Contra Costa County property records for 13 addresses on I St, Antioch, CA · Last verified August 2026
| Properties | 13 |
|---|---|
| Median Sale Price | $264,000 |
| Deeds and Mortgages on File | 16 |
| Median Price per Sqft | $97 |
| Owner Occupied | 15% |
| Median Annual Tax Bill | $4,775 |
| Median Year Built | 1946 |
| Median Ownership Tenure | 18 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
8,754 sqft · Built 1961 · 1.06 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $150,000Jun 2020 | $22,8542025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
0.215 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 2017 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
7,650 sqft · Built 1910 · 0.294 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $228,000Nov 2003 | $4,7752025 | 1 Name on Record | AssessorUpdated Aug 2026 |
9,950 sqft · Built 1948 · 0.175 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $650,000Jan 2001 | $14,8822025 | Amount on Record Dec 2000 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
0.068 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $20,000Feb 1988 | —Mar 2017 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
0.344 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 2017 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
0.172 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 2017 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
41,833 sqft · Built 2007 · 1.73 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $264,000Nov 2006 | $49,0562025 | Amount on Record Nov 2005 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
2 bd · 1 ba · 676 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $70,000Nov 2008 | $1,5752025 | Amount on Record Jul 2007 | 1 Name on Record | AssessorUpdated Jul 2026 |
3 bd · 1.5 ba · 874 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $85,000Jan 2009 | $3,5092025 | Amount on Record Apr 2008 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
5 bd · 2 ba · 1,861 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,0952025 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
1,694 sqft · Built 1910 · 0.101 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Oct 2020 | $5,9572025 | Amount on Record Dec 2016 | 2 Names on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
6,272 sqft · Built 1968 · 0.459 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,250,000May 2025 | $3,3142025 | Amount on Record Oct 1994 | 1 Name on Record | AssessorUpdated Jul 2026 |