Alameda County property records for 56 addresses on Mount Olympus Dr, Castro Valley, CA · Last verified August 2026
| Properties | 56 |
|---|---|
| Median Sale Price | $1,215,000 |
| Deeds and Mortgages on File | 56 |
| Median Price per Sqft | $507 |
| Owner Occupied | 93% |
| Median Annual Tax Bill | $10,273 |
| Median Year Built | 1991 |
| Median Ownership Tenure | 27 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 3 ba · 4,277 sqft · 7 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,200,000Jan 2012 | $18,3562025 | —Dec 2014 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 3,404 sqft · 0.345 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,000Apr 1996 | $12,2532025 | —Apr 1996 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 3,012 sqft · 1.17 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $478,000Oct 1990 | $10,9752025 | —Apr 2013 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,106 sqft · 0.155 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $325,000May 1996 | $5,1712025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,520 sqft · 0.17 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,385,000Feb 2023 | $17,8722025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,745 sqft · 0.229 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,030,000Aug 2016 | $15,8542025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,535 sqft · 0.147 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $394,000Nov 1990 | $9,1702025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,535 sqft · 0.19 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $455,000Nov 1999 | $9,0382025 | —Nov 1999 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 2,088 sqft · 0.152 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $362,500Apr 1990 | $8,6932025 | —Oct 2012 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,327 sqft · 0.165 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,030,000Jan 2018 | $14,6152025 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,531 sqft · 0.165 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $620,000Mar 2001 | $11,8922025 | 1 Name on Record | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,327 sqft · 0.164 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,105,000May 2019 | $15,3312025 | —May 2019 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 2,088 sqft · 0.176 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $525,000Mar 2002 | $10,1852025 | Amount on Record Jan 1998 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
5 bd · 4 ba · 3,022 sqft · 0.234 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $470,500May 1990 | $16,2782025 | —Jul 2003 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,531 sqft · 0.426 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $415,000Apr 1990 | $9,9182025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 3,016 sqft · 0.511 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $685,000Mar 2002 | $12,8092025 | 2 Names on Record | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,531 sqft · 0.44 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $402,500Dec 1994 | $8,7642025 | —Dec 1994 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 3,022 sqft · 0.489 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000May 1997 | $7,8972025 | 1 Name on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,505 sqft · 0.471 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $154,500Dec 1997 | $10,2932025 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 3,022 sqft · 0.422 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,215,000Apr 2020 | $16,4662025 | —Apr 2000 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,531 sqft · 0.272 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $334,500Dec 2003 | $12,0102025 | —Oct 2011 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,366 sqft · 0.223 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $750,000Dec 2008 | $12,2652025 | Amount on Record Nov 2001 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,327 sqft · 0.174 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $124,000Dec 2020 | $10,2862025 | —Feb 2007 | 3 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,323 sqft · 0.122 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $795,000Oct 2006 | $13,3542025 | —Mar 2013 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 3,022 sqft · 0.183 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $436,000Mar 1990 | $10,2492025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,696 sqft · 0.121 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $697,000Oct 2006 | $5,3892025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,102 sqft · 0.182 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,4692025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 3,022 sqft · 0.128 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $679,000Apr 2003 | $12,3902025 | —Mar 2005 | 2 Names on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,531 sqft · 0.19 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $399,500Apr 1990 | $9,4762025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,641 sqft · 0.122 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $346,000Jan 1990 | $8,2982025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 2,505 sqft · 0.136 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $360,000Aug 1997 | $7,5692025 | 3 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,327 sqft · 0.186 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $378,000Mar 1990 | $12,3562025 | 2 Names on Record | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 3,022 sqft · 0.132 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $433,000Feb 1990 | $10,1862025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 3,016 sqft · 0.183 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $438,000Mar 1990 | $10,2732025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,327 sqft · 0.118 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $427,000Nov 1999 | $8,5302025 | —Jan 2003 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,582 sqft · 0.177 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $312,500Aug 1997 | $7,7352025 | Amount on Record Mar 1997 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 2,102 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Jan 1990 | $8,3822025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,505 sqft · 0.257 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $669,000Nov 2002 | $12,2192025 | Amount on Record Oct 2001 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,500 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $415,000Aug 1999 | $8,3122025 | —Aug 2003 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,125 sqft · 0.144 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $510,000Jul 2011 | $8,1562024 | Amount on Record Mar 2005 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 2,537 sqft · 0.113 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $302,000May 1996 | $11,6562025 | —Apr 2014 | 2 Names on Record | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 3,022 sqft · 0.132 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Apr 2004 | $6,5892025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,125 sqft · 0.117 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,500,000Sep 2023 | $18,8402025 | Amount on Record May 2006 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,531 sqft · 0.128 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $326,000May 1995 | $7,2472025 | —May 1995 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 3,016 sqft · 0.121 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $405,000Sep 1991 | $9,2352025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,327 sqft · 0.167 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Aug 2003 | $11,2712025 | 2 Names on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,106 sqft · 0.148 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,6152025 | —Oct 1993 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,088 sqft · 0.133 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,060,000Sep 2020 | $14,3252025 | Amount on Record Jun 2005 | 3 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,327 sqft · 0.146 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,1532025 | —Jun 2009 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 3,009 sqft · 0.12 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $680,000Oct 2003 | $11,9272024 | 1 Name on Record Owner Occupied | AssessorUpdated Apr 2026 |
4 bd · 3 ba · 2,537 sqft · 0.127 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,390,000Mar 2023 | $17,9342025 | Amount on Record Aug 2010 | 3 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,327 sqft · 0.116 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $925,000Sep 2016 | $13,5362025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 3,022 sqft · 0.126 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 1987 | $6,9092025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,505 sqft · 0.116 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,1142025 | —Mar 2012 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 2,327 sqft · 0.124 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $413,000Sep 1999 | $8,2762025 | —Sep 1999 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 2,484 sqft · 0.13 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,000,000Mar 2018 | $14,2132025 | —Nov 2019 | 3 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2025 |