Union Sq, Somerville, MA Property Records

Middlesex County and Somerville City property records for 17 addresses on Union Sq, Somerville, MA · Last verified August 2026

Union Sq Highlights

Properties 30
Median Sale Price $900,000
Deeds and Mortgages on File 4
Median Price per Sqft $83
Median Annual Tax Bill $9,662
Median Year Built 1932
Median Ownership Tenure 19 years

Properties on Union Sq

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

2 Union Sq

5,626 sqft · Built 1910 · 0.358 acres

Last Sale Tax Bill Prior Sale Owner Records
$28,2492025 1 Name on Record AssessorUpdated Apr 2026

9 Union Sq

4 bd · 2 ba · 4,933 sqft · 0.492 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Dec 2013 $37,5162025 1 Name on Record AssessorUpdated Apr 2026

11 Union Sq

2,868 sqft · Built 1910 · 0.078 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,7142025 2 Names on Record AssessorUpdated Apr 2026

15 Union Sq

3 bd · 2.5 ba · 2,176 sqft · 0.06 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$900,000Sep 2025 $15,8272025 Amount on Record Apr 2014 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

16 Union Sq

7,558 sqft · Built 1900 · 0.075 acres

Last Sale Tax Bill Prior Sale Owner Records
$525,000Feb 2000 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

21 Union Sq

8,002 sqft · Built 1900 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$41,0002025 1 Name on Record AssessorUpdated Apr 2026

31 Union Sq

18,068 sqft · Built 1900 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Names on Record AssessorUpdated Jul 2026

38 Union Sq

12,890 sqft · Built 1920 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000,000Feb 2004 $53,6932025 1 Name on Record AssessorUpdated Apr 2026

41 Union Sq

5,323 sqft · Built 1970 · 0.735 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,307,692Jan 2007 $54,6092025 2 Names on Record AssessorUpdated Apr 2026

45 Union Sq

5,284 sqft · Built 1900 · 0.161 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2013 $23,0982025 1 Name on Record AssessorUpdated Jul 2026

51 Union Sq

8,495 sqft · Built 1900 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$32,8552025 1 Name on Record AssessorUpdated Apr 2026

61 Union Sq

12,855 sqft · Built 1900 · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$41,6242025 1 Name on Record AssessorUpdated Apr 2026

65 Union Sq

1,980 sqft · Built 1920 · 0.084 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,4602025 1 Name on Record AssessorUpdated Apr 2026

66 Union Sq

14 units · Built 1932 · 125 sq ft

Last Sale Median Tax Bill Median Sale    
$6,0922025    

71 Union Sq

4,979 sqft · Built 2021 · 0.04 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,000Apr 2004 $17,9612025 1 Name on Record AssessorUpdated Apr 2026

76 Union Sq

6,310 sqft · Built 1900 · 0.074 acres

Last Sale Tax Bill Prior Sale Owner Records
$530,000Mar 2000 $25,9642025 2 Names on Record AssessorUpdated Apr 2026

92 Union Sq

9,513 sqft · Built 1900 · 0.314 acres

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

Wildfire Risk on Union Sq

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