Suffolk County and Southampton Town property records for 4 addresses on Bay Ave, Sag Harbor, NY · Last verified August 2026
| Properties | 4 |
|---|---|
| Median Sale Price | $717,495 |
| Deeds and Mortgages on File | 6 |
| Median Price per Sqft | $510 |
| Owner Occupied | 25% |
| Median Year Built | 1997 |
| Median Ownership Tenure | 10 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18 Bay Ave |
4 bd · 2 ba · 1,888 sqft built 1994 · 0.23 acres | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
20 Bay Ave |
2 bd · 1 ba · 1,107 sqft built 1999 · 0.239 acres | $717,495 Apr 2016 | Assessor + 3 Documents Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
21 Bay Ave |
4 bd · 2 ba · 2,186 sqft built 1991 · 0.739 acres | $1,100,000 Apr 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
22 Bay Ave |
3 bd · 1 ba · 784 sqft built 1997 · 0.169 acres | $400,000 Jun 2010 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File |