Union County and Mountainside Borough property records for 4 addresses on Walnut Ave, Mountainside, NJ · Last verified July 2026
| Properties | 4 |
|---|---|
| Median Sale Price | $156,500 |
| Deeds and Mortgages on File | 4 |
| Median Price per Sqft | $114 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $8,587 |
| Median Year Built | 1950 |
| Median Ownership Tenure | 27 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1,680 sqft · Built 1950 · 0.287 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,0792025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,664 sqft · Built 1952 · 0.172 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $150,000Jun 1999 | $9,2672025 | —Jun 1999 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,370 sqft · Built 1925 · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $156,500Feb 1996 | $7,4132025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,684 sqft · Built 1925 · 0.262 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $425,000Jul 2019 | $8,5872025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |