Mountain St, Plainfield, MA Property Records

Hampshire County and Plainfield Town property records for 6 addresses on Mountain St, Plainfield, MA · Last verified July 2026

Mountain St Highlights

Properties 6
Median Sale Price $298,000
Deeds and Mortgages on File 4
Median Price per Sqft $117
Owner Occupied 67%
Median Annual Tax Bill $6,939
Median Year Built 1986
Median Ownership Tenure 26 years

Properties on Mountain St

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

6 Mountain St

3 bd · 2.5 ba · 2,482 sqft · 4.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$90,000Jun 1986 $7,1552025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

9 Mountain St

7 bd · 3 ba · 4,243 sqft · 41.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Oct 2014 $13,1892025 Sale Amount Mar 1999 1 Name on Record AssessorUpdated Apr 2026

23 Mountain St

3 bd · 2.5 ba · 1,904 sqft · 24.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$298,000Jun 2020 $6,7782025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

33 Mountain St

3 bd · 2 ba · 1,755 sqft · 30 acres

Last Sale Tax Bill Prior Sale Owner Records
$42,500Nov 1997 $6,9392025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

34 Mountain St

3 bd · 1 ba · 1,632 sqft · 2.1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$95,000Mar 1996 $3,8162025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

49 Mountain St

5 bd · 2 ba · 3,088 sqft · 175 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$437,500Aug 2000 $6,9172025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026