Berkshire County and Williamstown Town property records for 6 addresses on Mason St, Williamstown, MA · Last verified April 2026
| Properties | 6 |
|---|---|
| Median Sale Price | $243,500 |
| Deeds and Mortgages on File | 7 |
| Median Price per Sqft | $212 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $3,540 |
| Median Year Built | 1970 |
| Median Ownership Tenure | 7 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 1.5 ba · 1,530 sqft · built 1930 · 19 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,9832025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
3 bd · 1 ba · 1,092 sqft · built 1977 · 0.526 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000Sep 2025 | $3,1052025 | Amount on Record Dec 1992 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Apr 2026 |
2 bd · 1 ba · 1,200 sqft · built 1970 · 0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $130,000Jul 2012 | $3,1262025 | Amount on Record Dec 1987 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
3 bd · 1 ba · 1,144 sqft · built 1970 · 0.43 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,5402025 | 1 Name on Record Owner Occupied | AssessorUpdated Apr 2026 |
3 bd · 2 ba · 1,228 sqft · built 1948 · 0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $157,000Oct 2017 | $3,1562025 | Amount on Record May 2007 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Apr 2026 |
3 bd · 1.5 ba · 1,144 sqft · built 1982 · 0.733 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $243,500May 2019 | $4,3592025 | Amount on Record Feb 2008 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |