Alameda County property records for 58 addresses on Boulder Canyon Dr, Castro Valley, CA · Last verified October 2026
| Properties | 58 |
|---|---|
| Median Sale Price | $1,485,000 |
| Deeds and Mortgages on File | 81 |
| Median Price per Sqft | $684 |
| Owner Occupied | 95% |
| Median Annual Tax Bill | $11,597 |
| Median Year Built | 1997 |
| Median Ownership Tenure | 24 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3 ba · 2,096 sqft · built 1998 · 0.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,435,000Oct 2022 | $18,0832025 | Amount on Record Mar 2015 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,542 sqft · built 1997 · 0.108 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,065,000Oct 2017 | $15,6362025 | —Sep 2020 | 2 Owners on Record Owner Occupied | Assessor + 5 DocumentsUpdated Oct 2025 |
5 bd · 3 ba · 2,524 sqft · built 1998 · 0.198 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $378,500Dec 1997 | $8,6412025 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
5 bd · 3 ba · 2,524 sqft · built 1997 · 0.097 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $246,000Nov 1997 | $9,1732025 | —Nov 1997 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 2,096 sqft · built 1998 · 0.152 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Apr 2003 | $7,5152025 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,352 sqft · built 1998 · 0.095 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $378,000Nov 1997 | $8,5472025 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,542 sqft · built 1998 · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $356,500Mar 1998 | $8,1542025 | —Sep 2003 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 2,096 sqft · built 1998 · 0.099 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $340,500Nov 1997 | $7,7572025 | —Feb 2000 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
5 bd · 3 ba · 2,524 sqft · built 1998 · 0.104 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $367,000Nov 1997 | $8,3512025 | —Nov 1997 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 3 ba · 2,674 sqft · built 1998 · 0.257 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,969,000Feb 2024 | $24,9082025 | Amount on Record Apr 2009 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2026 |
4 bd · 2.5 ba · 2,096 sqft · built 1998 · 0.109 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $837,500May 2007 | $14,5902025 | Amount on Record Nov 1997 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
4 bd · 3 ba · 2,352 sqft · built 1998 · 0.111 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,450,000Nov 2022 | $19,1722025 | Amount on Record Nov 1997 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
5 bd · 3 ba · 2,524 sqft · built 1998 · 0.113 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $717,000Jan 2004 | $13,3962025 | Amount on Record Dec 1997 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 2,352 sqft · built 1998 · 0.108 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $403,000Dec 1997 | $9,0962025 | —Jul 2013 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
3 bd · 3 ba · 2,096 sqft · built 1997 · 0.106 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,485,000Jul 2021 | $19,8742025 | Amount on Record Sep 2017 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,524 sqft · built 1998 · 0.104 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $670,000Feb 2010 | $11,5972025 | Amount on Record Dec 1997 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 2,096 sqft · built 1998 · 0.106 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $330,000Jan 1998 | $7,6642025 | Owner on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,542 sqft · built 1997 · 0.102 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $638,000Sep 2009 | $11,1162025 | Amount on Record May 2009 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
5 bd · 3 ba · 2,560 sqft · built 1997 · 0.135 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $695,000Aug 2003 | $12,9762025 | Amount on Record Mar 1997 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
4 bd · 3 ba · 2,266 sqft · built 1997 · 0.128 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $349,000Mar 1997 | $8,0832025 | —Mar 1997 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
5 bd · 3 ba · 2,560 sqft · built 1997 · 0.176 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $328,000May 1997 | $7,6912025 | —May 1997 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 3 ba · 2,560 sqft · built 1997 · 0.133 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000Aug 1997 | $8,3492025 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 2,104 sqft · built 1997 · 0.131 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $354,000Sep 1997 | $8,0522025 | —Apr 2011 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 2,104 sqft · built 1997 · 0.142 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,553,000Oct 2024 | $19,5492025 | Amount on Record Oct 2005 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,266 sqft · built 1997 · 0.125 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,165,000Nov 2017 | $16,9042025 | Amount on Record Mar 2014 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
5 bd · 3 ba · 2,560 sqft · built 1997 · 0.129 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,1472025 | —Nov 2012 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
5 bd · 3 ba · 2,560 sqft · built 1997 · 0.122 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $475,000Oct 1998 | $10,1422025 | Amount on Record Jul 1997 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 2,266 sqft · built 1997 · 0.117 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,165,000Mar 2020 | $16,3052025 | Amount on Record Dec 2005 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
5 bd · 3 ba · 2,560 sqft · built 1997 · 0.126 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $830,000Jun 2013 | $13,3712025 | Amount on Record Aug 1997 | 2 Owners on Record | AssessorUpdated May 2026 |
4 bd · 3 ba · 2,266 sqft · built 1997 · 0.119 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $900,000Oct 2005 | $15,7902025 | —Oct 2005 | 3 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
2,104 sqft · built 1997 · 0.136 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $309,500Aug 1997 | $7,2252025 | —Nov 2001 | Owner on Record Owner Occupied | AssessorUpdated Sep 2026 |
4 bd · 3 ba · 2,266 sqft · built 1997 · 0.106 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $590,000Apr 2002 | $11,6192025 | Amount on Record Jul 1997 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2025 |
5 bd · 3 ba · 2,560 sqft · built 1997 · 0.205 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $346,500Jul 1997 | $7,9072025 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
5 bd · 2.5 ba · 2,290 sqft · built 1997 · 0.154 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $341,500Nov 1997 | $7,8202025 | —Nov 1997 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2 ba · 2,154 sqft · built 1997 · 0.215 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Mar 1999 | $8,7812025 | —Dec 2009 | Owner on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,672 sqft · built 1995 · 0.214 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $750,000May 2013 | $12,3042025 | Amount on Record Oct 2006 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2026 |
4 bd · 3 ba · 2,234 sqft · built 1997 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $343,500Nov 1997 | $7,8652025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 4 ba · 2,614 sqft · built 1996 · 0.195 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Jun 2002 | $12,7292025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 2 ba · 2,154 sqft · built 1996 · 0.207 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $347,500Apr 1996 | $8,1962025 | —Apr 1996 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,963 sqft · built 1996 · 0.221 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,000Sep 2015 | $13,9572025 | Amount on Record Oct 2002 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
4 bd · 2 ba · 1,871 sqft · built 1997 · 0.181 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,1692025 | Amount on Record Nov 1996 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 2 ba · 2,154 sqft · built 1995 · 0.236 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $356,500Dec 1995 | $8,3742025 | —Dec 1995 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,871 sqft · built 1996 · 0.176 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $580,000Feb 2011 | $10,1322025 | Amount on Record Sep 2010 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
4 bd · 3 ba · 2,672 sqft · built 1996 · 0.306 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $368,500Feb 1996 | $8,5982025 | —Feb 1996 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
5 bd · 3 ba · 2,357 sqft · built 1996 · 0.141 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $917,000Aug 2016 | $13,9522025 | Amount on Record Mar 2014 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,234 sqft · built 1996 · 0.163 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $805,000Jul 2004 | $14,5432025 | Amount on Record Mar 1996 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,093 sqft · built 1996 · 0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $580,000Nov 2001 | $11,4552025 | Amount on Record Jun 1996 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,672 sqft · built 1996 · 0.198 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $766,000Aug 2002 | $14,3952025 | Amount on Record Dec 2001 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
4 bd · 2 ba · 2,154 sqft · built 1996 · 0.194 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Nov 2004 | $15,2732025 | Amount on Record Sep 1996 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
4 bd · 3 ba · 2,672 sqft · built 1996 · 0.19 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $785,000Jun 2003 | $14,5612024 | Amount on Record Oct 1996 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2026 |
3 bd · 2 ba · 2,154 sqft · built 1996 · 0.15 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $620,000Sep 2001 | $12,1432025 | —Jul 2003 | Owner on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,460 sqft · built 1996 · 0.197 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,320,000Oct 2019 | $18,3672025 | —Jul 2019 | Owner on Record | Assessor + 4 DocumentsUpdated Oct 2025 |
5 bd · 3 ba · 2,956 sqft · built 1996 · 0.218 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $454,500Sep 1996 | $10,0932025 | —Apr 2018 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,672 sqft · built 1996 · 0.276 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,350,000Aug 2017 | $19,3622025 | —Mar 2015 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
5 bd · 3 ba · 2,575 sqft · built 1996 · 0.208 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $730,000Jul 2009 | $12,6432025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 4 ba · 3,236 sqft · built 1996 · 0.505 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,720,000Oct 2019 | $23,4602025 | —Nov 2016 | Owner on Record | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 3,417 sqft · built 1997 · 0.191 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $920,000Oct 2008 | $16,0462025 | Amount on Record Aug 2003 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
4 bd · 3 ba · 2,672 sqft · built 1997 · 0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $403,000Apr 1997 | $9,6702025 | —May 2012 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |