Contra Costa County property records for 11 addresses on Challenge Dr, Concord, CA · Last verified August 2026
| Properties | 11 |
|---|---|
| Median Sale Price | $1,580,000 |
| Deeds and Mortgages on File | 18 |
| Median Price per Sqft | $116 |
| Owner Occupied | 9% |
| Median Annual Tax Bill | $21,591 |
| Median Year Built | 1965 |
| Median Ownership Tenure | 14 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
11,995 sqft · Built 1968 · 0.556 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,400,000Feb 2012 | $21,5912025 | —Jul 2006 | 1 Name on Record | AssessorUpdated Jul 2026 |
24,000 sqft · Built 1972 · 1.45 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,550,000Mar 2019 | $83,1952025 | Amount on Record Nov 2016 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
22,716 sqft · Built 1989 · 1.02 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,875,000Jun 2012 | $29,6242025 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
11,202 sqft · Built 1964 · 0.551 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 1994 | $4,9762025 | —Aug 2007 | 1 Name on Record | AssessorUpdated Jul 2026 |
18,800 sqft · Built 1962 · 1.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,625,000Feb 2024 | $55,0412025 | Amount on Record Jan 2020 | 1 Name on Record | Assessor + 6 DocumentsUpdated Jul 2026 |
11,256 sqft · Built 1966 · 0.525 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $413,000Sep 2000 | $14,5452025 | —Sep 2000 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
11,980 sqft · Built 1962 · 0.525 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $875,000May 1997 | $19,0882025 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
4,887 sqft · Built 1962 · 0.573 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $410,000Mar 1998 | $5,7502025 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
10,470 sqft · Built 1972 · 0.573 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,4692025 | 1 Name on Record | AssessorUpdated Jul 2026 |
10,611 sqft · Built 1964 · 0.605 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Oct 1997 | $21,7472025 | —Oct 1997 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
13,175 sqft · Built 1965 · 0.576 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,580,000Dec 2017 | $23,1992025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |