Contra Costa County property records for 4 addresses on Dos Osos, Orinda, CA · Last verified July 2026
| Properties | 4 |
|---|---|
| Latest Sale | $1,600,000 (Nov 2019) |
| Deeds and Mortgages on File | 6 |
| Average Living Area | 2,917 sq ft |
| Owner Occupied | 50% |
| Median Annual Tax Bill | $21,088 |
| Average Year Built | 1954 |
| Average Ownership Tenure | 17 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
0.589 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,5372025 | —May 1999 | Owner on Record | AssessorUpdated Jul 2026 |
0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,5422025 | —May 1999 | Owner on Record | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 2,253 sqft · built 1954 · 2.75 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,600,000Nov 2019 | $21,0882025 | Amount on Record Apr 2013 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
2 bd · 3 ba · 3,582 sqft · built 1955 · 3.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,200,000Sep 1999 | $22,2752025 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |