Contra Costa County property records for 6 addresses on Diorite Ct, Antioch, CA · Last verified July 2026
| Properties | 6 |
|---|---|
| Median Sale Price | $499,000 |
| Deeds and Mortgages on File | 13 |
| Median Price per Sqft | $141 |
| Owner Occupied | 83% |
| Median Annual Tax Bill | $6,979 |
| Median Year Built | 2002 |
| Median Ownership Tenure | 15 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2.5 ba · 3,180 sqft · 0.188 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $828,000Feb 2023 | $9,8352025 | Amount on Record Oct 2020 | 2 Names on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,627 sqft · 0.167 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $371,000May 2003 | $6,9792025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 4.5 ba · 3,687 sqft · 0.156 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $499,000May 2002 | $8,5822025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 3,002 sqft · 0.138 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $700,000Apr 2024 | $4,5422025 | Amount on Record Mar 2021 | 1 Name on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 3,180 sqft · 0.17 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $317,000Aug 2011 | $4,8862025 | Amount on Record Jul 2011 | 1 Name on Record | AssessorUpdated Jul 2026 |
3 bd · 3 ba · 3,002 sqft · 0.151 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $406,500Mar 2003 | $5,6172025 | —Mar 2003 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |