Middlesex County and Watertown City property records for 13 addresses on Oak St, Watertown, MA · Last verified October 2026
| Properties | 13 |
|---|---|
| Median Sale Price | $395,000 |
| Deeds and Mortgages on File | 8 |
| Median Price per Sqft | $337 |
| Owner Occupied | 77% |
| Median Annual Tax Bill | $11,546 |
| Median Year Built | 1910 |
| Median Ownership Tenure | 21 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5 Oak St |
3 bd · 3.5 ba · 1,102 sqft built 1910 · 0.137 acres | $1,010,000 Apr 2022 | $11,546 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7 Oak St |
3 bd · 2 ba · 1,849 sqft built 1910 · 0.139 acres | $10,097 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8 Oak St |
3 bd · 2.5 ba · 2,564 sqft built 1880 · 0.153 acres | $12,318 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, #11 Oak St |
6 bd · 3 ba · 3,584 sqft built 1910 · 0.138 acres | $181,500 Nov 1989 | $15,814 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
14 Oak St |
3 bd · 2 ba · 1,470 sqft built 1900 · 0.088 acres | $509,500 Jun 2010 | $10,840 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
15 Oak St |
3 bd · 2.5 ba · 1,088 sqft built 1996 · 0.127 acres | $395,000 Apr 2005 | $7,795 2026 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17 Oak St |
3 bd · 2.5 ba · 1,088 sqft built 1996 · 0.126 acres | $187,900 Sep 1996 | $7,795 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18, #20 Oak St |
4 bd · 2 ba · 3,006 sqft built 1930 · 0.18 acres | $309,000 Mar 2006 | $13,202 2026 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
21 Oak St |
7 bd · 2.5 ba · 2,415 sqft built 1927 · 0.148 acres | $12,543 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
25 Oak St |
5 bd · 3 ba · 2,670 sqft built 1900 · 0.143 acres | $222,000 Nov 1994 | $12,455 2026 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
31 Oak St |
4 bd · 2 ba · 2,208 sqft built 1980 · 0.117 acres | $308,000 Jun 1999 | $11,838 2026 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
37 Oak St |
4 bd · 2 ba · 1,400 sqft built 1887 · 0.199 acres | $472,000 Apr 2014 | $7,198 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
39 Oak St |
4 bd · 3.5 ba · 2,682 sqft built 1887 · 0.199 acres | $10,124 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |