Contra Costa County property records for 22 addresses on Cowper Ave, Kensington, CA · Last verified October 2026
| Properties | 22 |
|---|---|
| Median Sale Price | $1,100,000 |
| Deeds and Mortgages on File | 36 |
| Median Price per Sqft | $804 |
| Owner Occupied | 77% |
| Median Annual Tax Bill | $9,594 |
| Median Year Built | 1950 |
| Median Ownership Tenure | 13 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1 Cowper Ave |
3 bd · 2.5 ba · 2,640 sqft built 1947 · 0.15 acres | $4,052 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4 Cowper Ave |
3 bd · 1 ba · 1,948 sqft built 1946 · 0.211 acres | $7,463 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8 Cowper Ave |
2 bd · 2 ba · 1,761 sqft built 1950 · 0.149 acres | $3,079 2025 | Assessor + 4 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
11 Cowper Ave |
3 bd · 2 ba · 1,484 sqft built 1954 · 0.094 acres | $925,000 Jan 2019 | $14,984 2025 | Assessor + 6 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
12 Cowper Ave |
4 bd · 3 ba · 2,352 sqft built 1947 · 0.149 acres | $1,020,000 Oct 2013 | $17,904 2025 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
16 Cowper Ave |
4 bd · 3 ba · 1,996 sqft built 1954 · 0.149 acres | $309,000 Dec 1993 | $9,594 2025 | Assessor + 4 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18 Cowper Ave |
3 bd · 2.5 ba · 1,803 sqft built 1946 · 0.149 acres | $875,000 Sep 2014 | $15,359 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19 Cowper Ave |
3 bd · 1 ba · 1,386 sqft built 1948 · 0.112 acres | $243,000 May 1997 | $6,732 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
20 Cowper Ave |
3 bd · 1.5 ba · 1,910 sqft built 1946 · 0.149 acres | $5,822 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
22 Cowper Ave |
3 bd · 1 ba · 1,156 sqft built 1946 · 0.149 acres | $2,811 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
23 Cowper Ave |
2 bd · 2.25 ba · 1,435 sqft built 1950 · 0.112 acres | $333,000 Apr 1994 | $8,841 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
40 Cowper Ave |
6 bd · 3 ba · 2,559 sqft built 1957 · 0.102 acres | $985,000 Dec 2006 | $18,785 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
41 Cowper Ave |
3 bd · 3 ba · 2,381 sqft built 1956 · 0.149 acres | $659,500 Sep 2002 | $14,203 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
42 Cowper Ave |
3 bd · 2 ba · 1,368 sqft built 1950 · 0.113 acres | $1,100,000 May 2016 | $18,357 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
45 Cowper Ave |
3 bd · 2 ba · 1,773 sqft built 1949 · 0.101 acres | $1,650,000 May 2022 | $21,672 2025 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
46 Cowper Ave |
3 bd · 2 ba · 2,175 sqft built 1953 · 0.216 acres | $4,957 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
49 Cowper Ave |
2 bd · 1 ba · 1,017 sqft built 1952 · 0.11 acres | — Mar 1994 | $2,650 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
53 Cowper Ave |
3 bd · 1.5 ba · 1,934 sqft built 1954 · 0.149 acres | — Mar 1994 | $3,090 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
54 Cowper Ave |
5 bd · 3 ba · 2,332 sqft built 1954 · 0.126 acres | — Aug 1998 | $7,946 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
57 Cowper Ave |
2 bd · 1 ba · 1,139 sqft built 1949 · 0.185 acres | $1,200,000 May 2024 | $17,525 2025 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
60 Cowper Ave |
4 bd · 2.5 ba · 2,000 sqft built 1955 · 0.313 acres | $725,000 Jan 2014 | $13,603 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
61 Cowper Ave |
4 bd · 2 ba · 1,956 sqft built 1958 · 0.135 acres | $1,575,000 Feb 2026 | $24,944 2025 | Assessor + 5 Documents Updated Oct 2026 | Owner on File Owner Occupied |