Union St, Northampton, MA Property Records

Hampshire County and Northampton City property records for 23 addresses on Union St, Northampton, MA · Last verified August 2026

Union St Highlights

Properties 57
Median Sale Price $325,000
Deeds and Mortgages on File 44
Median Price per Sqft $251
Owner Occupied 56%
Median Annual Tax Bill $4,023
Median Year Built 1900
Median Ownership Tenure 15 years

Properties on Union St

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

6 Union St

6 bd · 3 ba · 2,849 sqft · 0.091 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$7,0742025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

9 Union St

7 bd · 2 ba · 2,397 sqft · 0.094 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$500,000Aug 2025 $6,8672025 Amount on Record Jul 2004 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

12 Union St

6 bd · 2 ba · 2,548 sqft · 0.144 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$166,000Mar 2000 $6,9722025 Amount on Record Dec 1996 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

15 Union St

6 bd · 3 ba · 3,011 sqft · 0.103 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$190,000Sep 2001 $8,4572025 Amount on Record May 1994 2 Names on Record AssessorUpdated Apr 2026

17 Union St

3 bd · 2.5 ba · 1,472 sqft · 0.214 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$560,000Oct 2018 $6,2032025 Amount on Record Jul 2018 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

19 Union St

2 bd · 2 ba · 2,051 sqft · 0.212 acres

Last Sale Tax Bill Prior Sale Owner Records
$393,000Mar 2019 $7,4552025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

20 Union St

6 bd · 3 ba · 3,584 sqft · 0.343 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$497,500Nov 2003 $10,5492025 Amount on Record Sep 1999 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

25 Union St

3 units · Built 1861 · 981 sq ft

Last Sale Median Tax Bill Median Sale    
$827,000Sep 2022 $12,6082025 $525,0003 units    

26 Union St

0.321 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2011 $2,3962025 Amount on Record Nov 2010 2 Names on Record AssessorUpdated Jul 2026

28 Union St

3 bd · 1 ba · 1,692 sqft · 0.228 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$130,000Mar 1987 $8,0812025 2 Names on Record Owner Occupied AssessorUpdated Apr 2026

31 Union St

3 bd · 1 ba · 1,125 sqft · 0.151 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$24,000Jul 1976 $4,5482025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

38 Union St

5 bd · 4 ba · 0.55 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$525,000Sep 2010 $23,5352025 Amount on Record Jul 2010 2 Names on Record Owner Occupied AssessorUpdated Apr 2026

39 Union St

6 bd · 3 ba · 3,158 sqft · 0.257 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$170,000Oct 2007 $7,6672025 —Sep 1995 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

47 Union St

6 bd · 3 ba · 3,166 sqft · 0.241 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$416,000May 2005 $9,0142025 Amount on Record Aug 2000 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

50 Union St

33 units · Built 1900 · 702 sq ft

Last Sale Median Tax Bill Median Sale    
$410,000Aug 2025 $3,4522025 $279,00033 units    

53 Union St

3 bd · 2.5 ba · 2,160 sqft · 0.188 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$544,000Sep 2021 $9,7092025 Amount on Record Oct 2007 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

59 Union St

4 bd · 2 ba · 2,216 sqft · 0.18 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$200,000Mar 2007 $7,4752025 1 Name on Record AssessorUpdated Apr 2026

63 Union St

4 bd · 3 ba · 2,324 sqft · 0.146 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$801,000Jul 2022 $11,4252025 Amount on Record Aug 2016 2 Names on Record Assessor + 2 DocumentsUpdated Jul 2026

68 Union St

6 bd · 3 ba · 2,972 sqft · 0.36 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$75,000Sep 2004 $8,1142025 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

71 Union St

4 bd · 4 ba · 3,724 sqft · 0.161 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$325,000Nov 2022 $4,5022025 Amount on Record Sep 2021 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

72 Union St

5 bd · 2 ba · 2,457 sqft · 0.139 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,7572025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

74 Union St

5 bd · 2 ba · 1,596 sqft · 0.141 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,4902025 2 Names on Record Owner Occupied AssessorUpdated Apr 2026

78 Union St

4 bd · 2 ba · 2,166 sqft · 0.275 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$170,000Jun 2011 $8,1892025 Amount on Record Sep 1997 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

Wildfire Risk on Union 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