Somerset County and Watchung Borough property records for 12 addresses on Rock Ave, Watchung, NJ · Last verified October 2026
| Properties | 12 |
|---|---|
| Median Sale Price | $440,000 |
| Deeds and Mortgages on File | 6 |
| Median Price per Sqft | $251 |
| Owner Occupied | 92% |
| Median Annual Tax Bill | $11,355 |
| Median Year Built | 1960 |
| Median Ownership Tenure | 15 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19 Rock Ave |
980 sqft built 1936 · 0.2 acres | $240,000 Jan 2002 | $8,493 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
20 Rock Ave |
1,610 sqft built 1920 · 0.4 acres | $11,212 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
21 Rock Ave |
1,424 sqft built 1965 · 0.189 acres | $350,000 Jun 2002 | $10,664 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28 Rock Ave |
0.389 acres | $5,282 2025 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
36 Rock Ave |
1,491 sqft built 1957 · 0.61 acres | $495,000 Feb 2022 | $10,865 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
45 Rock Ave |
1,542 sqft built 1960 · 0.3 acres | $440,000 Sep 2010 | $11,355 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
59 Rock Ave |
2,260 sqft built 1960 · 0.78 acres | $25,859 Dec 2021 | $12,569 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
60 Rock Ave |
1,892 sqft built 1963 · 0.7 acres | $11,474 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
65 Rock Ave |
1,494 sqft built 1958 · 1 acre | — Apr 2004 | $10,424 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
71 Rock Ave |
2,976 sqft built 2012 · 0.5 acres | $975,000 Nov 2020 | $23,496 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
74 Rock Ave |
2,496 sqft built 1960 · 0.6 acres | $13,603 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
75 Rock Ave |
3,360 sqft built 2011 · 0.5 acres | $845,000 Oct 2011 | $24,252 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |