Essex County and Montclair Township property records for 64 addresses on Union St, Montclair, NJ · Last verified August 2026
| Properties | 106 |
|---|---|
| Median Sale Price | $903,750 |
| Deeds and Mortgages on File | 138 |
| Median Price per Sqft | $394 |
| Owner Occupied | 75% |
| Median Annual Tax Bill | $16,388 |
| Median Year Built | 1912 |
| Median Ownership Tenure | 11 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3,565 sqft · Built 1895 · 0.148 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $205,000Aug 2002 | $15,4702025 | Amount on Record Jul 1994 | 1 Name on Record | AssessorUpdated Jul 2026 |
3,669 sqft · Built 1894 · 0.14 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $125,154Jun 2000 | $14,7782025 | Amount on Record May 2000 | 2 Names on Record | AssessorUpdated Jul 2026 |
2,706 sqft · Built 1880 · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $990,000Sep 2023 | $16,6382025 | Amount on Record Jun 2017 | 2 Names on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jul 2026 |
2,572 sqft · Built 1923 · 0.11 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $325,000May 2011 | $12,0632025 | —May 2011 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2,626 sqft · Built 1885 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $715,000Aug 2018 | $22,2882025 | Amount on Record Oct 2005 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
2,354 sqft · Built 1897 · 0.11 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $70,000Nov 1999 | $11,9862025 | —Nov 1999 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2,290 sqft · Built 1890 · 0.107 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,5632025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3,826 sqft · Built 1924 · 0.132 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $648,000Oct 2009 | $30,3112025 | Amount on Record Jul 2005 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
2,286 sqft · Built 1906 · 0.111 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $160,000Sep 1998 | $12,3452025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3,574 sqft · Built 1897 · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $999,000Sep 2023 | $16,8802025 | Amount on Record Feb 2008 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4,335 sqft · Built 1900 · 0.232 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $800,000Jan 2024 | $22,1512025 | —Nov 2022 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
3,302 sqft · Built 1901 · 0.101 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $600,000Oct 2024 | $13,2902025 | 1 Name on Record | AssessorUpdated Jul 2026 |
3,646 sqft · Built 1902 · 0.167 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $612,500Jul 2024 | $14,6442025 | Amount on Record May 1987 | 1 Name on Record | AssessorUpdated Jul 2026 |
3,886 sqft · Built 1902 · 0.131 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $395,000Nov 2013 | $16,3882025 | —Oct 2013 | 1 Name on Record | AssessorUpdated Jul 2026 |
6,046 sqft · Built 1864 · 0.426 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $999,000Oct 2023 | $22,6712025 | Amount on Record Mar 2014 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
2,516 sqft · Built 1875 · 0.422 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $192,500Jun 1986 | $16,8382025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2,512 sqft · Built 1880 · 0.165 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,100,000Dec 2024 | $17,5342025 | Amount on Record Mar 2006 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
0.293 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $212,500Dec 2012 | Amount on Record Mar 2008 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
16 units · Built 1952 · 441 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $295,044Aug 2023 | $5,7352025 | $250,00016 units |
Built 1922 · 0.319 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,575,000Jan 2026 | $93,7232025 | Amount on Record Feb 2018 | 2 Names on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
3,054 sqft · Built 1912 · 0.158 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $23,3152025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,666 sqft · Built 1887 · 0.222 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $903,750Jul 2024 | $15,0382025 | Amount on Record Jul 2001 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
6,174 sqft · Built 1973 · 0.253 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,700,000May 2024 | $31,1102025 | Amount on Record Nov 2011 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
0.284 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $499,000Jun 2017 | Amount on Record Oct 2003 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
15 units · Built 1908 · 1,140 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $711,000Jun 2026 | $14,2362025 | $650,00015 units |
3,151 sqft · Built 1910 · 0.169 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $542,500Jan 2011 | $23,0932025 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
14 units · Built 1923 · 461 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $275,000Jul 2026 | $8,9732025 | $313,00014 units |
8,226 sqft · Built 1963 · 0.687 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,250,000Mar 2024 | $61,1362025 | Amount on Record Oct 2000 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
7,816 sqft · Built 1928 · 0.578 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,636 sqft · Built 1865 · 0.293 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $295,000Sep 1994 | $19,5212025 | Amount on Record Aug 1989 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3,521 sqft · Built 1923 · 0.22 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $715,000Oct 2010 | $25,4142025 | Amount on Record May 2006 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3,650 sqft · Built 1922 · 0.233 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $750,000Jan 2009 | $24,7842025 | Amount on Record Oct 1993 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3,564 sqft · Built 1897 · 0.353 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $855,000May 2010 | $34,1022025 | Amount on Record Oct 2007 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4,427 sqft · Built 2003 · 0.282 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,900,000Nov 2021 | $50,9402025 | Amount on Record Sep 2017 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
5,448 sqft · Built 1910 · 0.628 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $840,000Dec 2009 | $41,0672025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5,026 sqft · Built 1989 · 0.335 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,803,750Jun 2013 | $44,2592025 | 2 Names on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jul 2026 |
6,485 sqft · Built 1910 · 0.436 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,510,000Jun 2023 | $50,2472025 | Amount on Record Dec 2019 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4,898 sqft · Built 1905 · 0.649 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,315,000Nov 2023 | $20,9802025 | —Mar 2023 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
2,978 sqft · Built 1911 · 0.25 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $23,1492025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3,048 sqft · Built 1905 · 0.352 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $570,000Aug 2014 | $27,1262025 | —Jul 2014 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
3,868 sqft · Built 1907 · 0.417 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $985,000Nov 2003 | $27,2532025 | Amount on Record Jun 2002 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
5,179 sqft · Built 1917 · 0.495 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $100,399Nov 2004 | $42,7652025 | Amount on Record Nov 2004 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4,738 sqft · Built 1865 · 0.405 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,225,000Mar 2007 | $42,6602025 | Amount on Record Jun 1995 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
5,488 sqft · Built 1915 · 0.822 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,064,500Sep 1998 | $56,7272025 | Amount on Record Dec 1991 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,980 sqft · Built 1740 · 0.832 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $875,000Jan 2020 | $30,3502025 | Amount on Record Feb 2008 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4,970 sqft · Built 1902 · 0.839 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,975,000Oct 2021 | $46,9142025 | Amount on Record Aug 2016 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
5,146 sqft · Built 1942 · 1.35 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,500,000Aug 2023 | $60,3732025 | Amount on Record Aug 2006 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3,374 sqft · Built 1926 · 0.516 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $990,000Aug 2016 | $33,9752025 | —Aug 2016 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5,434 sqft · Built 1886 · 0.951 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,825,000Jan 2017 | $58,7882025 | Amount on Record Jun 2015 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
5,165 sqft · Built 1926 · 0.932 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,875,000Aug 2018 | $48,2042025 | Amount on Record Jul 2016 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
5,326 sqft · Built 1902 · 0.73 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,640,000Oct 2020 | $48,2962025 | Amount on Record Jul 2009 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
6,362 sqft · Built 1890 · 1.16 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,900,000Feb 2025 | $59,2972025 | Amount on Record Jul 2008 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
6,476 sqft · Built 1901 · 0.585 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,835,000Jun 2022 | $46,3872025 | Amount on Record Dec 1999 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5,440 sqft · Built 1937 · 0.526 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,660,000Sep 2019 | $53,2042025 | —Jul 2019 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4,405 sqft · Built 1888 · 0.564 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,140,735Jul 2013 | $44,3682025 | Amount on Record Jul 2013 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4,690 sqft · Built 1890 · 0.789 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,300,000Mar 2026 | $29,1722025 | Amount on Record Oct 2024 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4,587 sqft · Built 1912 · 0.487 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000Sep 1998 | $40,7652025 | Amount on Record Aug 1998 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3,529 sqft · Built 1892 · 0.367 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $999,999Oct 2009 | $30,5512025 | Amount on Record Apr 2007 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3,524 sqft · Built 1898 · 0.486 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,625,000Jun 2020 | $39,7732025 | Amount on Record Jan 2017 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
4,557 sqft · Built 1916 · 0.363 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,301,000Aug 2002 | $47,8352025 | Amount on Record Jul 1991 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,906 sqft · Built 1923 · 0.281 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,750,000Dec 2024 | $28,0722025 | Amount on Record Jun 2022 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3,057 sqft · Built 1921 · 0.298 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Feb 1996 | $29,2672025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
15,541 sqft · Built 1913 · 0.769 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,425,000Jul 2025 | $47,0022025 | Amount on Record Aug 2003 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
2,520 sqft · Built 1960 · 0.462 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $835,000Sep 2010 | $28,5682025 | Amount on Record Dec 2003 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |