Contra Costa County property records for 18 addresses on Martis Ct, El Sobrante, CA · Last verified October 2026
| Properties | 18 |
|---|---|
| Median Sale Price | $475,000 |
| Deeds and Mortgages on File | 30 |
| Median Price per Sqft | $278 |
| Owner Occupied | 83% |
| Median Annual Tax Bill | $9,187 |
| Median Year Built | 1978 |
| Median Ownership Tenure | 16 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2 ba · 1,524 sqft · built 1978 · 0.207 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $690,000Aug 2022 | $10,4512025 | Amount on Record Sep 1997 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,440 sqft · built 1978 · 0.211 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $750,000Aug 2024 | $10,7682025 | Amount on Record Feb 2022 | 2 Owners on Record Owner Occupied | Assessor + 5 DocumentsUpdated Sep 2026 |
4 bd · 2 ba · 1,524 sqft · built 1978 · 0.225 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 1999 | $4,8052025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 1,737 sqft · built 1978 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,5172025 | —Mar 2020 | 2 Owners on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 2,097 sqft · built 1978 · 0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $485,000Sep 2004 | $10,7512025 | —Jul 2001 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
3 bd · 2 ba · 1,635 sqft · built 1978 · 0.172 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,3392025 | —Dec 2018 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,635 sqft · built 1978 · 0.236 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $195,000May 1998 | $5,1482025 | —May 1998 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,290 sqft · built 1978 · 0.203 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $388,000May 2010 | $7,7192025 | Amount on Record Apr 2006 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
4 bd · 2 ba · 1,860 sqft · built 1978 · 0.367 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,5752025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,704 sqft · built 1978 · 0.159 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $510,000Sep 2004 | $10,2852025 | —May 2015 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2026 |
4 bd · 2 ba · 1,860 sqft · built 1978 · 0.449 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $240,000Jun 1999 | $6,2482025 | —Dec 2009 | 2 Owners on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,704 sqft · built 1978 · 0.163 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $475,000May 2016 | $9,9512025 | 2 Owners on Record | AssessorUpdated Oct 2026 |
4 bd · 2 ba · 1,704 sqft · built 1978 · 0.155 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $770,000Jun 2026 | $9,0392025 | Amount on Record Jun 2015 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
4 bd · 2 ba · 1,860 sqft · built 1978 · 0.549 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $212,500Jan 2014 | $9,1872025 | Amount on Record May 2004 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
4 bd · 2 ba · 1,860 sqft · built 1978 · 0.488 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,000Jul 2023 | $7,1402025 | Amount on Record May 2010 | Owner on Record Owner Occupied | Assessor + 6 DocumentsUpdated Sep 2026 |
3 bd · 2 ba · 1,704 sqft · built 1978 · 0.212 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $410,000Jan 2008 | $8,1592025 | —Jan 2008 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
5 bd · 4 ba · 1,911 sqft · built 1978 · 0.336 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000May 2003 | $9,4342025 | —May 2003 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2026 |
4 bd · 2 ba · 1,522 sqft · built 1978 · 0.279 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,0442025 | —Aug 2016 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |