Suffolk County and Islip Town property record for 550 Islip Ave, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.17 acres (7,405 sqft) |
| Owner | 2 Individuals on Record |
| Last Sale | $262,800 (May 2016) |
| Deeds & Mortgages | Aug 2022 Refinance Aug 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 250.-2-10 |
| Primary APN | 472889 250.-2-10 |
|---|---|
| Alternative APNs |
|
| Lot Area | 7,405 sqft (0.17 acres) |
|---|---|
| Lot Dimensions | 100 ft deep x 75 ft wide |
| Account Number | 568810 |
|---|---|
| Street Address | 550 ISLIP AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-1505 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A |
| Legal Description | X2218973Y193306 T045H00000000 |
| Legal Subdivision | COLUMBUS PK #5 |
| Legal Block | 0002 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 146205 |
Source: Suffolk County and Islip Town assessment roll, 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 Individuals on Record |
|---|---|
| Mailing Address | 550 ISLIP AVE, ISLIP, NY 11751-1505 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Aug 21, 2022 | Deed of Trust, Mortgage · Stand-Alone Refinance WELLS FARGO BANK NA |
| Aug 21, 2022 | Quit Claim Deed, Transfer MISC COMPANY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 31, 2016 · Amount on Record |
| Deed Sale | May 31, 2016 · Amount on Record |
| Prior Sale | May 12, 2015 · Amount on Record |
| Deed Book / Page | D00012866 / 84 |
| Last Transfer Date | Aug 20, 2021 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 550 ISLIP AVE, ISLIP, NY 11751-1505 |
| Transaction Type | Mortgage |
| Record Updated | Dec 5, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0234500101 |
|---|---|
| Date | Aug 21, 2022 |
| Book Page | 23450/101 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 337 Months |
| Due | Sep 1, 2050 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Aug 21, 2022 |
| Property Address | 550 ISLIP AVE, ISLIP, NY 11751-1505 |
| Document Number | 0131700520 |
| Book / Page | 13170 / 520 |
| Instrument Date | Aug 20, 2021 |
| Transaction Type | Transfer |
| Record Updated | Dec 5, 2023 |
| Title Company | MISC COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 550 ISLIP AVE, ISLIP, NY 11751-1505 |
Source: Suffolk County and Islip Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Islip Town |
| Unified School District | Islip Union Free School District (KG - 12) |
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $31,100 (-) Land $6,700 Building $24,400 | |
| 2024 | $438,028 (+2.54%) Land $94,366 Building $343,662 | |
| 2023 | $31,100 (-) Land $6,700 Building $24,400 | $427,198 (+13.74%) Land $92,033 Building $335,165 |
| 2022 | $31,100 Land $6,700 Building $24,400 | $375,604 Land $80,918 Building $294,686 |
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.
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 |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (2014) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Aug 2014 · rainfall accumulation |
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 | Not rated no burnable land within 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 209 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 2,300 / 2,300 |
May also be available: T-Mobile.
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