Suffolk County and Brookhaven Town property record for 18 Walnut Ave, Setauket, NY 11733
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 2,088 sqft · built 1929 |
| Lot Size | 0.14 acres (6,098 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $500,000 (Jul 2006) |
| Tax Bill | $12,631 (2024) |
| Deeds & Mortgages | Mar 2018 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 0205-007.00-05.00-024.000 |
| Primary APN | 0205-007.00-05.00-024.000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,088 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1929 |
|---|---|
| Effective Year Built | Effective 1929 |
| Architectural Style | Cape Cod |
| Exterior Material | Brick |
| Lot Area | 6,098 sqft (0.14 acres) |
| View / Lot | Waterfront |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Heating System | Radiant |
|---|
| Account Number | 405520 |
|---|---|
| Street Address | 18 WALNUT AVE |
| City | SETAUKET |
| State | NY |
| Zip | 11733-4020 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BAY VIEW PARK 449 151A & 152 |
| Legal Subdivision | BAY VIEW PARK |
| Legal Block | 7000 |
| Legal Lot Number | 500 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 158001 |
Source: Suffolk County and Brookhaven Town records, 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 18 WALNUT AVE, SETAUKET, NY 11733-4020 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 13, 2006 · Amount on Record |
| Deed Sale | Jul 13, 2006 · Amount on Record |
| Deed Book / Page | 12459 / 247 |
| Prior Transfer Date | Aug 12, 1998 |
| Prior Transfer Doc | 1200000282 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 18 WALNUT AVE, SETAUKET, NY 11733-4020 |
| Document Number | 0229120450 |
| Instrument Date | Mar 9, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Apr 26, 2018 |
| Name | Verified Name |
|---|---|
| Address | 18 WALNUT AVE SETAUKET NY 117334020, SETAUKET, NY 11733-4020 |
| Document Number | 0229120450 |
|---|---|
| Date | Mar 28, 2018 |
| Book Page | 022912/000450 |
| Name | MANUFACTURERS TRADE & TR |
|---|---|
| Address | BUFFALO, NY 14240 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
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 | Poquott Village |
| Unified School District | Three Village Central School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,950 (-) Land $200 Building $2,750 | $614,584 (+11,149.94%) Land $37,736 Building $518,868 | |
| 2024 | $12,631.00 | ||
| 2023 | $2,950 Land $200 Building $2,750 | $5,463 Land $370 Building $5,093 |
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 20 policies |
| Nearby Flood Policies | 20 in force |
| Nearby Flood Claims | 15 (1983–2024) |
| Claims Outside the SFHA | 9 of 15 |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 93% of the US · lower than 89% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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 184 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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