Contra Costa County property records for 8 addresses on Buenos Aires Ct, Walnut Creek, CA · Last verified October 2026
| Properties | 8 |
|---|---|
| Median Sale Price | $500,000 |
| Deeds and Mortgages on File | 13 |
| Median Price per Sqft | $246 |
| Owner Occupied | 88% |
| Median Annual Tax Bill | $7,730 |
| Median Year Built | 1952 |
| Median Ownership Tenure | 15 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
2 bd · 2 ba · 1,402 sqft · built 1952 · 0.225 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,3342025 | —Oct 2002 | Owner on Record | AssessorUpdated Jul 2026 |
3 bd · 3 ba · 2,860 sqft · built 1952 · 0.227 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000Sep 1999 | $9,5942025 | Amount on Record Feb 1996 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2 ba · 2,274 sqft · built 1947 · 0.227 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $843,000Sep 2018 | $11,9952025 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2026 |
3 bd · 2.5 ba · 1,400 sqft · built 1952 · 0.264 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,200,000Oct 2025 | $7,1602025 | Amount on Record Mar 2012 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Sep 2026 |
4 bd · 3 ba · 2,029 sqft · built 1952 · 0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000Oct 2011 | $7,7302025 | Amount on Record Jun 2007 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 3 ba · 2,369 sqft · built 1952 · 0.241 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $254,500Nov 1997 | $6,9042025 | —Aug 2017 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 1,691 sqft · built 1952 · 0.297 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $240,000Jun 1996 | $5,2052025 | —Jun 1996 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,782 sqft · built 1952 · 0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,435,000Aug 2026 | $15,2062025 | Amount on Record Jun 2021 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |