Middlesex County and Watertown City property records for 28 addresses on Olney St, Watertown, MA · Last verified October 2026
| Properties | 28 |
|---|---|
| Median Sale Price | $815,000 |
| Deeds and Mortgages on File | 39 |
| Median Price per Sqft | $425 |
| Owner Occupied | 75% |
| Median Annual Tax Bill | $11,100 |
| Median Year Built | 1910 |
| Median Ownership Tenure | 11 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7 Olney St |
3 bd · 2 ba · 1,521 sqft built 1910 · 0.06 acres | $396,000 Sep 2012 | $10,024 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
11 Olney St |
4 bd · 2.5 ba · 2,126 sqft built 1910 · 0.103 acres | $770,000 Apr 2017 | $11,699 2026 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
12 Olney St |
2 bd · 1.5 ba · 1,541 sqft built 1910 · 0.091 acres | $655,000 Jun 2020 | $10,136 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
13 Olney St |
4 bd · 2.5 ba · 2,032 sqft built 1915 · 0.091 acres | $278,000 Nov 2002 | $11,722 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
14 Olney St |
5 bd · 2 ba · 2,714 sqft built 1910 · 0.091 acres | $875,000 Dec 2020 | $12,592 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
15, #17 Olney St |
4 bd · 2.5 ba · 2,828 sqft built 1910 · 0.091 acres | $11,934 2026 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
20 Olney St |
6 bd · 3 ba · 4,479 sqft built 1902 · 0.183 acres | $350,000 Jul 1998 | $15,101 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
21 Olney St |
6 bd · 2 ba · 2,002 sqft built 1910 · 0.091 acres | $245,000 Nov 2014 | $11,100 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
22, #24 Olney St |
6 bd · 2 ba · 2,726 sqft built 1890 · 0.091 acres | $1,000,000 Apr 2025 | $11,893 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
25, #29 Olney St |
9 bd · 6 ba · 3,720 sqft built 1910 · 0.153 acres | $590,000 May 2001 | $16,440 2026 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
26 Olney St |
4 bd · 2 ba · 1,824 sqft built 1920 · 0.091 acres | — Nov 2013 | $11,120 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28 Olney St |
5 bd · 3.5 ba · 2,106 sqft built 1910 · 0.091 acres | $310,000 Nov 2009 | $11,208 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
31 Olney St |
3 bd · 3.5 ba · 1,824 sqft built 1890 · 0.122 acres | $750,000 Feb 2020 | $12,429 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
32 Olney St |
3 bd · 2 ba · 2,266 sqft built 1910 · 0.091 acres | — Dec 2016 | $11,480 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
35 Olney St |
5 bd · 2 ba · 2,022 sqft built 1900 · 0.091 acres | $10,474 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
39 Olney St |
3 bd · 2 ba · 948 sqft built 1920 · 0.091 acres | $630,000 Feb 2021 | $9,237 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
41 Olney St |
4 bd · 1.5 ba · 1,438 sqft built 1900 · 0.091 acres | $460,000 Dec 2015 | $10,483 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
45 Olney St |
3 bd · 1.5 ba · 1,737 sqft built 1910 · 0.091 acres | $1,100,000 Sep 2022 | $11,718 2026 | Assessor + 5 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
48 Olney St |
3 bd · 2 ba · 1,535 sqft built 1930 · 0.116 acres | $143,500 Sep 1997 | $10,093 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
49 Olney St |
3 bd · 1 ba · 1,520 sqft built 1900 · 0.091 acres | $815,000 Jun 2022 | $9,938 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
50 Olney St |
3 bd · 1.5 ba · 1,794 sqft built 1964 · 0.098 acres | $535,000 Jan 2020 | $9,149 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
51 Olney St |
3 bd · 1 ba · 1,285 sqft built 1900 · 0.091 acres | $9,498 2026 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
54 Olney St |
4 bd · 2 ba · 1,822 sqft built 1910 · 0.168 acres | $1,035,000 Jul 2024 | $12,052 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
55 Olney St |
3 bd · 1 ba · 1,384 sqft built 1899 · 0.091 acres | $331,000 Nov 2012 | $9,348 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
57, #59 Olney St |
4 bd · 2 ba · 2,363 sqft built 1910 · 0.114 acres | — Mar 2013 | $11,033 2025 | Assessor + 2 Documents Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
60 Olney St |
3 bd · 1.5 ba · 1,252 sqft built 1922 · 0.162 acres | $341,000 Jan 2010 | $9,864 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
61 Olney St |
3 bd · 1 ba · 1,770 sqft built 1910 · 0.138 acres | $167,500 May 2011 | $7,194 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
63 Olney St |
4 bd · 2 ba · 1,580 sqft built 1910 · 0.138 acres | $485,000 Aug 2016 | $7,752 2026 | Assessor Updated Oct 2026 | 2 Owners on File |