Union County and Union Township property records for 46 addresses on William St, Union, NJ · Last verified August 2026
| Properties | 46 |
|---|---|
| Median Sale Price | $400,000 |
| Deeds and Mortgages on File | 54 |
| Median Price per Sqft | $342 |
| Owner Occupied | 93% |
| Median Annual Tax Bill | $8,490 |
| Median Year Built | 1930 |
| Median Ownership Tenure | 15 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
Built 1953 · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $141,000Feb 1993 | $10,9382025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
1 sqft · Built 1954 · 0.107 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $141,500Dec 1999 | $9,7492025 | —Jul 1996 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
Built 1955 · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $119,000Oct 1998 | $9,9822025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
Built 1953 · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $150,000May 2012 | $8,6302025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
Built 1955 · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $155,500Jul 2016 | $9,3292025 | Amount on Record Dec 2015 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
145,000 sqft · Built 1955 · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $145,000Jul 1999 | $10,7752025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
Built 1955 · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $360,000Jan 2006 | $10,4252025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,340 sqft · Built 1950 · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $490,000Jun 2023 | $10,7752025 | Amount on Record Mar 1993 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,084 sqft · Built 1955 · 0.183 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Apr 2022 | $11,1252025 | Amount on Record Feb 2022 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
Built 1929 · 0.075 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $360,000Jan 2025 | $7,8372025 | Amount on Record Nov 2005 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
140,000 sqft · Built 1929 · 0.075 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $149,000Jan 2001 | $8,6532025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
1 sqft · Built 1954 · 0.183 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $268,000Nov 2009 | $11,3122025 | Amount on Record Jan 2009 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,128 sqft · Built 1929 · 0.075 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $435,000Jul 2025 | $7,7202025 | Amount on Record Nov 2024 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,128 sqft · Built 1929 · 0.075 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $160,000Feb 2017 | $7,6732025 | Amount on Record Jun 2016 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
Built 1955 · 0.186 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $185,000Oct 2011 | $10,8452025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
Built 1929 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $141,000Jan 2002 | $7,6032025 | Amount on Record — | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,152 sqft · Built 1926 · 0.124 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $340,000Oct 2022 | $8,3732025 | Amount on Record Oct 2005 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
905 sqft · Built 1930 · 0.075 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Sep 2019 | $8,1632025 | Amount on Record Dec 2013 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
926 sqft · Built 1930 · 0.124 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $446,000Sep 2024 | $8,0232025 | Amount on Record Feb 1999 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,178 sqft · Built 1929 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $105,000Oct 1995 | $7,3932025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1,375 sqft · Built 1930 · 0.124 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $465,000Feb 2025 | $8,2102025 | Amount on Record Aug 2024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
1 sqft · Built 1929 · 0.075 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $210,000Mar 2011 | $8,1632025 | Amount on Record Dec 2002 | 2 Names on Record | AssessorUpdated Jul 2026 |
Built 1926 · 0.125 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $240,000Jan 2007 | $6,7402025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
Built 1930 · 0.075 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $105,000Aug 1993 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
Built 1930 · 0.125 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $274,900Dec 2018 | $8,7232025 | Amount on Record Feb 2018 | 1 Name on Record Owner Occupied | Assessor + 7 DocumentsUpdated Jul 2026 |
Built 1930 · 0.126 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $247,000Jan 2019 | $9,0492025 | Amount on Record Sep 2014 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,929 sqft · Built 1928 · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $339,000Oct 2005 | $11,1952025 | Amount on Record Mar 2005 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,149 sqft · Built 1927 · 0.075 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $364,000Dec 2021 | $8,1402025 | Amount on Record Jul 2007 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
Built 1930 · 0.126 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $132,500Apr 2009 | $8,1632025 | —May 2008 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
Built 1930 · 0.075 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $131,000Apr 1994 | $9,0732025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
Built 1927 · 0.127 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $169,500May 2017 | $8,0002025 | Amount on Record Dec 2016 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
Built 1930 · 0.127 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $460,000May 2026 | $8,5832025 | Amount on Record Feb 2017 | 1 Name on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jul 2026 |
Built 1929 · 0.075 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $300,000Sep 2007 | $7,9302025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,066 sqft · Built 1929 · 0.128 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $365,000Apr 2021 | $7,9072025 | Amount on Record May 2006 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
943 sqft · Built 1931 · 0.075 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Jan 2003 | $7,3232025 | Amount on Record Apr 2002 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1,294 sqft · Built 1930 · 0.128 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $136,900May 2014 | $8,8632025 | Amount on Record Mar 2014 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
Built 1929 · 0.08 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $107,000Aug 2001 | $7,2302025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,266 sqft · Built 1930 · 0.123 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $295,000Jun 2019 | $9,0492025 | Amount on Record Oct 2018 | 1 Name on Record | Assessor + 6 DocumentsUpdated Jul 2026 |
Built 1929 · 0.08 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000Oct 2001 | $9,1892025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
Built 1929 · 0.075 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $145,000Oct 2001 | $8,1632025 | Amount on Record Sep 1998 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
Built 1929 · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $129,000May 1999 | $7,8602025 | Amount on Record May 1995 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
Built 1929 · 0.082 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $221,450Nov 2004 | $8,4902025 | Amount on Record Jul 1995 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
50 sqft · Built 1929 · 0.098 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $20,000Jun 2004 | $8,0232025 | Amount on Record Oct 2002 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,178 sqft · Built 1930 · 0.08 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $82,000Jun 1993 | $6,8572025 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
1,158 sqft · Built 1929 · 0.103 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $375,000Mar 2021 | $8,6532025 | Amount on Record May 2011 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1,728 sqft · Built 1929 · 0.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $340,000Oct 2018 | $11,1482025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |