Union St, Westfield, MA Property Records

Hampden County and Westfield City property records for 85 addresses on Union St, Westfield, MA · Last verified August 2026

Union St Highlights

Properties 153
Median Sale Price $235,000
Deeds and Mortgages on File 172
Median Price per Sqft $202
Owner Occupied 53%
Median Annual Tax Bill $3,471
Median Year Built 1997
Median Ownership Tenure 7 years

Properties on Union St

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

2 Union St

0.599 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Apr 2026

6 Union St

4 bd · 5.5 ba · 6,643 sqft · built 1900 · 2 acres

Last Sale Tax Bill Prior Sale Owner Records
$758,083Aug 2024 $6,3132024 1 Name on Record AssessorUpdated Jul 2026

21 Union St

2 bd · 1 ba · 1,124 sqft · built 1950 · 0.348 acres

Last Sale Tax Bill Prior Sale Owner Records
$109,500Jan 2002 $3,7272025 Amount on Record May 2000 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

24 Union St

1.01 acres

Last Sale Tax Bill Prior Sale Owner Records
$758,083Aug 2024 $1,8622024 1 Name on Record AssessorUpdated Jul 2026

26 Union St

4 bd · 1 ba · 2,174 sqft · built 1860 · 0.303 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,5982025 1 Name on Record AssessorUpdated Jul 2026

28 Union St

3 bd · 2 ba · 3,650 sqft · built 1910 · 0.262 acres

Last Sale Tax Bill Prior Sale Owner Records
$507,500Jan 2026 $4,5692025 Amount on Record Apr 2015 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

29 Union St

4 bd · 4 ba · 2,952 sqft · built 1900 · 0.616 acres

Last Sale Tax Bill Prior Sale Owner Records
$310,000Jul 2023 $4,6892025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

30 Union St

3 bd · 2.5 ba · 1,942 sqft · built 1880 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9292025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

35 Union St

5 bd · 3 ba · 3,088 sqft · built 1930 · 0.305 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Oct 2001 $4,4572025 Amount on Record Aug 1988 2 Names on Record AssessorUpdated Apr 2026

38 Union St

4 bd · 1.5 ba · 1,716 sqft · built 1800 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$129,900Oct 2002 $3,7452025 Amount on Record Sep 1999 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

43 Union St

4 bd · 2 ba · 1,921 sqft · built 1880 · 0.233 acres

Last Sale Tax Bill Prior Sale Owner Records
$70,486Apr 2007 Amount on Record May 2001 1 Name on Record AssessorUpdated Apr 2026

45 Union St

6 bd · 3 ba · 2,961 sqft · built 1880 · 0.206 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,6182025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

50 Union St

4 bd · 2.5 ba · 2,542 sqft · built 1900 · 0.381 acres

Last Sale Tax Bill Prior Sale Owner Records
$362,000Aug 2024 $4,7602025 Amount on Record May 2021 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

51 Union St

5 bd · 2 ba · 2,012 sqft · built 1880 · 0.147 acres

Last Sale Tax Bill Prior Sale Owner Records
$58,000Jun 1999 $3,6422025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

52 Union St

4 bd · 2 ba · 2,167 sqft · built 1920 · 0.223 acres

Last Sale Tax Bill Prior Sale Owner Records
$203,000Nov 2017 $3,8602025 Amount on Record Jun 2017 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

53 Union St

6 bd · 3 ba · 2,560 sqft · built 2020 · 0.143 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,000May 2019 $6,9632025 Amount on Record May 2019 1 Name on Record Assessor + 3 DocumentsUpdated Apr 2026

54 Union St

2 bd · 1 ba · 2,316 sqft · built 1924 · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000May 2008 2 Names on Record AssessorUpdated Jul 2026

56 Union St

4 bd · 2 ba · 2,200 sqft · built 1905 · 0.271 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,3412025 1 Name on Record AssessorUpdated Apr 2026

57 Union St

22,500 sqft · built 2008 · 1.61 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2010 $62,5582025 1 Name on Record AssessorUpdated Apr 2026

58 Union St

6 bd · 3.5 ba · 3,256 sqft · built 1920 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,6962025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

61 Union St

9.99 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000,000Jan 1994 $171,2292020 Amount on Record Jun 1988 1 Name on Record AssessorUpdated Jul 2026

62 Union St

6 bd · 3 ba · 2,984 sqft · built 1920 · 0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2003 $4,7072025 Amount on Record Aug 2000 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

66 Union St

25,496 sqft · built 1975 · 0.655 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2003 $27,6362025 1 Name on Record AssessorUpdated Jun 2026

71 Union St

527 sqft · built 2023 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,0722025 2 Names on Record AssessorUpdated Apr 2026

74 Union St

5 bd · 2 ba · 1,648 sqft · built 1905 · 0.403 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Aug 2001 $4,0702025 Amount on Record Apr 2000 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

76 Union St

4 bd · 1 ba · 2,460 sqft · built 1905 · 0.342 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,900May 1995 $4,5452025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

80 Union St

3 bd · 2 ba · 1,373 sqft · built 1925 · 0.389 acres

Last Sale Tax Bill Prior Sale Owner Records
$253,000Feb 2023 $3,9322025 Amount on Record Dec 2009 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

81 Union St

3 bd · 1 ba · 2,350 sqft · built 1920 · 0.195 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,000Jul 1995 $1,1762025 2 Names on Record AssessorUpdated Apr 2026

87 Union St

4 bd · 1 ba · 1,665 sqft · built 1900 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$213,800Apr 2019 $4,8832025 Amount on Record Aug 2018 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

88 Union St

9 bd · 8 ba · 6,314 sqft · built 1981 · 0.419 acres

Last Sale Tax Bill Prior Sale Owner Records
$535,000Oct 2015 $8,7222025 Amount on Record Jun 2005 1 Name on Record AssessorUpdated Apr 2026

89 Union St

4 bd · 1.5 ba · 1,268 sqft · built 1961 · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Jun 2007 $3,7512025 Amount on Record Dec 2002 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

91 Union St

3 bd · 2 ba · 2,294 sqft · built 1884 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9632025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

92 Union St

4 bd · 2 ba · 2,024 sqft · built 1954 · 1.63 acres

Last Sale Tax Bill Prior Sale Owner Records
$165,000May 2002 $4,7032025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

96 Union St

5 bd · 2 ba · 3,295 sqft · built 1815 · 0.644 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,7922025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

97 Union St

6 bd · 2 ba · 2,436 sqft · built 1850 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2017 $4,6622025 Amount on Record Oct 2016 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

99 Union St

3 bd · 1.5 ba · 1,660 sqft · built 1925 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,8192025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

100 Union St

3 bd · 2 ba · 1,950 sqft · built 1958 · 0.445 acres

Last Sale Tax Bill Prior Sale Owner Records
$340,000Nov 2024 $4,2992025 2 Names on Record AssessorUpdated Jul 2026

102 Union St

3 bd · 1 ba · 1,855 sqft · built 1876 · 0.615 acres

Last Sale Tax Bill Prior Sale Owner Records
$170,000May 2019 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

103 Union St

3 bd · 1 ba · 1,316 sqft · built 1930 · 0.322 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,7102025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

105 Union St

6 bd · 2 ba · 2,460 sqft · built 1920 · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,0942025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

110 Union St

6 bd · 1 ba · 43,050 sqft · built 1999 · 11.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$110,000Aug 1998 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

111 Union St

18 units · Built 2020 · 936 sq ft

Last Sale Median Tax Bill Median Sale    
$281,000Oct 2025 $3,4292025 $220,00018 units    

114 Union St

4 bd · 2 ba · 1,716 sqft · built 1865 · 0.687 acres

Last Sale Tax Bill Prior Sale Owner Records
$162,100Oct 2019 Amount on Record Nov 1994 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

115 Union St

6 bd · 2 ba · 2,060 sqft · built 1860 · 0.8 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Jul 1998 $3,8342025 2 Names on Record Owner Occupied AssessorUpdated Apr 2026

117 Union St

3 bd · 1.5 ba · 3,410 sqft · built 1890 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$251,720Sep 2022 $5,2872025 —Jul 2022 1 Name on Record Assessor + 4 DocumentsUpdated Apr 2026

119 Union St

6 units · Built 1790 · 655 sq ft

Last Sale Median Tax Bill Median Sale    
$145,000Mar 2026 $2,5532025 $181,5006 units    

125 Union St

5 bd · 3 ba · 2,989 sqft · built 1750 · 0.7 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Jan 2018 $4,2202025 2 Names on Record Assessor + 1 DocumentUpdated Apr 2026

126 Union St

17,428 sqft · built 1973 · 15.8 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,406,713Aug 2020 $114,8052025 Amount on Record Dec 1999 1 Name on Record Assessor + 8 DocumentsUpdated Apr 2026

127 Union St

4 bd · 2 ba · 1,592 sqft · built 1900 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,2502025 1 Name on Record AssessorUpdated Apr 2026

134 Union St

2 bd · 1 ba · 795 sqft · built 1952 · 5.01 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,100,000May 2002 $38,2052025 1 Name on Record AssessorUpdated Apr 2026

135 Union St

5 bd · 2 ba · 1,212 sqft · built 1930 · 0.536 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Jul 2022 $4,0242025 Amount on Record Nov 2008 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

137 Union St

0.973 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,2252025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

138 Union St

5 bd · 5 ba · 4,276 sqft · built 1860 · 7 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

139 Union St

47 units · Built 2006 · 874 sq ft

Last Sale Median Tax Bill Median Sale    
$270,000Oct 2024 $3,1192025 $220,00047 units    

140 Union St

4.43 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,500,000May 2021 $64,1582025 Amount on Record Jan 1996 1 Name on Record Assessor + 3 DocumentsUpdated Apr 2026

156 Union St

0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,5932025 2 Names on Record AssessorUpdated Apr 2026

158 Union St

0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Apr 2026

162 Union St

5,400 sqft · built 1958 · 37.9 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,018,062Dec 2023 $17,6332025 Amount on Record Oct 2010 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

163 Union St

8.88 acres

Last Sale Tax Bill Prior Sale Owner Records
$624,318May 1997 2 Names on Record AssessorUpdated Jul 2026

202 Union St

34,754 sqft · built 1955 · 11.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$23,5112025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

221 Union St

43,679 sqft · built 1961 · 4.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$33,9772025 1 Name on Record AssessorUpdated Apr 2026

227 Union St

2 bd · 1 ba · 1,344 sqft · built 1930 · 6.7 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,4712025 1 Name on Record AssessorUpdated Apr 2026

229 Union St, #233

2 bd · 2 ba · 1,632 sqft · built 1910 · 0.685 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Jan 2026 $3,7132025 Amount on Record — 2 Names on Record Assessor + 5 DocumentsUpdated Jul 2026

231 Union St, #233

2.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,5232025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

234 Union St

5 bd · 2.5 ba · 2,078 sqft · built 1900 · 5.9 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2018 $4,5072025 Amount on Record Apr 2017 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

240 Union St

112 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Apr 2026

244 Union St

3 bd · 2 ba · 1,252 sqft · built 1947 · 0.725 acres

Last Sale Tax Bill Prior Sale Owner Records
$375,000Dec 2025 $4,2882025 Amount on Record Jul 2025 1 Name on Record Assessor + 5 DocumentsUpdated Apr 2026

249 Union St

2 bd · 1 ba · 1,763 sqft · built 1969 · 3.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,000Dec 2002 $4,9122025 2 Names on Record Assessor + 1 DocumentUpdated Apr 2026

251 Union St

21,652 sqft · built 1979 · 2.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$740,000Aug 2017 $22,9332025 —Jul 2014 1 Name on Record Assessor + 3 DocumentsUpdated Apr 2026

253 Union St

9,800 sqft · built 1969 · 2.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Apr 2005 $12,0682025 1 Name on Record AssessorUpdated Apr 2026

254 Union St

4 bd · 1.5 ba · 1,684 sqft · built 1900 · 3.43 acres

Last Sale Tax Bill Prior Sale Owner Records
$280,000Jun 2022 $1,4362025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

256 Union St

1.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$79,000Apr 2016 Amount on Record Mar 1992 2 Names on Record AssessorUpdated Jul 2026
Last Sale Tax Bill Prior Sale Owner Records
—Oct 2018 1 Name on Record AssessorUpdated Jun 2023

264 Union St

2 ba · 5,040 sqft · built 2002 · 1.5 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2011 $4,8332025 Amount on Record Jun 2000 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

265 Union St

2 bd · 1 ba · 1,193 sqft · built 1930 · 4.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,100Mar 2013 $3,8122025 Amount on Record Nov 2011 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

276 Union St

1,200 sqft · built 1987 · 1.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$120,000Jan 2003 $3,6292025 Amount on Record May 2002 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

288 Union St

7,860 sqft · built 1978 · 1.5 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2008 $9,5472025 Amount on Record Mar 2005 1 Name on Record AssessorUpdated Apr 2026

293 Union St

4 bd · 2 ba · 1,728 sqft · built 1930 · 0.918 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,000Jun 1998 $3,5672025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

294 Union St

5,000 sqft · built 1997 · 16 acres

Last Sale Tax Bill Prior Sale Owner Records
$567,000Sep 2020 $9,4542025 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

300 Union St

9,900 sqft · built 1979 · 1.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$625,000Sep 2018 $21,7322025 Amount on Record Mar 2015 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

317 Union St

434 sqft · built 1991 · 45 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Jun 2021 Amount on Record Jun 1996 2 Names on Record Assessor + 1 DocumentUpdated Apr 2026

342 Union St

7.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$30,000Apr 1988 2 Names on Record Assessor + 3 DocumentsUpdated Aug 2026

376 Union St

2.8 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,000Dec 2001 $1,4102025 2 Names on Record AssessorUpdated Apr 2026

388 Union St

2 bd · 1 ba · 1,390 sqft · built 1955 · 2.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$195,000Dec 2012 $3,7462025 Amount on Record Apr 2002 1 Name on Record AssessorUpdated Jul 2026

420 Union St

9,804 sqft · built 1974 · 1.39 acres

Last Sale Tax Bill Prior Sale Owner Records
$23,3212025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

Wildfire Risk on Union St

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

Wildfire RiskLow
this street's cells rank above 15% of the US · above 44% of Massachusetts
Wildfire LikelihoodLess than 1 in 10,000 per year
ExposureDirect
8 of 20 cells directly exposed · 16 adjoin burnable vegetation

Property Records in Nearby Streets