updated August 11, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Brookhaven Town |
| Unified School District | Three Village Central School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,800 (-) Land $415 Building $3,385 | $791,666 (+11,148.45%) Land $78,302 Building $638,679 | |
| 2024 | $14,921.00 | ||
| 2023 | $3,800 Land $415 Building $3,385 | $7,038 Land $769 Building $6,269 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031580101, 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 | 3 in force |
| Nearby Flood Claims | 7 (1978–2024) |
| Claims Outside the SFHA | 6 of 7 |
| Most Recent Claim | Aug 2024, rainfall accumulation, Severe Storm And Flooding |
| Wildfire Risk | Low above 4% of the US · above 5% of New York |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
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 75 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Optimum Communications | Fiber | 8,000 / 8,000 |
| Verizon | Fiber | 980 / 880 |
| Optimum Communications | Cable | 940 / 35 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
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