William St, Westfield, MA Property Records

Hampden County and Westfield City property records for 26 addresses on William St, Westfield, MA · Last verified August 2026

William St Highlights

Properties 26
Median Sale Price $260,000
Deeds and Mortgages on File 32
Median Price per Sqft $175
Owner Occupied 54%
Median Annual Tax Bill $3,731
Median Year Built 1910
Median Ownership Tenure 10 years

Properties on William St

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

4 William St

5 bd · 2 ba · 2,444 sqft · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,8042025 2 Names on Record AssessorUpdated Apr 2026

6 William St

4 bd · 2 ba · 1,575 sqft · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$277,000Dec 2021 $4,3572025 Amount on Record May 2021 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

7 William St

3 bd · 2.5 ba · 1,280 sqft · 0.113 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000Aug 2022 $3,7222025 Amount on Record May 2016 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

8 William St

7 bd · 3 ba · 2,498 sqft · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$340,000Mar 2022 $5,4782025 Amount on Record Nov 2018 1 Name on Record Assessor + 3 DocumentsUpdated Apr 2026

9 William St

2 bd · 1 ba · 768 sqft · 0.113 acres

Last Sale Tax Bill Prior Sale Owner Records
$107,000Apr 2002 $3,0942025 Amount on Record Nov 1998 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

10 William St

4 bd · 2 ba · 1,600 sqft · 0.112 acres

Last Sale Tax Bill Prior Sale Owner Records
$69,900Dec 1999 $3,1892025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

11 William St

2 bd · 1 ba · 1,052 sqft · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$83,900Apr 1999 $3,2412025 Amount on Record Sep 1989 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

13 William St

4 bd · 1,860 sqft · 0.113 acres

Last Sale Tax Bill Prior Sale Owner Records
$328,000Dec 2025 $4,3222025 Amount on Record Sep 2013 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

14 William St

2 bd · 2 ba · 1,412 sqft · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Dec 2015 $3,1042025 Amount on Record Apr 1998 1 Name on Record AssessorUpdated Apr 2026

15 William St

3 bd · 1 ba · 1,495 sqft · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$105,000May 2002 $3,5432025 Amount on Record Sep 2000 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

16 William St

3 bd · 2 ba · 1,146 sqft · 0.206 acres

Last Sale Tax Bill Prior Sale Owner Records
$70,000Apr 2011 $3,4522025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

19 William St

6 bd · 3 ba · 3,030 sqft · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$145,000Oct 2012 $4,5982025 Amount on Record Dec 1996 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

20 William St

2 bd · 1 ba · 1,176 sqft · 0.135 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,3442025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

21 William St

3 bd · 1 ba · 1,440 sqft · 0.168 acres

Last Sale Tax Bill Prior Sale Owner Records
$188,000Sep 2018 $4,4162025 Amount on Record Mar 2018 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

22 William St

3,596 sqft · Built 1915 · 1.63 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,000Jul 1993 $9,2472025 1 Name on Record AssessorUpdated Apr 2026

23 William St

4 bd · 2 ba · 1,664 sqft · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2003 $3,6172025 2 Names on Record AssessorUpdated Apr 2026

25 William St

2 bd · 1 ba · 978 sqft · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$152,898Aug 2018 $3,1622025 Amount on Record Nov 2016 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

26 William St

6 bd · 2 ba · 2,224 sqft · 0.234 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Jan 2021 $4,1352025 Amount on Record Sep 2007 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

29 William St

3 bd · 2.5 ba · 2,080 sqft · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,7312025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

30 William St

4 bd · 4 ba · 3,456 sqft · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,1322025 1 Name on Record AssessorUpdated Apr 2026

31 William St

4 bd · 2 ba · 1,820 sqft · 0.253 acres

Last Sale Tax Bill Prior Sale Owner Records
$190,000Jul 2021 $3,5572025 —Dec 2014 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

33 William St

6 bd · 3 ba · 3,136 sqft · 0.253 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,9802025 1 Name on Record AssessorUpdated Apr 2026

34 William St

4 bd · 4 ba · 3,456 sqft · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2017 $5,1322025 Amount on Record Dec 1984 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

80 William St

4 bd · 2 ba · 1,836 sqft · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$170,000Apr 2016 $4,7162025 —Aug 2008 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

81 William St

4 bd · 1.5 ba · 1,349 sqft · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,000Aug 1997 $3,5132025 Amount on Record Jun 1994 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

83 William St

3 bd · 2 ba · 972 sqft · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Jan 2023 $3,2262025 Amount on Record Sep 2022 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

Wildfire Risk on William St

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

Property Records in Nearby Streets