Contra Costa County property records for 4 addresses on Big Oak Ct, Antioch, CA · Last verified August 2026
| Properties | 4 |
|---|---|
| Median Sale Price | $670,000 |
| Deeds and Mortgages on File | 5 |
| Median Price per Sqft | $255 |
| Owner Occupied | 75% |
| Median Annual Tax Bill | $7,087 |
| Median Year Built | 1998 |
| Median Ownership Tenure | 2 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2.5 ba · 2,604 sqft · 0.187 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $670,000Nov 2024 | $7,7172025 | Amount on Record Jul 2018 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 3 ba · 2,899 sqft · 0.145 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $740,000Apr 2025 | $7,0872025 | Amount on Record May 2003 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,604 sqft · 0.139 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $393,000Apr 2003 | $6,7072025 | Amount on Record May 1999 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,604 sqft · 0.187 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $505,000Jan 2017 | $6,7632025 | Amount on Record Jul 1999 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |