Middlesex County and Marlborough City property records for 52 addresses on Prospect St, Marlborough, MA · Last verified October 2026
| Properties | 52 |
|---|---|
| Median Sale Price | $500,000 |
| Deeds and Mortgages on File | 70 |
| Median Price per Sqft | $251 |
| Owner Occupied | 65% |
| Median Annual Tax Bill | $5,246 |
| Median Year Built | 1910 |
| Median Ownership Tenure | 12 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1 bd · 1 ba · 18,956 sqft · built 1910 · 0.645 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | AssessorUpdated Apr 2026 |
4 bd · 2.5 ba · 2,992 sqft · built 1890 · 0.253 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $535,000May 2019 | $7,0212025 | —Aug 2017 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
3 bd · 2 ba · 3,280 sqft · built 1896 · 0.155 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Apr 2022 | Owner on Record | Assessor + 8 DocumentsUpdated Sep 2026 |
3 bd · 1.5 ba · 1,350 sqft · built 1920 · 0.119 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000Jul 2021 | $4,2652025 | Amount on Record May 2011 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
0.414 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $150,900May 1987 | Amount on Record Jan 1987 | Owner on Record | AssessorUpdated Apr 2026 |
8 bd · 3 ba · 3,341 sqft · built 1880 · 0.282 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $430,000Mar 2019 | $6,7922025 | Amount on Record Aug 2012 | Owner on Record | Assessor + 1 DocumentUpdated Oct 2026 |
3 bd · 1.5 ba · 1,663 sqft · built 1880 · 0.055 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $80,000Nov 1991 | $3,6632025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2 ba · 3,374 sqft · built 1900 · 0.112 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $365,000May 2005 | $6,2462025 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
8 bd · 4 ba · 3,114 sqft · built 1900 · 0.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Jul 2012 | $6,0702025 | Amount on Record Aug 2007 | Owner on Record | Assessor + 1 DocumentUpdated Sep 2026 |
4 bd · 2 ba · 2,353 sqft · built 1900 · 0.223 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $305,000Nov 2016 | $6,4442025 | Amount on Record Jul 2006 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
7 bd · 4 ba · 2,500 sqft · built 1900 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jul 2012 | $5,0722025 | Amount on Record Nov 2010 | Owner on Record | Assessor + 1 DocumentUpdated Oct 2026 |
3 bd · 2 ba · 2,574 sqft · built 1880 · 0.203 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $301,500Jul 2025 | $4,8282025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
4 bd · 4 ba · 2,912 sqft · built 1900 · 0.213 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $465,500Jun 2006 | $5,9892025 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 1.5 ba · 1,913 sqft · built 1890 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $290,000Apr 2018 | $4,2542025 | Amount on Record Jul 2014 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
4 bd · 2 ba · 2,071 sqft · built 1900 · 0.313 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,4232025 | Owner on Record | Assessor + 2 DocumentsUpdated Oct 2026 |
6 bd · 2 ba · 2,824 sqft · built 1880 · 0.118 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Oct 2014 | $5,6732025 | —Oct 2003 | Owner on Record | Assessor + 2 DocumentsUpdated Oct 2026 |
2 bd · 3 ba · 2,847 sqft · built 1880 · 0.323 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,1722025 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
3 bd · 1 ba · 1,482 sqft · built 1900 · 0.089 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $365,000Dec 2021 | $3,7432025 | Amount on Record Jun 2016 | Owner on Record | Assessor + 1 DocumentUpdated Sep 2026 |
4 bd · 2 ba · 1,992 sqft · built 1925 · 0.223 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $338,900Nov 2005 | $4,8122025 | Amount on Record Aug 1997 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
6 bd · 3 ba · 3,709 sqft · built 1900 · 0.07 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $200,000Jul 2008 | $6,9592025 | Amount on Record Feb 2007 | Owner on Record | Assessor + 1 DocumentUpdated Oct 2026 |
6 bd · 2 ba · 2,458 sqft · built 1860 · 0.135 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $325,000Sep 2016 | $5,6132025 | Amount on Record Oct 1987 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
6 bd · 2 ba · 2,544 sqft · built 1880 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $250,000Jul 2020 | $4,5372025 | Amount on Record Nov 2018 | 2 Owners on Record | Assessor + 4 DocumentsUpdated Oct 2026 |
8 bd · 4 ba · 3,608 sqft · built 1890 · 0.167 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $792,000Nov 2025 | $7,3432025 | Amount on Record May 2000 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
4 bd · 2 ba · 2,134 sqft · built 1880 · 0.144 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $229,000Dec 2014 | $5,3912025 | —May 2003 | Owner on Record | AssessorUpdated Oct 2026 |
4 bd · 2 ba · 2,610 sqft · built 1880 · 0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $725,000Feb 2025 | $7,2022025 | Amount on Record Jan 2012 | Owner on Record | Assessor + 2 DocumentsUpdated Oct 2026 |
4 bd · 3 ba · 3,640 sqft · built 1870 · 0.336 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $415,000Jun 2006 | $7,4992025 | Amount on Record Sep 1998 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
8 bd · 5 ba · 3,634 sqft · built 1920 · 0.546 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $198,000Jun 1995 | Owner on Record | AssessorUpdated Apr 2026 |
3 bd · 2.5 ba · 1,776 sqft · built 2002 · 0.243 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $389,000Aug 2003 | $6,1122025 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,449 sqft · built 1870 · 0.12 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $345,000Jun 2017 | $4,6332025 | Amount on Record Jan 1999 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Sep 2026 |
2 bd · 1.5 ba · 1,203 sqft · built 1910 · 0.138 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $302,000Aug 2025 | $3,2892025 | Amount on Record Jan 2005 | Owner on Record | Assessor + 2 DocumentsUpdated Oct 2026 |
3 bd · 2 ba · 1,497 sqft · built 1910 · 0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $565,000Sep 2026 | $4,7652025 | Amount on Record Apr 2022 | 2 Owners on Record Owner Occupied | Assessor + 5 DocumentsUpdated Oct 2026 |
3 bd · 1.5 ba · 1,642 sqft · built 1920 · 0.267 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Jul 2023 | $4,2702025 | Amount on Record Jun 2017 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Sep 2026 |
3 bd · 2.5 ba · 1,606 sqft · built 1960 · 0.182 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $220,000May 2015 | $5,2462025 | —Oct 2010 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 1,388 sqft · built 1967 · 0.232 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $145,000Nov 1992 | $5,4532025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 2,077 sqft · built 1986 · 0.232 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,1342025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,568 sqft · built 1910 · 0.415 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $330,000Apr 2007 | $4,7222025 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2026 |
3 bd · 2.5 ba · 2,065 sqft · built 1981 · 0.336 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,3672025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5 bd · 3.5 ba · 1,830 sqft · built 1987 · 0.276 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $209,000May 1988 | $6,2882025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 1.5 ba · 1,412 sqft · built 1955 · 0.446 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,4702025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,512 sqft · built 1958 · 0.596 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $520,000Jul 2024 | $4,5892025 | Amount on Record Oct 1991 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
3 bd · 2.5 ba · 1,556 sqft · built 1960 · 0.496 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $435,000Jul 2018 | $5,8322025 | Amount on Record Feb 2011 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
3 bd · 1.5 ba · 1,282 sqft · built 1955 · 0.396 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $610,000Nov 2024 | $4,4402025 | Amount on Record Dec 2004 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
4 bd · 1.5 ba · 1,792 sqft · built 1955 · 0.406 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $229,900Jun 2000 | $6,1002025 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2 ba · 2,131 sqft · built 1957 · 0.546 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $309,000Jun 2013 | $5,7932025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
3 bd · 2.5 ba · 1,872 sqft · built 1952 · 0.426 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Apr 2012 | $4,7972025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 1.5 ba · 1,562 sqft · built 1959 · 0.486 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Feb 2011 | $4,8322025 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 1.5 ba · 1,649 sqft · built 1958 · 0.607 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,650,000Jul 2021 | $5,2282025 | Amount on Record May 2021 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,498 sqft · built 1953 · 0.318 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jul 2014 | $4,4192025 | Amount on Record Apr 2014 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 973 sqft · built 1952 · 0.302 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $179,900Mar 2000 | $4,0562025 | Amount on Record Mar 1992 | 2 Owners on Record | Assessor + 2 DocumentsUpdated Sep 2026 |
2 bd · 1 ba · 682 sqft · built 1951 · 0.145 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $252,500Dec 2005 | $3,4772025 | Amount on Record Jul 2002 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
3 bd · 1 ba · 1,224 sqft · built 1953 · 0.195 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $256,000Jun 2002 | $4,3892025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,662 sqft · built 1951 · 0.313 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $247,000May 2011 | $4,9532025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |