Union County and Plainfield City property records for 44 addresses on Saint Marys Ave, Plainfield, NJ · Last verified October 2026
| Properties | 44 |
|---|---|
| Median Sale Price | $340,000 |
| Deeds and Mortgages on File | 56 |
| Median Price per Sqft | $336 |
| Owner Occupied | 48% |
| Median Annual Tax Bill | $8,283 |
| Median Year Built | 1921 |
| Median Ownership Tenure | 10 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
710, #14 Saint Marys Ave |
built 2003 · 0.165 acres | $94,700 Feb 2008 | $6,364 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
716, #18 Saint Marys Ave |
2,266 sqft 0.172 acres | $18,500 Oct 1977 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
720, #26 Saint Marys Ave |
3,360 sqft built 1913 · 0.344 acres | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
728, #30 Saint Marys Ave |
2,008 sqft built 1921 · 0.111 acres | $35,000 Mar 1986 | $7,659 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
732 Saint Marys Ave |
1,590 sqft built 1921 · 0.103 acres | $535,000 Oct 2024 | $7,418 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
734 Saint Marys Ave |
1,607 sqft built 1921 · 0.103 acres | $115,000 Jul 2000 | $9,274 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
736 Saint Marys Ave |
832 sqft built 1921 · 0.103 acres | $50,000 Aug 2017 | $5,677 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
738 Saint Marys Ave |
1,536 sqft built 1921 · 0.103 acres | $100,000 Jan 2015 | $6,248 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
740 Saint Marys Ave |
1,771 sqft built 1921 · 0.103 acres | $660,000 Dec 2025 | $8,649 2025 | Assessor + 5 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
742, #44 Saint Marys Ave |
882 sqft built 1921 · 0.103 acres | $215,500 Jul 2019 | $7,141 2025 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
746, #48 Saint Marys Ave |
2,096 sqft built 1921 · 0.206 acres | $560,000 Dec 2022 | $14,969 2025 | Assessor + 4 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
750 Saint Marys Ave |
0.047 acres | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
752 Saint Marys Ave |
1,184 sqft built 1921 · 0.103 acres | $6,748 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
754 Saint Marys Ave |
964 sqft built 1921 · 0.103 acres | $340,000 Sep 2026 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
756 Saint Marys Ave |
1,812 sqft built 1921 · 0.103 acres | $116,000 Dec 2008 | $7,587 2025 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
758 Saint Marys Ave |
896 sqft built 1921 · 0.103 acres | $75,000 Aug 2010 | $5,070 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
760, #62 Saint Marys Ave |
1,008 sqft built 1921 · 0.103 acres | $212,000 Jan 2019 | $6,721 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
764 Saint Marys Ave |
1,120 sqft built 1921 · 0.103 acres | $85,000 Feb 1990 | $6,552 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
766 Saint Marys Ave |
1,284 sqft built 1921 · 0.105 acres | $215,000 Sep 2018 | $8,078 2025 | Assessor + 3 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
768, #70 Saint Marys Ave |
1,568 sqft built 1921 · 0.162 acres | $75,000 Nov 2016 | $8,462 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
769, #71 Saint Marys Ave |
1,727 sqft built 1921 · 0.162 acres | $288,000 Jun 2005 | $9,078 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
800, #02 Saint Marys Ave |
1,862 sqft built 1984 · 0.162 acres | $310,000 Dec 2020 | $12,068 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
801 Saint Marys Ave |
2,704 sqft built 1921 · 0.141 acres | $105,000 Oct 1986 | $13,077 2025 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
803, #09 Saint Marys Ave |
1,862 sqft built 1971 · 0.307 acres | $135,000 May 1998 | $10,711 2025 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
804, #06 Saint Marys Ave |
1,682 sqft built 1921 · 0.117 acres | $230,000 Jan 2017 | $8,408 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
808, #810 Saint Marys Ave |
1,862 sqft built 1984 · 0.175 acres | $197,000 Jan 2001 | $12,398 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
811, #15 Saint Marys Ave |
1,937 sqft built 1921 · 0.261 acres | $115,000 Sep 1998 | $11,889 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
812, #14 Saint Marys Ave |
1,393 sqft built 1921 · 0.175 acres | $135,000 Dec 2018 | $6,248 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
816, #18 Saint Marys Ave |
1,302 sqft built 1921 · 0.175 acres | — Jul 2006 | $8,230 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
817, #19 Saint Marys Ave |
2,572 sqft built 1921 · 0.172 acres | $300,000 Jul 2007 | $10,274 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
820, #26 Saint Marys Ave |
4,648 sqft built 1890 · 0.351 acres | $700,000 Oct 2024 | $16,959 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
821, #25 Saint Marys Ave |
1,672 sqft built 1921 · 0.261 acres | $185,000 Mar 2016 | $10,265 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
827, #31 Saint Marys Ave |
1,250 sqft built 1921 · 0.261 acres | $125,000 Sep 2001 | $9,131 2025 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
828, #30 Saint Marys Ave |
1,196 sqft built 1964 · 0.175 acres | $248,000 Sep 2018 | $7,587 2025 | Assessor + 6 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
832, #34 Saint Marys Ave |
1,440 sqft built 1921 · 0.179 acres | $95,000 May 1999 | $8,890 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
833, #35 Saint Marys Ave |
810 sqft built 1946 · 0.243 acres | $129,900 Aug 2014 | $6,516 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
836, #38 Saint Marys Ave |
1,704 sqft built 1921 · 0.204 acres | $247,000 Jun 2018 | $10,113 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
837, #39 Saint Marys Ave |
970 sqft built 1951 · 0.123 acres | — Oct 1996 | $8,283 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
840, #42 Saint Marys Ave |
888 sqft built 1961 · 0.138 acres | $177,500 Dec 2008 | $8,328 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
844, #46 Saint Marys Ave |
1,012 sqft built 1961 · 0.128 acres | $295,000 May 2021 | $9,747 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
908 Saint Marys Ave |
720 sqft built 1961 · 0.089 acres | $260,000 Dec 2020 | $7,998 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
909, #11 Saint Marys Ave |
1,200 sqft built 1921 · 0.116 acres | $191,000 Feb 2017 | $7,703 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
910, #12 Saint Marys Ave |
1,408 sqft built 1921 · 0.089 acres | $280,000 Jan 2023 | $6,784 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
913, #15 Saint Marys Ave |
573 sqft built 1921 · 0.121 acres | $200,000 Jul 2024 | $5,418 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |