Middlesex County and Watertown City property records for 34 addresses on Olcott St, Watertown, MA · Last verified October 2026
| Properties | 34 |
|---|---|
| Median Sale Price | $830,000 |
| Deeds and Mortgages on File | 47 |
| Median Price per Sqft | $395 |
| Owner Occupied | 56% |
| Median Annual Tax Bill | $11,567 |
| Median Year Built | 1935 |
| Median Ownership Tenure | 16 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5 Olcott St |
3 bd · 2 ba · 1,800 sqft built 1939 · 0.061 acres | $142,800 May 1992 | $9,626 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9 Olcott St |
4 bd · 2 ba · 2,160 sqft built 1930 · 0.087 acres | $680,000 Jun 2017 | $11,562 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
13, #15 Olcott St |
4 bd · 2 ba · 2,630 sqft built 1930 · 0.09 acres | $819,000 Aug 2019 | $13,163 2026 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
14, #16 Olcott St |
5 bd · 3 ba · 3,042 sqft built 1936 · 0.102 acres | $1,010,000 May 2018 | $15,141 2026 | Assessor + 6 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17 Olcott St |
3 bd · 1.5 ba · 1,344 sqft built 1926 · 0.091 acres | $775,000 Aug 2025 | $10,411 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
20 Olcott St |
2 bd · 1 ba · 1,040 sqft built 1940 · 0.099 acres | $230,000 May 1998 | $9,015 2026 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
21 Olcott St |
3 bd · 1 ba · 1,320 sqft built 1930 · 0.091 acres | $410,000 Dec 2003 | $10,163 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
23 Olcott St |
6 bd · 2 ba · 2,256 sqft built 1930 · 0.091 acres | $572,000 Nov 2013 | $11,423 2026 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
24 Olcott St |
4 bd · 2 ba · 2,402 sqft built 1939 · 0.098 acres | — Apr 2016 | $12,229 2026 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
27 Olcott St |
4 bd · 2 ba · 2,475 sqft built 1939 · 0.091 acres | $262,500 Oct 1997 | $12,289 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28 Olcott St |
6 bd · 3 ba · 2,576 sqft built 1959 · 0.098 acres | $11,979 2026 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
29 Olcott St |
6 bd · 2.5 ba · 2,643 sqft built 1939 · 0.091 acres | $233,500 Jul 1989 | $13,078 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
30 Olcott St |
4 bd · 2 ba · 2,158 sqft built 1930 · 0.098 acres | $12,468 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
32 Olcott St |
4 bd · 2 ba · 2,100 sqft built 1930 · 0.098 acres | $525,000 Sep 2006 | $11,567 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
33 Olcott St |
6 bd · 3 ba · 2,496 sqft built 1950 · 0.091 acres | $12,165 2026 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
34 Olcott St |
4 bd · 3 ba · 2,314 sqft built 1965 · 0.098 acres | $630,000 Nov 2014 | $11,624 2026 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
34B Olcott St |
6 bd · 3 ba · 2,076 sqft built 1925 · 0.091 acres | $675,000 Dec 2021 | $10,399 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
36 Olcott St |
4 bd · 2 ba · 2,016 sqft built 1935 · 0.091 acres | $1,000,000 Apr 2025 | $11,516 2026 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
37 Olcott St |
5 bd · 2 ba · 2,274 sqft built 1949 · 0.11 acres | $11,318 2026 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
44 Olcott St |
3 bd · 1.5 ba · 1,575 sqft built 1900 · 0.206 acres | $265,000 Jan 1999 | $10,759 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
45, #47 Olcott St |
4 bd · 2 ba · 2,100 sqft built 1939 · 0.165 acres | $830,000 Nov 2021 | $12,052 2026 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
49 Olcott St |
4 bd · 2 ba · 2,100 sqft built 1927 · 0.091 acres | — Jun 2008 | $11,607 2026 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
50 Olcott St |
4 bd · 2 ba · 2,474 sqft built 1900 · 0.16 acres | $515,000 Nov 2002 | $12,313 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
53 Olcott St |
3 bd · 3 ba · 1,843 sqft built 1997 · 0.091 acres | $515,000 Dec 2010 | $12,461 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
55 Olcott St |
3 bd · 2.5 ba · 1,593 sqft built 1900 · 0.091 acres | $235,000 Mar 1998 | $10,368 2026 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
56 Olcott St |
3 bd · 1.5 ba · 1,344 sqft built 1900 · 0.091 acres | $536,000 Jun 2016 | $9,704 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
57, #59 Olcott St |
4 bd · 2 ba · 2,462 sqft built 1930 · 0.091 acres | $180,000 Jun 1995 | $12,316 2026 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
60 Olcott St |
3 bd · 1 ba · 1,344 sqft built 1910 · 0.091 acres | $165,000 Nov 1996 | $9,572 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
62 Olcott St |
4 bd · 3 ba · 2,512 sqft built 1935 · 0.091 acres | $950,000 Dec 2022 | $13,048 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
65 Olcott St |
6 bd · 3 ba · 2,807 sqft built 1930 · 0.183 acres | $525,000 Apr 2013 | $13,171 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
66 Olcott St |
2 bd · 1 ba · 1,049 sqft built 1975 · 0.09 acres | $562,000 Jun 2023 | $6,683 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
68 Olcott St |
2 bd · 1 ba · 1,232 sqft built 1975 · 0.09 acres | $310,000 Oct 2009 | $6,853 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
70, #72 Olcott St |
5 bd · 3 ba · 2,100 sqft built 1937 · 0.08 acres | $348,000 Dec 2001 | $10,743 2025 | Assessor + 3 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
74 Olcott St |
4 bd · 2 ba · 2,100 sqft built 1920 · 0.084 acres | $11,092 2026 | Assessor Updated Oct 2026 | 2 Owners on File |