Contra Costa County property records for 5 addresses on Helen Ave, Concord, CA · Last verified July 2026
| Properties | 5 |
|---|---|
| Sales Recorded | 4 |
| Average Living Area | 1,018 sq ft |
| Owner Occupied | 40% |
| Median Annual Tax Bill | $501 |
| Median Year Built | 1990 |
| Median Ownership Tenure | 21 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
18.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 2005 | $6092025 | 1 Name on Record | AssessorUpdated Jul 2026 |
18.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 2007 | $5982025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,152 sqft · 18.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jun 1998 | $2352025 | 1 Name on Record | AssessorUpdated Jul 2026 |
1,200 sqft · Built 2008 · 18.1 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5012025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
704 sqft · Built 1968 · 18.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 1996 | $982025 | 1 Name on Record | AssessorUpdated Jul 2026 |