Middlesex County and South Plainfield Borough property records for 67 addresses on Oak Tree Ave, South Plainfield, NJ · Last verified October 2026
| Properties | 67 |
|---|---|
| Median Sale Price | $730,000 |
| Deeds and Mortgages on File | 64 |
| Median Price per Sqft | $314 |
| Owner Occupied | 58% |
| Median Annual Tax Bill | $9,503 |
| Median Year Built | 1969 |
| Median Ownership Tenure | 20 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
100 Oak Tree Ave |
3,900 sqft built 1959 · 0.346 acres | $2,700 Sep 1997 | $16,247 2024 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
101 Oak Tree Ave |
0.327 acres | $179,500 May 2000 | $16,541 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
110 Oak Tree Ave |
2,100 sqft built 1900 · 0.26 acres | $625,000 Sep 2004 | $8,274 2024 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
112 Oak Tree Ave |
1.6 acres | — Feb 2003 | $69,024 2024 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
128 Oak Tree Ave |
4.05 acres | $1,000 May 2003 | $21,916 2024 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
134 Oak Tree Ave |
0.187 acres | $329,900 Dec 2007 | $7,463 2024 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
142 Oak Tree Ave |
0.454 acres | $350,000 Feb 2020 | $10,990 2024 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
147, #149 Oak Tree Ave |
built 1969 · 0.153 acres | $220,300 Nov 2002 | $9,503 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
151, #153 Oak Tree Ave |
built 1969 · 0.149 acres | $250,000 Nov 2002 | $10,425 2025 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
155 Oak Tree Ave |
2,468 sqft built 1969 · 0.115 acres | $410,000 Nov 2020 | $11,098 2025 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
156 Oak Tree Ave |
1,944 sqft built 1924 · 0.281 acres | $745,000 Mar 2024 | $9,128 2024 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
157, #159 Oak Tree Ave |
2,272 sqft built 1969 · 0.115 acres | $435,000 Oct 2005 | $11,076 2025 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
161, #163 Oak Tree Ave |
built 1969 · 0.115 acres | $178,000 Aug 2000 | $10,323 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
166 Oak Tree Ave |
0.448 acres | $450,000 Sep 2006 | $15,682 2024 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
169 Oak Tree Ave |
0.127 acres | $7,214 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
171, #173 Oak Tree Ave |
1,890 sqft built 1976 · 0.301 acres | — Jan 1987 | $9,489 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
175 Oak Tree Ave |
built 1939 · 0.301 acres | $200,000 Apr 2018 | $8,779 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
179 Oak Tree Ave |
0.236 acres | $283,000 Jul 2015 | $9,540 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
183 Oak Tree Ave |
built 1969 · 0.234 acres | $289,900 Mar 2015 | $8,779 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
187 Oak Tree Ave |
1,256 sqft built 1969 · 0.387 acres | $545,000 Jan 2025 | $10,023 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
204 Oak Tree Ave |
2,220 sqft built 1984 · 0.25 acres | $425,000 Apr 2014 | $12,730 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
210 Oak Tree Ave |
0.243 acres | $583,000 Jul 2026 | $11,618 2025 | Assessor + 4 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
216 Oak Tree Ave |
built 1984 · 0.247 acres | $325,000 Sep 2011 | $8,099 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
222 Oak Tree Ave |
1,434 sqft built 1984 · 0.215 acres | $350,000 Sep 2018 | $9,489 2025 | Assessor + 3 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
228 Oak Tree Ave |
2,992 sqft built 1984 · 0.237 acres | $135,000 Dec 1992 | $12,071 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
234 Oak Tree Ave |
0.235 acres | $115,000 Jun 1994 | $14,420 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
240 Oak Tree Ave |
0.241 acres | $156,000 Oct 1995 | $8,991 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
243 Oak Tree Ave |
2 acres | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
245 Oak Tree Ave |
0.229 acres | $340,000 Oct 2003 | $10,367 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
290 Oak Tree Ave |
1,506 sqft built 1959 · 1.01 acres | $200,000 Aug 2014 | $7,996 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
300 Oak Tree Ave |
3.48 acres | $1,700,000 Jan 2008 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
303 Oak Tree Ave |
2,384 sqft built 1972 · 0.192 acres | $305,000 May 2002 | $12,803 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
305 Oak Tree Ave |
1,872 sqft built 1919 · 0.432 acres | $429,000 Oct 2021 | $8,706 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
307 Oak Tree Ave |
2,020 sqft built 1869 · 0.315 acres | $730,000 Jun 2025 | $11,603 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
308 Oak Tree Ave |
9,999 sqft built 1936 · 1.3 acres | $450,000 Aug 2022 | $8,048 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
315 Oak Tree Ave |
0.213 acres | $8,428 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
321 Oak Tree Ave |
0.26 acres | $170,000 Sep 2001 | $7,484 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
329 Oak Tree Ave |
0.257 acres | $7,783 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
330 Oak Tree Ave |
202,800 sqft built 1968 · 11 acres | $63,750,000 May 2021 | $269,061 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
340 Oak Tree Ave |
0.206 acres | $750,000 Jan 2022 | $6,050 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
341 Oak Tree Ave |
0.215 acres | $395,000 Oct 2025 | $7,974 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
346 Oak Tree Ave |
0.229 acres | $750,000 Jan 2022 | $5,319 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
348 Oak Tree Ave |
0.298 acres | $750,000 Jan 2022 | $6,153 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
349 Oak Tree Ave |
0.229 acres | $190,100 Mar 2002 | $7,952 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
353 Oak Tree Ave |
0.505 acres | $164,000 Jan 1994 | $9,460 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
357 Oak Tree Ave |
0.294 acres | $100,000 Apr 1997 | $7,967 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
401 Oak Tree Ave |
0.226 acres | $425,000 Jun 2005 | $10,667 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
402 Oak Tree Ave |
0.159 acres | $322,000 Oct 2018 | $8,040 2025 | Assessor + 6 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
403 Oak Tree Ave |
0.207 acres | $165,000 Feb 2001 | $8,201 2025 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
405 Oak Tree Ave |
0.287 acres | $155,000 Sep 1994 | $9,028 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
406 Oak Tree Ave |
1,142 sqft built 1928 · 0.135 acres | $260,000 Mar 2008 | $5,619 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
419 Oak Tree Ave |
0.311 acres | — May 1991 | $8,479 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
443 Oak Tree Ave |
0.351 acres | $348,000 Jul 2019 | $8,128 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
450 Oak Tree Ave |
248,105 sqft built 1962 · 12.4 acres | $45,000,000 Dec 2022 | $257,040 2025 | Assessor + 3 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
484 Oak Tree Ave |
1.13 acres | $325,000 Sep 2011 | $7,331 2025 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
488 Oak Tree Ave |
1.48 acres | $1,450,000 Apr 2004 | $25,606 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
605 Oak Tree Ave |
built 1969 · 0.252 acres | $582,000 Apr 2026 | $9,163 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
607 Oak Tree Ave |
1,764 sqft built 1969 · 0.26 acres | $165,000 May 1996 | $9,745 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
609 Oak Tree Ave |
0.245 acres | $161,000 Mar 1998 | $10,177 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
611 Oak Tree Ave |
0.243 acres | $375,000 Jan 2006 | $10,330 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
613 Oak Tree Ave |
1,636 sqft built 1969 · 0.302 acres | $9,664 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
620 Oak Tree Ave |
1.11 acres | $550,000 Jul 2002 | $30,947 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
686, #736 Oak Tree Ave |
18 acres | $40,000,000 Jul 2025 | $847,570 2025 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
803 Oak Tree Ave |
0.362 acres | $210,000 Feb 2000 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
815 Oak Tree Ave |
0.38 acres | $180,000 Oct 1999 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
900 Oak Tree Ave |
4.7 acres | $179,242 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
904, #910 Oak Tree Ave |
9.08 acres | $334,707 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |