Contra Costa County property records for 10 addresses on S Castro St, Martinez, CA · Last verified August 2026
| Properties | 10 |
|---|---|
| Median Sale Price | $490,000 |
| Deeds and Mortgages on File | 21 |
| Median Price per Sqft | $311 |
| Owner Occupied | 90% |
| Median Annual Tax Bill | $7,798 |
| Median Year Built | 1948 |
| Median Ownership Tenure | 12 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
2 bd · 1 ba · 852 sqft · 0.176 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $444,000Aug 2005 | $4,5972025 | —Oct 2000 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,359 sqft · 0.172 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $395,000Sep 2014 | $11,0472025 | Amount on Record Jun 2010 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 816 sqft · 0.209 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,7732025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 1 ba · 1,890 sqft · 0.25 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $127,000Jul 1987 | $3,8212025 | —Dec 2013 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 1,955 sqft · 0.179 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $685,000Nov 2024 | $9,0212025 | Amount on Record Oct 2015 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 1,866 sqft · 0.269 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,4952025 | —Nov 2021 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
5 bd · 2.5 ba · 1,843 sqft · 0.229 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $575,000Jul 2015 | $8,8762025 | Amount on Record Apr 2000 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2.5 ba · 1,877 sqft · 0.219 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $490,000Jun 2015 | $7,7982025 | —Jul 2016 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 1 ba · 1,104 sqft · 0.189 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Mar 1996 | $4,1022025 | —May 2021 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 1.5 ba · 1,463 sqft · 0.359 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000May 2005 | $9,3602025 | —May 2005 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Moderate this street's cells rank at the 50th percentile of exposed land nationally · 30th in California |
|---|---|
| Wildfire Likelihood | Moderate — about 1 in 990 per year |
| Exposure | Indirect 0 of 2 cells directly exposed · 2 adjoin burnable vegetation |