Suffolk County and Islip Town property record for 511 Keith Ln, West Islip, NY 11795
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.28 acres (12,197 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $418,000 (Jun 2014) |
| Tax Bill | $13,332 (2024) |
| Deeds & Mortgages | Sep 2019 Loan Modification Sep 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 474.-1-23 |
| Primary APN | 472889 474.-1-23 |
|---|---|
| Alternative APNs |
|
| Lot Area | 12,197 sqft (0.28 acres) |
|---|---|
| Lot Dimensions | 125 ft deep x 100 ft wide |
| Account Number | 644070 |
|---|---|
| Street Address | 511 KEITH LN |
| City | WEST ISLIP |
| State | NY |
| Zip | 11795-3433 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Description | X2195303Y172779 T053H00000000 |
| Legal Block | 4000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 1 |
| Census Block | 1023 |
| Census Tract | 146901 |
Source: Suffolk County and Islip 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 | 511 KEITH LN, WEST ISLIP, NY 11795-3433 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Sep 10, 2019 | Loan Modification, Consolidation and Extension, Mortgage · Conventional Mortgage TEACHERS FCU |
| Sep 10, 2019 | Deed of Trust, Mortgage · Conventional Mortgage TEACHERS FCU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 4, 2014 · Amount on Record |
| Deed Sale | Jun 4, 2014 · Amount on Record |
| Prior Sale | Aug 6, 2012 · Amount on Record |
| Deed Book / Page | 12776 / 312 |
| Prior Transfer Date | Jul 1, 2013 |
| Prior Transfer Doc | 0127340847 |
| Record Updated | Sep 20, 2026 |
| Document Type | Loan Modification, Consolidation and Extension |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 511 KEITH LN, WEST ISLIP, NY 11795-3433 |
| Document Number | 0230760125 |
| Instrument Date | Sep 10, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Jan 14, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 511 KEITH LN WEST ISLIP NY 117953433, WEST ISLIP, NY 11795-3433 |
| Document Number | 0230760125 |
|---|---|
| Date | Nov 1, 2019 |
| Book Page | 023076/000125 |
| Name | TEACHERS FCU |
|---|---|
| Type | Credit Union |
| Address | HAUPPAUGE, NY 11788 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 31, 2049 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 4.12% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 511 KEITH LN, WEST ISLIP, NY 11795-3433 |
| Document Number | 0230760124 |
| Instrument Date | Sep 10, 2019 |
| Transaction Type | Mortgage |
| Record Updated | May 20, 2021 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 511 KEITH LN WEST ISLIP NY 117953433, WEST ISLIP, NY 11795-3433 |
| Document Number | 0230760124 |
|---|---|
| Date | Nov 1, 2019 |
| Book Page | 023076/000124 |
| Name | TEACHERS FCU |
|---|---|
| Type | Credit Union |
| Address | HAUPPAUGE, NY 11788 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 31, 2049 |
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 | West Islip Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $45,300 (-) Land $8,900 Building $36,400 | $638,028 (-) Land $125,352 Building $512,676 | |
| 2024 | $13,332.00 | $638,028 (+2.54%) Land $125,352 Building $512,676 | |
| 2023 | $45,300 Land $8,900 Building $36,400 | $622,253 Land $122,253 Building $500,000 |
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 |
| Flood Insurance Cost | Premium on Record median of 12 policies |
| Nearby Flood Policies | 12 in force |
| Nearby Flood Claims | 27 (1978–2014) |
| Claims Outside the SFHA | 21 of 27 |
| Most Recent Claim | Aug 2014 · rainfall accumulation |
| 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 | 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 327 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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures