Contra Costa County property records for 5 addresses on Rancho de la Rosa, Martinez, CA · Last verified September 2026
| Properties | 5 |
|---|---|
| Latest Sale | $659,000 (Dec 2025) |
| Deeds and Mortgages on File | 6 |
| Average Living Area | 2,713 sq ft |
| Owner Occupied | 40% |
| Median Annual Tax Bill | $3,287 |
| Average Year Built | 1997 |
| Average Ownership Tenure | 8 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
50 Rancho de la Rosa |
43.4 acres | $304 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
65 Rancho de la Rosa |
2,132 sqft built 2000 · 40.1 acres | $3,287 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
70 Rancho de la Rosa |
39.1 acres | $279 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
91 Rancho de la Rosa |
3,295 sqft built 1994 · 34.5 acres | — Oct 2012 | $13,705 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
129 Rancho de la Rosa |
33 acres | $659,000 Dec 2025 | $13,990 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File |