Middlesex County and Acton Town property records for 12 units in 139 Prospect St, Acton, MA · Last verified October 2026
| Properties | 12 |
|---|---|
| Median Sale Price | $752,000 |
| Deeds and Mortgages on File | 18 |
| Median Price per Sqft | $338 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $12,333 |
| Median Year Built | 2007 |
| Median Ownership Tenure | 9 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139, Apt 1 Prospect St |
3 bd · 2.5 ba · 2,006 sqft built 2007 · 2.87 acres | $553,000 May 2017 | $12,398 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139, Apt 2 Prospect St |
3 bd · 2.5 ba · 2,006 sqft built 2007 · 2.87 acres | $680,000 Aug 2022 | $12,333 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139, Apt 3 Prospect St |
2 bd · 2.5 ba · 1,690 sqft built 2007 · 2.87 acres | $154,400 Jun 2008 | $4,392 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139, Apt 4 Prospect St |
3 bd · 2.5 ba · 2,006 sqft built 2007 · 2.87 acres | $489,000 Feb 2015 | $12,489 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139, Apt 5 Prospect St |
3 bd · 2.5 ba · 2,617 sqft built 2007 · 2.87 acres | $875,000 Oct 2025 | $13,698 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139, Apt 6 Prospect St |
2 bd · 2.5 ba · 2,006 sqft built 2007 · 2.87 acres | $171,700 Jul 2008 | $4,845 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139, Apt 7 Prospect St |
2 bd · 2.5 ba · 2,042 sqft built 2007 · 2.87 acres | $780,000 Aug 2025 | $12,336 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139, Apt 8 Prospect St |
3 bd · 2.5 ba · 2,617 sqft built 2007 · 2.87 acres | $566,000 Aug 2009 | $13,698 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139, Apt 9 Prospect St |
3 bd · 2.5 ba · 2,006 sqft built 2007 · 2.87 acres | $183,600 Jan 2015 | $4,867 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139, Apt 10 Prospect St |
3 bd · 2.5 ba · 2,006 sqft built 2007 · 2.87 acres | $780,000 Aug 2024 | $12,242 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139, Apt 11 Prospect St |
3 bd · 2.5 ba · 2,006 sqft built 2007 · 2.87 acres | $500,000 Nov 2009 | $12,273 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139, Apt 12 Prospect St |
3 bd · 2.5 ba · 2,006 sqft built 2007 · 2.87 acres | $752,000 Jun 2025 | $12,113 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |