Suffolk County and Islip Town property record for 23 1st St, Islip, NY 11751 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.13 acres (5,663 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $345,000 (Dec 2003) |
| Tax Bill | $10,702 (2024) |
| Deeds & Mortgages | Mar 2020 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 396.-3-75 |
| Primary APN | 472889 396.-3-75 |
|---|---|
| Alternative APNs |
|
| Lot Area | 5,663 sqft (0.13 acres) |
|---|---|
| Lot Dimensions | 112 ft deep x 52.4 ft wide |
| Account Number | 035020 |
|---|---|
| Street Address | 23 1ST ST |
| City | ISLIP |
| State | NY |
| Zip | 11751-4305 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | X2217520Y182890 T059H00000000 |
| Legal Block | 6000 |
| Legal Lot Number | 300 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 3 |
| Census Block | 3014 |
| Census Tract | 147402 |
Source: Suffolk County and Islip Town records · APN 472889 396.-3-75
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 23 1ST ST, ISLIP, NY 11751-4305 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 24, 2003 · Amount on Record |
| Deed Sale | Dec 24, 2003 · Amount on Record |
| Deed Book / Page | 12291 / 801 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 23 1ST ST, ISLIP, NY 11751-4305 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0231200852 |
|---|---|
| Date | Mar 31, 2020 |
| Book Page | 23120/852 |
| Instrument | DK047990 |
| Name | BETHPAGE FCU |
|---|---|
| Type | Credit Union |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Apr 01, 2035 |
Source: Suffolk County and Islip Town records · Assessment roll updated August 11, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Islip Town |
| Unified School District | Islip Union Free School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $35,600 (-) Land $8,400 Building $27,200 | $501,409 (-) Land $118,310 Building $383,099 | |
| 2024 | $10,702.00 | $501,409 (+2.54%) Land $118,310 Building $383,099 | |
| 2023 | $35,600 Land $8,400 Building $27,200 | $489,011 Land $115,385 Building $373,626 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031474023, 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 |
| Flood Insurance Cost | Premium on Record median of 53 individual NFIP policies nearby |
| Nearby Flood Policies | 53 in force |
| Nearby Flood Claims | 75 (1978–2021) |
| Claims Outside the SFHA | 44 of 75 |
| Most Recent Claim | Sep 2021, other causes, Remnants Of Hurricane Ida |
| Claims By Storm |
|
| 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 396 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 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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