Contra Costa County property records for 18 addresses on Dos Posos, Orinda, CA · Last verified August 2026
| Properties | 18 |
|---|---|
| Median Sale Price | $2,137,500 |
| Deeds and Mortgages on File | 37 |
| Median Price per Sqft | $637 |
| Owner Occupied | 78% |
| Median Annual Tax Bill | $19,851 |
| Median Year Built | 1967 |
| Median Ownership Tenure | 8 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 4 ba · 3,920 sqft · built 2002 · 0.505 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,600,000May 2023 | $44,6972025 | Amount on Record Feb 2012 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2 bd · 2.5 ba · 2,453 sqft · built 2009 · 0.469 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 2006 | $18,2052025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3.5 ba · 3,652 sqft · built 2005 · 0.479 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,295,000Apr 2023 | $29,2372025 | Amount on Record Dec 2017 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 3,143 sqft · built 2008 · 0.459 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $17,5432025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2 bd · 2 ba · 1,612 sqft · built 1948 · 0.477 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,620,000May 2021 | $22,0622025 | Amount on Record Jul 2013 | Owner on Record | Assessor + 4 DocumentsUpdated Jul 2026 |
3 bd · 3.5 ba · 2,863 sqft · built 1967 · 0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,825,000Sep 2021 | $22,7582025 | —Sep 2021 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 3 ba · 3,268 sqft · built 1953 · 0.462 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,070,000Jul 1999 | $20,7652025 | —Aug 2022 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 2,446 sqft · built 1977 · 0.587 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $800,000Feb 2013 | $13,3232025 | Amount on Record Apr 2000 | Owner on Record | AssessorUpdated Jul 2026 |
4 bd · 4 ba · 3,221 sqft · built 1957 · 0.573 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,020,000Jul 2018 | $27,8682025 | Amount on Record Jun 2010 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,575 sqft · built 1956 · 0.429 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,250,000Apr 2014 | $19,4522025 | —Dec 2003 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 3,026 sqft · built 1977 · 0.606 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,7502025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3 ba · 2,405 sqft · built 1960 · 0.432 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,500,000Apr 2023 | $19,8512025 | —Jan 2023 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,927 sqft · built 1948 · 0.44 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Sep 2003 | $6,0672025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3.5 ba · 3,163 sqft · built 1947 · 0.585 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,232,000Feb 2026 | $28,2492025 | Amount on Record Jan 2022 | 2 Owners on Record Owner Occupied | Assessor + 7 DocumentsUpdated Jul 2026 |
3 bd · 2.5 ba · 2,184 sqft · built 1974 · 0.55 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $525,000Nov 1992 | $4,0372025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 2,329 sqft · built 1975 · 0.329 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,150,000Sep 2015 | $4,3972025 | —Feb 2021 | 2 Owners on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
2 bd · 3 ba · 2,953 sqft · built 1951 · 0.86 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,4082025 | —Dec 2024 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 3,629 sqft · built 1966 · 0.822 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,137,500Mar 2019 | $29,2742025 | Amount on Record Dec 2007 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |