Contra Costa County property records for 12 addresses on Koa Ct, Antioch, CA · Last verified August 2026
| Properties | 12 |
|---|---|
| Median Sale Price | $650,000 |
| Deeds and Mortgages on File | 21 |
| Median Price per Sqft | $269 |
| Owner Occupied | 75% |
| Median Annual Tax Bill | $6,032 |
| Median Year Built | 1992 |
| Median Ownership Tenure | 9 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 2.5 ba · 2,024 sqft · 0.122 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $427,000Jun 2017 | $5,8122025 | Amount on Record Sep 2010 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 2,534 sqft · 0.116 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $160,500Jul 2015 | $4,7562025 | Amount on Record Oct 2008 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 2,534 sqft · 0.171 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $405,000Jan 2015 | $5,7192025 | Amount on Record May 2010 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 2,024 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2023 | $7,8042025 | Amount on Record Jul 2023 | 1 Name on Record | AssessorUpdated Jul 2026 |
5 bd · 3 ba · 2,534 sqft · 0.169 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $347,000Jul 2015 | $4,9952025 | Amount on Record Nov 2004 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 2,241 sqft · 0.114 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $650,000Mar 2025 | $7,5072025 | Amount on Record Oct 1999 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,241 sqft · 0.157 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $715,000Feb 2022 | $7,7602025 | Amount on Record Aug 2018 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 2,534 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $330,000Sep 2008 | $5,0642025 | Amount on Record Jul 2008 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 2,545 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $686,000Jun 2024 | $8,0272025 | Amount on Record Feb 2003 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 2,241 sqft · 0.269 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $439,000Jul 2016 | $6,0322025 | Amount on Record Mar 2013 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 2,241 sqft · 0.142 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $690,000Mar 2024 | $8,0712025 | Amount on Record Jun 2014 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 2,534 sqft · 0.235 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Jan 2015 | $5,0992025 | —Mar 2013 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |