Alameda County property records for 33 addresses on la Costa Ave, Castro Valley, CA · Last verified September 2026
| Properties | 33 |
|---|---|
| Median Sale Price | $1,517,000 |
| Deeds and Mortgages on File | 58 |
| Median Price per Sqft | $667 |
| Owner Occupied | 97% |
| Median Annual Tax Bill | $9,521 |
| Median Year Built | 1987 |
| Median Ownership Tenure | 13 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2.5 ba · 2,928 sqft · built 1987 · 0.179 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,4212025 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 2.5 ba · 2,188 sqft · built 1987 · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,9732025 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,336 sqft · built 1987 · 0.135 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $880,000Jun 2020 | $12,1862025 | —Dec 2020 | 2 Owners on Record Owner Occupied | Assessor + 6 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,248 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,517,000May 2023 | $19,4272025 | Amount on Record Oct 1997 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jan 2026 |
4 bd · 3 ba · 2,248 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,650,000Jan 2022 | $14,6562025 | Amount on Record Apr 2010 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 2.5 ba · 2,026 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $403,000Jun 1999 | $8,3242025 | —Jun 1999 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 1,880 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $288,000May 1995 | $6,4942025 | —May 1995 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2 bd · 2 ba · 1,336 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $540,000Jan 2004 | $1,8922025 | —Aug 2002 | Owner on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 2.5 ba · 2,026 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $321,500Oct 1991 | $7,4952025 | —Mar 2011 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 2,248 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $572,000Apr 2009 | $9,5602025 | Amount on Record Apr 2006 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 2,248 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Jun 2005 | $14,7662025 | —Sep 2020 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2025 |
3 bd · 3 ba · 1,834 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $530,000Mar 2003 | $9,8432025 | —Oct 2011 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2025 |
2 bd · 2 ba · 1,336 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,1912025 | —Jul 2007 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 2,026 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $986,500Apr 2017 | $14,2922025 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
3 bd · 2.5 ba · 1,834 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $42,000Oct 2003 | $15,6012025 | Amount on Record May 1998 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
4 bd · 3 ba · 2,248 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $430,000Mar 2000 | $8,6672025 | —Nov 2009 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,248 sqft · built 1987 · 0.116 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $588,000Sep 2012 | $9,3302025 | —Mar 2021 | 3 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 2.5 ba · 1,892 sqft · built 1986 · 0.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $284,000Oct 1993 | $6,4822025 | —Dec 2004 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 2,026 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,0492025 | —Oct 1994 | Owner on Record Owner Occupied | AssessorUpdated Sep 2026 |
4 bd · 2.5 ba · 2,026 sqft · built 1986 · 0.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $287,000Jul 1995 | $6,4122025 | —Jul 1995 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 2.5 ba · 1,880 sqft · built 1987 · 0.135 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,6962025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 2,248 sqft · built 1986 · 0.112 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,4312025 | —Jun 2016 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
2 bd · 2 ba · 1,336 sqft · built 1986 · 0.109 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $539,000Nov 2013 | $8,6652025 | Amount on Record Jan 2003 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
2 bd · 2 ba · 1,336 sqft · built 1987 · 0.119 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $274,000Aug 1998 | $2,2972025 | —Mar 2018 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,248 sqft · built 1987 · 0.117 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,500,000Aug 2022 | $18,2742025 | Amount on Record Aug 2003 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,026 sqft · built 1987 · 0.117 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $955,000Dec 2019 | $13,1102025 | —Sep 2015 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,248 sqft · built 1987 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $881,000Oct 2015 | $13,0932025 | —May 2005 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 4 ba · 2,934 sqft · built 1990 · 0.147 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $808,000Jan 2015 | $12,2452025 | 3 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
3 bd · 3 ba · 1,960 sqft · built 1963 · 0.144 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $900,000Mar 2021 | $14,1182025 | 3 Owners on Record | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,985 sqft · built 1989 · 0.159 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $855,000Jul 2014 | $12,9112025 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,394 sqft · built 1991 · 0.117 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,530,000Jul 2025 | $14,3332025 | Amount on Record Feb 2006 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 4 ba · 2,808 sqft · built 2010 · 0.216 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $700,000Oct 2011 | $11,1612025 | —Sep 2012 | Owner on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 2 ba · 1,718 sqft · built 2012 · 0.216 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,526,000May 2026 | $9,5212025 | Amount on Record Dec 2012 | Owner on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jul 2026 |