Alameda County property records for 6 addresses on Giannini Ct, Castro Valley, CA · Last verified August 2026
| Properties | 6 |
|---|---|
| Median Sale Price | $630,000 |
| Deeds and Mortgages on File | 7 |
| Median Price per Sqft | $465 |
| Owner Occupied | 83% |
| Median Annual Tax Bill | $7,381 |
| Median Year Built | 1985 |
| Median Ownership Tenure | 21 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3 ba · 1,956 sqft · 0.241 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,4582025 | —May 2011 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 2.5 ba · 2,228 sqft · 0.241 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Apr 1987 | $5,4712025 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 1,840 sqft · 0.159 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $550,000Oct 2012 | $8,7782025 | —Sep 2006 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 1,956 sqft · 0.162 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Dec 1997 | $7,3812025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,354 sqft · 0.156 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $930,000Jul 2019 | $3,3032025 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
3 bd · 2 ba · 1,354 sqft · 0.141 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $630,000Feb 2005 | $11,1482025 | Amount on Record Apr 1998 | 1 Name on Record Owner Occupied | AssessorUpdated Oct 2025 |