Suffolk County and Islip Town property record for 434 Washington Ave, Patchogue, NY 11772 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.17 acres (7,405 sqft) |
| Owner | Individual Name on File |
| Last Sale | $58,000 (Apr 1998) |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 51.-1-74 |
| Primary APN | 472889 51.-1-74 |
|---|---|
| Alternative APNs |
|
| Lot Area | 7,405 sqft (0.17 acres) |
|---|---|
| Lot Dimensions | 100 ft deep x 75 ft wide |
| Account Number | 276210 |
|---|---|
| Street Address | 434 WASHINGTON AVE |
| City | PATCHOGUE |
| State | NY |
| Zip | 11772-1807 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | X2207935Y211014 T006H00000000 |
| Legal Block | 1000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 2 |
| Census Block | 2023 |
| Census Tract | 145601 |
Source: Suffolk County and Islip Town records · APN 472889 51.-1-74
Assessment roll updated April 30, 2026 · Last verified July 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 | 49 HARRISON ST, BRENTWOOD, NY 11717-1425 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 21, 1998 · Amount on Record |
| Deed Sale | Apr 21, 1998 · Amount on Record |
| Deed Book / Page | 11889 / 509 |
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and Islip Town records · Assessment roll updated April 30, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Islip Town |
| Unified School District | Brentwood Union Free School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $34,400 (-) Land $7,100 Building $27,300 | |
| 2024 | $484,507 (+2.54%) Land $100,000 Building $384,507 | |
| 2023 | $34,400 Land $7,100 Building $27,300 | $472,527 Land $97,527 Building $375,000 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031456012, 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 | 1 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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 644 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Optimum Communications | Fiber | 8,000 / 8,000 |
| Verizon | Fiber | 2,300 / 2,300 |
| Optimum Communications | Cable | 940 / 35 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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