Contra Costa County property records for 7 addresses on Newcastle Ct, Walnut Creek, CA · Last verified October 2026
| Properties | 7 |
|---|---|
| Median Sale Price | $685,000 |
| Deeds and Mortgages on File | 11 |
| Median Price per Sqft | $189 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $13,457 |
| Median Year Built | 1989 |
| Median Ownership Tenure | 27 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3 ba · 4,275 sqft · built 1990 · 0.969 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,600,000May 2005 | $25,6202025 | —Mar 2019 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2026 |
5 bd · 4 ba · 4,513 sqft · built 1991 · 0.489 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,400,000Apr 2003 | $24,5572025 | —Jan 2017 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
4 bd · 3.5 ba · 3,036 sqft · built 1987 · 0.358 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $565,000Jun 1996 | $11,9672025 | —Apr 2018 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2026 |
4 bd · 3 ba · 3,469 sqft · built 1989 · 1.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $162,000Apr 1989 | $13,0702025 | —Nov 2014 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 3 ba · 4,694 sqft · built 1988 · 0.398 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,200,000Mar 2004 | $19,7872025 | —Jan 2015 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
3 bd · 2.5 ba · 3,618 sqft · built 1990 · 0.427 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $685,000Feb 1999 | $12,8722025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3.5 ba · 3,406 sqft · built 1986 · 0.419 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Oct 1990 | $13,4572025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |