Middlesex County and Plainsboro Township property records for 6 addresses on Union St, Plainsboro, NJ · Last verified October 2026
| Properties | 6 |
|---|---|
| Median Sale Price | $420,203 |
| Deeds and Mortgages on File | 6 |
| Median Price per Sqft | $173 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $11,476 |
| Median Year Built | 2007 |
| Median Ownership Tenure | 19 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1 Union St |
1,951 sqft built 2007 · 0.15 acres | $427,856 Nov 2006 | $10,538 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
2 Union St |
2,426 sqft built 2006 · 0.16 acres | $419,081 May 2006 | $11,096 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3 Union St |
2,649 sqft built 2009 · 0.15 acres | $389,970 Aug 2009 | $11,551 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4 Union St |
2,649 sqft built 2007 · 0.16 acres | $458,533 Oct 2007 | $11,565 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5 Union St |
2,426 sqft built 2006 · 0.16 acres | $420,203 Nov 2006 | $11,133 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
6 Union St |
2,491 sqft built 2006 · 0.169 acres | $385,000 Feb 2019 | $11,476 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |