Union County and Kenilworth Borough property records for 27 addresses on Union Ave, Kenilworth, NJ · Last verified October 2026
| Properties | 27 |
|---|---|
| Median Sale Price | $550,000 |
| Deeds and Mortgages on File | 26 |
| Median Price per Sqft | $352 |
| Owner Occupied | 89% |
| Median Annual Tax Bill | $11,243 |
| Median Year Built | 1953 |
| Median Ownership Tenure | 11 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
650 Union Ave |
1,248 sqft built 1951 · 0.172 acres | $550,000 May 2026 | $9,991 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
653 Union Ave |
built 1950 · 0.114 acres | $145,900 Jun 1994 | $10,501 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
654 Union Ave |
built 1954 · 0.114 acres | $11,587 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
659 Union Ave |
built 1952 · 0.114 acres | $379,000 Apr 2017 | $12,203 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
660 Union Ave |
1,414 sqft built 1954 · 0.114 acres | $499,000 Jun 2023 | $10,136 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
663 Union Ave |
built 1955 · 0.114 acres | $175,000 Aug 1987 | $11,872 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
664 Union Ave |
built 1954 · 0.137 acres | $172,000 Nov 1987 | $10,686 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
667 Union Ave |
built 1950 · 0.114 acres | $153,000 Jun 1995 | $11,243 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
668 Union Ave |
1,656 sqft built 1953 · 0.137 acres | $700,000 Dec 2024 | $12,038 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
671 Union Ave |
built 1950 · 0.172 acres | $9,600 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
674 Union Ave |
2,282 sqft built 1957 · 0.155 acres | $764,999 Jul 2024 | $14,502 2025 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
684 Union Ave |
853 sqft built 1953 · 0.114 acres | $305,000 Nov 2013 | $10,547 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
685 Union Ave |
built 1921 · 0.153 acres | $10,726 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
688 Union Ave |
built 1953 · 0.114 acres | $357,500 Apr 2004 | $12,316 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
729 Union Ave |
1,671 sqft built 1933 · 0.114 acres | $299,900 Feb 2020 | $12,806 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
731 Union Ave |
built 1971 · 0.114 acres | $330,000 Mar 2015 | $13,197 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
733 Union Ave |
built 1970 · 0.114 acres | $150,000 Oct 1989 | $11,488 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
740 Union Ave |
0.115 acres | $180,000 Aug 2015 | $497 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
741 Union Ave |
1,055 sqft built 1921 · 0.114 acres | $500,000 Dec 2024 | $9,023 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
744 Union Ave |
1,249 sqft built 1933 · 0.075 acres | $320,000 Oct 2019 | $9,275 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
745 Union Ave |
built 2003 · 0.114 acres | $407,500 Dec 2014 | $16,496 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
746 Union Ave |
built 1927 · 0.086 acres | $260,000 Sep 2008 | $8,990 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
751 Union Ave |
built 1962 · 0.16 acres | $11,918 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
752 Union Ave |
built 1972 · 0.183 acres | $280,000 Sep 2011 | $13,005 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
757 Union Ave |
0.068 acres | $451 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
763 Union Ave |
built 1949 · 0.114 acres | $240,000 Dec 2015 | $9,726 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
765 Union Ave |
2,796 sqft built 1999 · 0.114 acres | $550,000 Dec 2020 | $15,628 2025 | Assessor + 3 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |