Suffolk County and Islip Town property record for 23 Bertram St, Islip, NY 11751 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Lot Size | 7,405 sqft (0.17 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $350,000 (2011) |
| Tax Bill | $13,177.00 (2024) |
| Primary APN | 472889 270.-2-34 |
|---|---|
| Alternative APNs |
|
| Lot Area | 7,405 sqft (0.17 acres) |
|---|---|
| Lot Width | 72 ft Width |
| Account Number | 572765 |
|---|---|
| Street Address | 23 BERTRAM ST |
| City | ISLIP |
| State | NY |
| Zip | 11751-1001 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | X2213977Y192250 T043H00000000WL |
| Legal Subdivision | PINES/ISLIP |
| Legal Block | 0002 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Minor Civil Division | ISLIP |
| Census Blockgroup | 1 |
| Census Block | 1011 |
| Census Tract | 146103 |
Source: Suffolk County and Islip Town records · APN 472889 270.-2-34
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 BERTRAM ST, ISLIP, NY 11751-1001 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 24, 2011 · Amount on Record |
| Deed Sale | Aug 24, 2011 · Amount on Record |
| Prior Sale | Mar 09, 2004 · Amount on Record |
| Deed Book / Page | 12669 / 301 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 23 BERTRAM ST, ISLIP, NY 11751-1001 |
| Transaction Type | Mortgage |
| Record Updated | Nov 14, 2023 |
| Title Company | TITLE 365, TITLE365 |
| Name | Verified Name |
|---|
| Document Number | 0234340575 |
|---|---|
| Date | Jul 02, 2022 |
| Book Page | 23434/575 |
| Name | FLAGSTAR BANK FSB |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 349 Months |
| Due | Aug 01, 2051 |
| Rate Type | Adjustable Rate |
|---|
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 is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,100 (-47.06%) Land $7,100 Building $1,000 | $114,085 (-47.06%) Land $100,000 Building $14,085 | |
| 2024 | $13,177.00 | $215,493 (+2.54%) Land $100,000 Building $115,493 | |
| 2023 | $15,300 Land $7,100 Building $8,200 | $210,164 Land $97,527 Building $112,637 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| 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; lenders make the official flood determination.
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