Contra Costa County property records for 4 addresses on Ontario St, Oakley, CA · Last verified July 2026
| Properties | 4 |
|---|---|
| Sales Recorded | 1 |
| Average Living Area | 790 sq ft |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $100 |
| Median Year Built | 1990 |
| Average Ownership Tenure | 21 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
2 bd · 1 ba · 672 sqft · built 1990 · 9.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $402025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
728 sqft · built 1986 · 9.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1002025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,040 sqft · built 2003 · 9.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4372025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
2 bd · 2 ba · 720 sqft · built 1983 · 9.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2005 | $132025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |