Suffolk County and Southampton Town property records for 9 addresses on Union St, Sag Harbor, NY · Last verified August 2026
| Properties | 9 |
|---|---|
| Median Sale Price | $750,000 |
| Deeds and Mortgages on File | 8 |
| Median Price per Sqft | $323 |
| Owner Occupied | 22% |
| Median Annual Tax Bill | $3,402 |
| Median Year Built | 1991 |
| Median Ownership Tenure | 23 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2 ba · 3,048 sqft · built 1987 · 0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $495,000Jan 2001 | $4,4172024 | Amount on Record Aug 1995 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 2,316 sqft · built 1984 · 0.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $750,000Jul 2000 | $3,4022024 | Amount on Record Feb 1995 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
9,369 sqft · built 1960 · 0.96 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | AssessorUpdated Aug 2026 |
3 bd · 2 ba · 4,296 sqft · built 1991 · 0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $220,000Nov 1997 | $3,4012024 | —Nov 1997 | Owner on Record | AssessorUpdated Aug 2026 |
3,186 sqft · built 2000 · 0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,200,000May 2006 | $5,4682024 | —May 2006 | 2 Owners on Record | AssessorUpdated Aug 2026 |
4 bd · 2 ba · 2,041 sqft · built 1992 · 0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 2023 | $2,7172024 | —Apr 2023 | 2 Owners on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 2 ba · 1,840 sqft · built 1991 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,8902024 | 2 Owners on Record | AssessorUpdated Aug 2026 |
2 bd · 2 ba · 1,095 sqft · built 2004 · 0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,220,000Oct 2022 | $3,9582024 | Amount on Record Jul 2010 | Owner on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
1 bd · 1 ba · 1,600 sqft · built 1990 · 0.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $475,000Jan 2003 | $2,5482024 | Amount on Record Nov 1996 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |