Contra Costa County property records for 6 addresses on Ona Ct, San Ramon, CA · Last verified October 2026
| Properties | 6 |
|---|---|
| Median Sale Price | $510,000 |
| Deeds and Mortgages on File | 11 |
| Median Price per Sqft | $368 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $7,769 |
| Median Year Built | 1969 |
| Median Ownership Tenure | 17 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2 ba · 1,383 sqft · built 1969 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $469,000Oct 2009 | $7,3262025 | Amount on Record Oct 2001 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
4 bd · 2 ba · 1,383 sqft · built 1969 · 0.183 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $510,000Dec 2008 | $7,7692025 | Amount on Record Jun 2007 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
3 bd · 2 ba · 1,153 sqft · built 1969 · 0.172 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $250,000Oct 2000 | $5,9112025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
4 bd · 3 ba · 2,097 sqft · built 1969 · 0.391 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,080,000Jun 2019 | $13,8912025 | —Apr 2005 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
4 bd · 3 ba · 2,163 sqft · built 1969 · 0.185 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,750,000Jun 2022 | $19,3392025 | Amount on Record Feb 2008 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2026 |
2 bd · 2 ba · 1,448 sqft · built 1969 · 0.321 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,060,000Sep 2026 | $2,5862025 | —May 2018 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2026 |