Union Ave, Hillside, NJ Property Records

Union County and Hillside Township property records for 28 addresses on Union Ave, Hillside, NJ · Last verified August 2026

Union Ave Highlights

Properties 28
Median Sale Price $472,000
Deeds and Mortgages on File 26
Median Price per Sqft $221
Owner Occupied 93%
Median Annual Tax Bill $12,156
Median Year Built 1949
Median Ownership Tenure 17 years

Properties on Union Ave

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

682 Union Ave

3,588 sqft · Built 1934 · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$472,000Sep 2018 $16,0182025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

688 Union Ave

1,832 sqft · Built 1929 · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$495,000Oct 2022 $12,6542025 —Jun 1999 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

692 Union Ave

1,276 sqft · Built 1939 · 0.208 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$295,000Feb 2003 $13,4022025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

700 Union Ave

1,880 sqft · Built 1924 · 0.234 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$140,000Aug 1997 $12,1382025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

810 Union Ave

1,648 sqft · Built 1944 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$200,000Mar 2015 $10,7232025 Amount on Record Dec 2014 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

814 Union Ave

1,714 sqft · Built 1922 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$138,900Sep 2000 $10,2252025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

815 Union Ave

2,448 sqft · Built 1919 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$230,000Mar 2003 $11,7642025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

818 Union Ave

1,374 sqft · Built 1927 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$330,000Feb 2021 $13,4912025 Amount on Record Jun 2018 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

819 Union Ave

1,750 sqft · Built 1924 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$324,000Dec 2007 $10,6082025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

822 Union Ave

2,445 sqft · Built 1986 · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$408,000Nov 2008 $17,7982025 Amount on Record Feb 2002 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

823 Union Ave

2,169 sqft · Built 1917 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$128,000Jul 1995 $10,6432025 —May 1995 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

826 Union Ave

1,484 sqft · Built 1929 · 0.103 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$174,000Dec 2014 $10,8572025 —Oct 1998 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

827 Union Ave

1,740 sqft · Built 1928 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$310,000Jul 2011 $11,0082025 Amount on Record Dec 2009 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

831 Union Ave

1,748 sqft · Built 1929 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2002 $16,5522025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

832 Union Ave

1,552 sqft · Built 1952 · 0.103 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$175,500Sep 1987 $11,9782025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

833 Union Ave

2,148 sqft · Built 1924 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$475,000Apr 2024 $11,9962025 Amount on Record Apr 2016 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

834 Union Ave

1,776 sqft · Built 1954 · 0.123 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$133,000Jan 1998 $10,8572025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

837 Union Ave

2,004 sqft · Built 1952 · 0.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$279,000Sep 2017 $12,9842025 —Apr 2005 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

838 Union Ave

1,839 sqft · Built 1952 · 0.121 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$350,000Dec 2009 $12,8322025 Amount on Record Jan 2004 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

841 Union Ave

1,888 sqft · Built 1953 · 0.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$500,000Oct 2024 $13,4202025 Amount on Record Nov 1997 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

844 Union Ave

1,566 sqft · Built 1949 · 0.121 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$157,000Nov 1998 $11,0082025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

845 Union Ave

2,825 sqft · Built 1952 · 0.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$14,7102025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

848 Union Ave

1,850 sqft · Built 1953 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$120,000Mar 2013 $12,4942025 Amount on Record Mar 1995 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

849 Union Ave

1,936 sqft · Built 1955 · 0.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$126,000Jun 1995 $11,8092025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

852 Union Ave

1,711 sqft · Built 1952 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$12,1562025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

853 Union Ave

1,932 sqft · Built 1957 · 0.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2022 $13,7852025 Amount on Record Dec 2009 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

856 Union Ave

2,033 sqft · Built 1955 · 0.188 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$185,000May 2000 $14,6742025 Amount on Record Nov 1995 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

857 Union Ave

1,932 sqft · Built 1958 · 0.128 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$252,500Sep 2017 $11,5692025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

Property Records in Nearby Streets