Contra Costa County property records for 11 addresses on Sierra Ave, Martinez, CA · Last verified August 2026
| Properties | 11 |
|---|---|
| Median Sale Price | $407,500 |
| Deeds and Mortgages on File | 19 |
| Median Price per Sqft | $459 |
| Owner Occupied | 73% |
| Median Annual Tax Bill | $5,425 |
| Median Year Built | 1956 |
| Median Ownership Tenure | 15 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2 ba · 2,022 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jun 1985 | $2,7722025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,336 sqft · 0.125 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2005 | $6,2402025 | —Nov 2006 | 2 Names on Record | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 1,371 sqft · 0.102 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $287,000Oct 2009 | $5,4252025 | Amount on Record Jan 2009 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 1.5 ba · 1,235 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $197,500Feb 2011 | $4,0772025 | —Feb 2011 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 1,390 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $715,909Aug 2022 | $9,8762025 | Amount on Record Jan 2017 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
3 bd · 2.5 ba · 1,730 sqft · 0.12 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $795,000Nov 2021 | $10,4032025 | Amount on Record Aug 2018 | 1 Name on Record | Assessor + 6 DocumentsUpdated Aug 2026 |
2 bd · 1 ba · 847 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $480,000Sep 2020 | $7,1622025 | Amount on Record Aug 1998 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2 bd · 1 ba · 886 sqft · 0.071 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $407,500Oct 2020 | $6,2442025 | Amount on Record Aug 1998 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,795 sqft · 0.113 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $123,000Apr 1996 | $3,4242025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
2 bd · 1 ba · 1,694 sqft · 0.121 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,5122025 | —Mar 2024 | 2 Names on Record Owner Occupied | Assessor + 6 DocumentsUpdated Aug 2026 |
3 bd · 1 ba · 1,191 sqft · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $99,000Dec 1998 | $2,9472025 | Amount on Record Dec 1998 | 1 Name on Record | AssessorUpdated Jul 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |