Suffolk County and Islip Town property record for 45 Union Ave, Islip, NY 11751 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.28 acres (12,197 sqft) |
| Owner | Individual Name on File |
| Last Sale | $520,900 (Jun 2008) |
| Deeds & Mortgages | May 2023 Refinance Mar 2022 Refinance + 5 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 370.-4-31.1 |
| Primary APN | 472889 370.-4-31.1 |
|---|---|
| Alternative APNs |
|
| Lot Area | 12,197 sqft (0.28 acres) |
|---|---|
| Lot Width | 63 ft Width |
| Street Address | 45 UNION AVE |
|---|---|
| City | ISLIP |
| State | NY |
| Zip | 11751-3919 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T059H00000000H |
| Legal Block | 0004 |
| Legal Lot Number | 400 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 147402 |
Source: Suffolk County and Islip Town records · APN 472889 370.-4-31.1
Assessment roll updated July 8, 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 | 45 UNION AVE, ISLIP, NY 11751-3919 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| May 10, 2023 | Deed of Trust, Mortgage · Stand-Alone Refinance BETHPAGE FCU |
| Mar 10, 2022 | Deed of Trust, Mortgage · Stand-Alone Refinance ROCKET MORTGAGE |
| Apr 02, 2018 | Deed of Trust, Mortgage · Stand-Alone Refinance QUICKEN LOANS INC |
| Oct 16, 2020 | Deed of Trust, Mortgage · Stand-Alone Refinance QUICKEN LOANS INC |
| Jan 11, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS |
| Jan 11, 2020 | Loan Modification, Consolidation and Extension, Mortgage · Conventional Mortgage QUICKEN LNS |
| Mar 07, 2018 | Quit Claim Deed, Transfer SAFE HARBOR TITLE AGENCY LIMITED, SAFE HARBOR TITLE AGENCY LTD |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 26, 2008 · Amount on Record |
| Deed Sale | Jun 26, 2008 · Amount on Record |
| Prior Sale | Feb 14, 1996 · Amount on Record |
| Deed Book / Page | 12556 / 21 |
| Last Transfer Date | Jul 21, 2012 |
| Transfer Doc | 0127040616 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 45 UNION AVE, ISLIP, NY 11751-3919 |
| Transaction Type | Mortgage |
| Record Updated | Feb 13, 2024 |
| Name | Verified Name |
|---|
| Document Number | 0235050903 |
|---|---|
| Date | May 10, 2023 |
| Book Page | 23505/903 |
| Name | BETHPAGE FCU |
|---|---|
| Type | Credit Union |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 349 Months |
| Due | Jun 01, 2052 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 45 UNION AVE, ISLIP, NY 11751-3919 |
| Transaction Type | Mortgage |
| Record Updated | May 24, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0233910024 |
|---|---|
| Date | Mar 10, 2022 |
| Book Page | 23391/24 |
| Instrument | DM070173 |
| Name | ROCKET MORTGAGE |
|---|
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 229 Months |
| Due | Apr 01, 2041 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 45 UNION AVE, ISLIP, NY 11751-3919 |
| Transaction Type | Mortgage |
| Record Updated | Aug 24, 2021 |
| Title Company | TITLE SOURCE |
| Name | Verified Name |
|---|
| Document Number | 0229140022 |
|---|---|
| Date | Apr 02, 2018 |
| Book Page | 22914/22 |
| Instrument | 18-0059462 |
| Name | QUICKEN LOANS INC |
|---|---|
| Type | Lending Institution |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 97 Months |
| Due | May 01, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 45 UNION AVE, ISLIP, NY 11751-3919 |
| Transaction Type | Mortgage |
| Record Updated | Aug 24, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0231840455 |
|---|---|
| Date | Oct 16, 2020 |
| Book Page | 23184/455 |
| Instrument | DL030717 |
| Name | QUICKEN LOANS INC |
|---|---|
| Type | Lending Institution |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 01, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 45 UNION AVE, ISLIP, NY 11751-3919 |
| Document Number | 0231170180 |
| Instrument Date | Jan 11, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jun 08, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 45 UNION AVE ISLIP NY 117513919, ISLIP, NY 11751-3919 |
| Document Number | 0231170180 |
|---|---|
| Date | Mar 23, 2020 |
| Book Page | 023117/000180 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 324 Months |
| Due | Mar 22, 2047 |
| Document Type | Loan Modification, Consolidation and Extension |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 45 UNION AVE, ISLIP, NY 11751-3919 |
| Document Number | 0231170181 |
| Instrument Date | Jan 11, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jun 15, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 45 UNION AVE ISLIP NY 117513919, ISLIP, NY 11751-3919 |
| Document Number | 0231170181 |
|---|---|
| Date | Mar 23, 2020 |
| Book Page | 023117/000181 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 324 Months |
| Due | Mar 22, 2047 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 3.99% |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Mar 07, 2018 |
| Property Address | 45 UNION AVE, ISLIP, NY 11751-3919 |
| Document Number | 0129520987 |
| Book / Page | 012952 / 000987 |
| Instrument Date | Mar 06, 2018 |
| Transaction Type | Transfer |
| Record Updated | Apr 26, 2018 |
| Title Company | SAFE HARBOR TITLE AGENCY LIMITED, SAFE HARBOR TITLE AGENCY LTD |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 45 UNION AVE ISLIP NY 117513919, ISLIP, NY 11751-3919 |
Source: Suffolk County and Islip Town records · Assessment roll updated July 8, 2026 · Last verified July 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 | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $48,600 (-) Land $10,500 Building $38,100 | |
| 2024 | $684,507 (+2.54%) Land $147,887 Building $536,620 | |
| 2023 | $48,600 Land $10,500 Building $38,100 | $667,583 Land $144,231 Building $523,352 |
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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