Contra Costa County property records for 2 addresses on Gem Ln, Antioch, CA · Last verified July 2026
| Properties | 2 |
|---|---|
| Latest Sale | $330,000 (Sep 2017) |
| Deeds and Mortgages on File | 4 |
| Average Living Area | 1,652 sq ft |
| Owner Occupied | 50% |
| Average Year Built | 1943 |
| Average Ownership Tenure | 17 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
5 bd · 2 ba · 1,598 sqft · 0.13 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $330,000Sep 2017 | $5,3082025 | Amount on Record Dec 2003 | 1 Name on Record | Assessor + 4 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,706 sqft · 0.13 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Apr 2001 | $2,7972025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |