Middlesex County and Acton Town property records for 44 addresses on River St, Acton, MA · Last verified August 2026
| Properties | 44 |
|---|---|
| Median Sale Price | $875,000 |
| Deeds and Mortgages on File | 40 |
| Median Price per Sqft | $337 |
| Owner Occupied | 66% |
| Median Annual Tax Bill | $9,623 |
| Median Year Built | 2005 |
| Median Ownership Tenure | 13 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3.5 ba · 2,457 sqft · 0.247 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $560,000May 2016 | $11,5852025 | Amount on Record Jun 2004 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1992025 | 1 Name on Record | AssessorUpdated Jul 2026 |
1.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | AssessorUpdated Apr 2026 |
0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | AssessorUpdated Apr 2026 |
0.062 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4922025 | 1 Name on Record | AssessorUpdated Apr 2026 |
2 bd · 1.5 ba · 1,243 sqft · 0.318 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $129,000Jul 1992 | $8,0382025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 2 ba · 2,268 sqft · 0.148 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,9472025 | 1 Name on Record | Assessor + 1 DocumentUpdated Apr 2026 |
4 bd · 1.5 ba · 1,210 sqft · 0.31 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000May 2005 | $8,0882025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2 ba · 2,820 sqft · 7.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $875,000Jan 2017 | —Feb 2010 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,498 sqft · 0.749 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $505,000Aug 2018 | $11,7202025 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 2,201 sqft · 0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $368,000Sep 2009 | $10,1512025 | Amount on Record Oct 1987 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,602 sqft · 0.742 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $357,400Jan 2006 | $9,5512025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 1.5 ba · 1,267 sqft · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $320,000Jul 2008 | $8,3432025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 1,602 sqft · 0.742 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $384,000May 2017 | $9,4452025 | Amount on Record Jan 2006 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2.5 ba · 1,602 sqft · 0.742 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $199,205Sep 2011 | $4,5532025 | Amount on Record Jan 2006 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3.5 ba · 3,060 sqft · 0.372 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,3712025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2.5 ba · 1,602 sqft · 0.742 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $371,000Jan 2006 | $9,4452025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 3,096 sqft · 0.527 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $706,500May 2016 | $17,2412025 | Amount on Record Aug 2012 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,602 sqft · 0.742 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $395,000Oct 2015 | $9,5512025 | Amount on Record Sep 2006 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3.5 ba · 3,096 sqft · 0.648 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $612,500Jan 2013 | $17,8722025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,602 sqft · 0.742 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $349,900Mar 2006 | $9,4452025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 3,089 sqft · 0.322 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $612,681Aug 2012 | $17,0542025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 1,602 sqft · 0.742 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $179,500Feb 2006 | $5,0282025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3.5 ba · 3,126 sqft · 0.332 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $730,000Jan 2016 | $17,7062025 | Amount on Record Jun 2013 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,602 sqft · 0.742 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $521,000Sep 2021 | $9,4452025 | Amount on Record Feb 2006 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 3.5 ba · 3,230 sqft · 0.356 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $620,000Mar 2013 | $19,4742025 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,802 sqft · 0.336 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $590,300Aug 2013 | $18,0732025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2 ba · 1,950 sqft · 0.623 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $125,000Sep 2008 | $3,7512025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3.5 ba · 2,489 sqft · 0.249 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $551,000Dec 2009 | $16,5602025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
0.019 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | AssessorUpdated Apr 2026 |
4 bd · 2.5 ba · 2,851 sqft · 0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,126,000Jul 2023 | $18,5202025 | Amount on Record Feb 2010 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 2,569 sqft · 0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $556,000Mar 2010 | $15,9632025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 1.5 ba · 1,262 sqft · 0.492 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Aug 2009 | $8,6882025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 1.5 ba · 1,699 sqft · 0.75 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,6232025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
2 bd · 1.5 ba · 738 sqft · 0.959 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,0112025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2 ba · 1,990 sqft · 1.7 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,5882025 | 1 Name on Record | AssessorUpdated Apr 2026 |
2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,500,000Nov 2021 | $8232025 | Amount on Record Jan 2007 | 1 Name on Record | Assessor + 1 DocumentUpdated Apr 2026 |
5 bd · 3.5 ba · 3,024 sqft · 0.283 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $330,000Jun 2015 | $19,6502025 | Amount on Record May 2004 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 1.5 ba · 1,469 sqft · 0.343 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $152,000Sep 1991 | $9,8002025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
0.491 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | AssessorUpdated Jul 2026 |
4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,500,000Nov 2021 | $23,9862025 | 1 Name on Record | Assessor + 1 DocumentUpdated Apr 2026 |
0.324 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | AssessorUpdated Apr 2026 |
2.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $465,000Apr 2005 | Amount on Record May 2004 | 1 Name on Record | AssessorUpdated Apr 2026 |
3 bd · 2.5 ba · 1,632 sqft · 0.46 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $629,000Jan 2024 | $11,9432025 | Amount on Record Jul 2017 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Low this street's cells rank at the 4th percentile of exposed land nationally · 10th in Massachusetts |
|---|---|
| Wildfire Likelihood | Low — less than 1 in 10,000 per year |
| Exposure | Direct 4 of 6 cells directly exposed · 6 adjoin burnable vegetation |