Contra Costa County property records for 7 addresses on Bertola St, Martinez, CA · Last verified August 2026
| Properties | 7 |
|---|---|
| Median Sale Price | $396,500 |
| Deeds and Mortgages on File | 13 |
| Median Price per Sqft | $333 |
| Owner Occupied | 71% |
| Median Annual Tax Bill | $6,230 |
| Median Year Built | 1941 |
| Median Ownership Tenure | 16 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
2 bd · 1 ba · 1,058 sqft · 0.092 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $396,500Dec 2007 | $6,9922025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 1,440 sqft · 0.107 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $715,000Jul 2025 | $8,0612025 | Amount on Record Jun 2000 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2 bd · 1 ba · 1,351 sqft · 0.103 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $300,000Dec 2010 | $1,5392025 | —Apr 2017 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 1 ba · 1,391 sqft · 0.103 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Sep 2023 | $5,0172025 | —Feb 2021 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 2 ba · 2,006 sqft · 0.103 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $668,000Dec 2017 | $9,7222025 | Amount on Record Jun 2011 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 933 sqft · 0.103 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $310,000Mar 2003 | $6,2302025 | —Mar 2003 | 1 Name on Record | AssessorUpdated Jul 2026 |
2 bd · 1 ba · 1,283 sqft · 0.247 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $187,500Jun 1998 | $4,4832025 | —Apr 2020 | 2 Names on Record | Assessor + 3 DocumentsUpdated Jul 2026 |