Essex County and Montclair Township property records for 5 units in 31 Upper Mountain Ave, Montclair, NJ · Last verified July 2026
| Properties | 5 |
|---|---|
| Median Sale Price | $190,000 |
| Deeds and Mortgages on File | 5 |
| Median Price per Sqft | $278 |
| Owner Occupied | 60% |
| Median Annual Tax Bill | $6,768 |
| Median Year Built | 1965 |
| Median Ownership Tenure | 13 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
31, #C3101 Upper Mountain Ave |
790 sqft built 1965 · 1.51 acres | $291,000 Mar 2006 | $6,768 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
31, #C3102 Upper Mountain Ave |
790 sqft built 1965 · 1.51 acres | $10 Apr 2013 | $6,768 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
31, #C3103 Upper Mountain Ave |
1,150 sqft built 1965 · 1.51 acres | $451,000 Mar 2022 | $10,875 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
31, #C3104 Upper Mountain Ave |
1,150 sqft built 1965 · 1.51 acres | $160,000 Feb 1989 | $10,358 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
31, #C3105 Upper Mountain Ave |
682 sqft built 1965 · 1.51 acres | $190,000 Aug 2014 | $6,466 2025 | Assessor + 3 Documents Updated Jul 2026 | Owner on File |