Alameda County property records for 35 addresses on Derby St, Union City, CA · Last verified August 2026
| Properties | 35 |
|---|---|
| Median Sale Price | $1,396,000 |
| Deeds and Mortgages on File | 48 |
| Median Price per Sqft | $694 |
| Owner Occupied | 86% |
| Median Annual Tax Bill | $10,475 |
| Median Year Built | 1997 |
| Median Ownership Tenure | 23 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3 ba · 2,670 sqft · built 1997 · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $360,500Jul 1997 | $15,6722025 | Amount on Record May 1996 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2 ba · 2,043 sqft · built 1997 · 0.158 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000Sep 2011 | $8,8612025 | Amount on Record Mar 2007 | Owner on Record | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,335 sqft · built 1997 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,850,000Sep 2024 | $24,1962025 | Amount on Record Oct 2000 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 3,010 sqft · built 1997 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $388,000Aug 1997 | $8,7542025 | —Oct 2020 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,910 sqft · built 1997 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $362,500Jul 1997 | $8,8212025 | —Aug 2012 | Owner on Record | Assessor + 1 DocumentUpdated Oct 2025 |
5 bd · 3 ba · 2,850 sqft · built 1997 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,025,000Feb 2006 | $18,6132025 | Amount on Record Dec 2000 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 2 ba · 2,043 sqft · built 1997 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $324,000Jul 1997 | $7,3742025 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 3,010 sqft · built 1997 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $388,000Aug 1997 | $9,2192025 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
5 bd · 3 ba · 2,298 sqft · built 1997 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $322,000Jul 1997 | $7,3362025 | —Jul 1997 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 2 ba · 2,043 sqft · built 1997 · 0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Oct 2009 | $11,0282025 | —Jul 2000 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 2 ba · 2,043 sqft · built 1997 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $311,000Jul 1997 | $7,2022025 | 2 Owners on Record | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,670 sqft · built 1997 · 0.162 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,020,000Jul 2005 | $18,4382025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,335 sqft · built 1997 · 0.141 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $327,000Jul 1997 | $8,9952025 | —Mar 2002 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,670 sqft · built 1997 · 0.146 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Jul 1997 | $7,9002025 | —Jul 1997 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 2,335 sqft · built 1997 · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,635,000Jul 2021 | $22,7452025 | Amount on Record Jul 2019 | 2 Owners on Record Owner Occupied | Assessor + 6 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,670 sqft · built 1997 · 0.138 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $701,000May 2002 | $13,9162025 | Amount on Record Jun 1998 | Owner on Record Owner Occupied | Assessor + 6 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 2,670 sqft · built 1997 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $160,000Mar 2000 | $7,7532025 | Amount on Record Apr 1997 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
3 bd · 2 ba · 1,728 sqft · built 1995 · 0.155 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $300,000Jul 1996 | $7,0092025 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 2 ba · 2,043 sqft · built 1997 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $614,000Jun 2003 | $12,0692025 | —Jun 2011 | Owner on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,139 sqft · built 1995 · 0.142 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $705,000Jul 2004 | $13,2492025 | —Feb 2008 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 3,010 sqft · built 1997 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $852,000Jan 2005 | $15,8342025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,685 sqft · built 1995 · 0.142 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000Jul 1996 | $8,6582025 | —Oct 2013 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,335 sqft · built 1997 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $24,733Aug 2008 | $10,6212025 | —Jan 2013 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,011 sqft · built 1986 · 0.118 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $254,000Jul 1993 | $6,3512025 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 3 ba · 1,815 sqft · built 1986 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,100,000Jun 2018 | $16,6432025 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
3 bd · 2 ba · 1,505 sqft · built 1986 · 0.102 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,7172025 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 2 ba · 1,383 sqft · built 1986 · 0.113 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $550,000Apr 2004 | $10,7162025 | Owner on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 2.5 ba · 1,815 sqft · built 1986 · 0.102 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,489,000Mar 2026 | $16,5632025 | Amount on Record Mar 2019 | 2 Owners on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,505 sqft · built 1986 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $860,000Nov 2017 | $13,2852025 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 2.5 ba · 2,005 sqft · built 1986 · 0.102 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 1985 | $5,3682025 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 2.5 ba · 1,815 sqft · built 1986 · 0.113 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,0252025 | —May 2007 | Owner on Record | AssessorUpdated Aug 2026 |
3 bd · 2 ba · 1,505 sqft · built 1986 · 0.101 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $220,000Jun 1997 | $5,4572025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,383 sqft · built 1986 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $630,000Sep 2016 | $10,4752024 | —Mar 2017 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,383 sqft · built 1986 · 0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $692,500Jul 2005 | $12,0392024 | Amount on Record Aug 1999 | Owner on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,011 sqft · built 1985 · 0.129 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,396,000Sep 2025 | $4,5472025 | Amount on Record Jul 1998 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |