Contra Costa County property records for 2 addresses on J St, Martinez, CA · Last verified July 2026
| Properties | 2 |
|---|---|
| Latest Sale | $4,850,000 (Nov 1999) |
| Deeds and Mortgages on File | 1 |
| Average Living Area | 36,825 sq ft |
| Average Year Built | 1966 |
| Average Ownership Tenure | 26 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
7,251 sqft · Built 1956 · 0.239 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 2001 | $23,4242025 | Amount on Record Apr 1998 | 1 Name on Record | AssessorUpdated Jul 2026 |
4.5 ba · 66,399 sqft · 3.75 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,850,000Nov 1999 | $155,8322025 | —Mar 2001 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |