Middlesex County and South Plainfield Borough property records for 23 addresses on Hillside Ave, South Plainfield, NJ · Last verified October 2026
| Properties | 23 |
|---|---|
| Median Sale Price | $412,500 |
| Deeds and Mortgages on File | 21 |
| Median Price per Sqft | $321 |
| Owner Occupied | 87% |
| Median Annual Tax Bill | $8,633 |
| Median Year Built | 1974 |
| Median Ownership Tenure | 12 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
101, #103 Hillside Ave |
6,563 sqft built 1985 · 0.37 acres | $151,000 Oct 2014 | $14,266 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
111 Hillside Ave |
0.315 acres | $250,000 Nov 2008 | $7,396 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
112 Hillside Ave |
0.489 acres | — Dec 1988 | $6,467 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
120 Hillside Ave |
3,851 sqft built 2014 · 0.918 acres | $35,000 Dec 2013 | $17,730 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
200 Hillside Ave |
0.344 acres | $161,000 Jul 1998 | $10,696 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
201 Hillside Ave |
1,970 sqft built 1974 · 0.287 acres | $342,000 Aug 2014 | $9,774 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
207 Hillside Ave |
0.287 acres | $10,433 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
208 Hillside Ave |
0.229 acres | $448,000 Aug 2022 | $7,821 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
214 Hillside Ave |
770 sqft built 2020 · 0.229 acres | $525,000 Jan 2025 | $8,457 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
220 Hillside Ave |
1,196 sqft built 1967 · 0.459 acres | $220,000 Nov 2011 | $11,340 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
235 Hillside Ave |
1,116 sqft built 1962 · 0.229 acres | $8,816 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
239 Hillside Ave |
1,008 sqft built 1963 · 0.229 acres | $412,500 Jul 2021 | $8,633 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
302 Hillside Ave |
720 sqft built 1924 · 0.229 acres | $195,276 Feb 2024 | $6,233 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
305 Hillside Ave |
2,695 sqft built 1947 · 0.516 acres | $366,000 Nov 2019 | $11,435 2025 | Assessor + 5 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
306 Hillside Ave |
0.229 acres | $8,413 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
310 Hillside Ave |
1,244 sqft built 1987 · 0.229 acres | $137,000 Jul 1996 | $8,794 2025 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
311 Hillside Ave |
728 sqft built 1927 · 0.2 acres | $316,000 May 2023 | $5,955 2025 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
314 Hillside Ave |
1,244 sqft built 1987 · 0.229 acres | $400,000 Oct 2024 | $8,538 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
318 Hillside Ave |
0.174 acres | $127,500 Aug 1998 | $7,835 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
319 Hillside Ave |
2,408 sqft built 1989 · 0.2 acres | $489,000 Aug 2019 | $11,925 2025 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
320 Hillside Ave |
0.174 acres | $126,000 Dec 1994 | $8,070 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
325 Hillside Ave |
0.344 acres | $10,425 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
326 Hillside Ave |
1,514 sqft built 1954 · 0.344 acres | $8,377 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |