Middlesex County and Woodbridge Township property records for 20 addresses on Marconi Ave, Iselin, NJ · Last verified October 2026
| Properties | 20 |
|---|---|
| Median Sale Price | $430,000 |
| Deeds and Mortgages on File | 20 |
| Median Price per Sqft | $315 |
| Owner Occupied | 75% |
| Median Annual Tax Bill | $8,240 |
| Median Year Built | 1935 |
| Median Ownership Tenure | 20 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
25 Marconi Ave |
640 sqft built 1936 · 0.091 acres | — Dec 1988 | $5,731 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28 Marconi Ave |
0.137 acres | $125,000 Aug 2002 | $2,447 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
29 Marconi Ave |
1,011 sqft built 1935 · 0.091 acres | $100,000 Oct 2003 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
31 Marconi Ave |
1,156 sqft built 1936 · 0.183 acres | $450,000 May 2022 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
41 Marconi Ave |
1,678 sqft built 1946 · 0.091 acres | $430,000 Feb 2021 | $11,486 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
42 Marconi Ave |
built 1986 · 0.385 acres | $400,000 Jul 1999 | $33,010 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
47 Marconi Ave |
1,075 sqft built 1951 · 0.114 acres | $350,000 Jan 2018 | $9,564 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
51 Marconi Ave |
1,152 sqft built 1946 · 0.114 acres | $180,000 Jul 2001 | $8,240 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
52 Marconi Ave |
1,162 sqft built 1941 · 0.137 acres | $350,000 Aug 2006 | $8,065 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
57 Marconi Ave |
1,788 sqft built 1926 · 0.091 acres | $565,000 Aug 2024 | $9,588 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
58 Marconi Ave |
840 sqft built 1941 · 0.091 acres | $335,000 Dec 2021 | $7,204 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
62 Marconi Ave |
2,509 sqft built 2008 · 0.137 acres | $570,000 Oct 2020 | $16,430 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
65 Marconi Ave |
720 sqft built 1926 · 0.137 acres | $210,000 Dec 2018 | $5,980 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
68 Marconi Ave |
2,228 sqft built 1926 · 0.091 acres | — Apr 1966 | $11,748 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
79 Marconi Ave |
1,188 sqft built 1925 · 0.137 acres | $139,000 Nov 2000 | $8,153 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
80 Marconi Ave |
1,566 sqft built 1926 · 0.091 acres | $295,000 Aug 2015 | $8,702 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
84 Marconi Ave |
936 sqft built 1926 · 0.091 acres | $57,500 Jun 1994 | $6,230 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
85 Marconi Ave |
940 sqft built 1926 · 0.091 acres | $285,000 May 2018 | $5,993 2025 | Assessor + 3 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
87 Marconi Ave |
968 sqft built 1916 · 0.091 acres | $135,000 Dec 1988 | $6,255 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
88 Marconi Ave |
1,700 sqft built 1926 · 0.091 acres | — Jan 1978 | $9,750 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |