Alameda County property records for 17 addresses on Roberto St, Castro Valley, CA · Last verified August 2026
| Properties | 17 |
|---|---|
| Median Sale Price | $663,000 |
| Deeds and Mortgages on File | 41 |
| Median Price per Sqft | $292 |
| Owner Occupied | 82% |
| Median Annual Tax Bill | $6,454 |
| Median Year Built | 1947 |
| Median Ownership Tenure | 17 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
2 bd · 1 ba · 840 sqft · 0.133 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $164,500Feb 1999 | $3,8612025 | —Dec 2021 | 2 Names on Record Owner Occupied | Assessor + 13 DocumentsUpdated Oct 2025 |
6 bd · 4 ba · 3,520 sqft · 0.132 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $585,000May 2003 | $11,5352025 | —Nov 2001 | 2 Names on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 2 ba · 1,024 sqft · 0.14 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $385,000Dec 2003 | $7,2202025 | —Mar 2012 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
5 bd · 3 ba · 1,973 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $150,000Apr 1998 | $7,0552025 | —May 1997 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Aug 2026 |
2 bd · 1 ba · 720 sqft · 0.11 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $687,500Mar 2022 | $9,5302025 | —May 2024 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Nov 2025 |
1 bd · 1 ba · 1,053 sqft · 0.11 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $300,000Jan 2009 | $5,4792025 | Amount on Record Aug 2008 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 2.5 ba · 2,061 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $220,000Nov 1998 | $4,9802025 | —Dec 2022 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,330 sqft · 0.131 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000Mar 2013 | $6,4542025 | —Aug 2018 | 1 Name on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
2 bd · 1 ba · 906 sqft · 0.13 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $663,000Aug 2023 | $8,9432025 | —Dec 2022 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
3 bd · 1 ba · 1,236 sqft · 0.119 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $255,000Mar 2011 | $4,6832025 | 1 Name on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 2 ba · 2,028 sqft · 0.121 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $830,000Nov 2018 | $11,8412025 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
3 bd · 2 ba · 2,026 sqft · 0.127 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 1985 | $5,7302025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 1 ba · 1,688 sqft · 0.136 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $245,000Mar 1990 | $6,4802025 | —Sep 2002 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,306 sqft · 0.128 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,7862025 | Amount on Record Dec 2008 | 1 Name on Record | Assessor + 2 DocumentsUpdated Oct 2025 |
3 bd · 3 ba · 2,390 sqft · 0.159 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $700,000Oct 2023 | $11,0652025 | —Dec 2018 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,054 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $260,000Mar 2011 | $5,4802025 | Amount on Record Aug 2010 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
2 bd · 1 ba · 1,032 sqft · 0.159 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Feb 1999 | $3,8702025 | Amount on Record Dec 1996 | 2 Names on Record Owner Occupied | AssessorUpdated Oct 2025 |