Alameda County property records for 23 addresses on Serpentine Dr, Union City, CA · Last verified August 2026
| Properties | 23 |
|---|---|
| Median Sale Price | $790,000 |
| Deeds and Mortgages on File | 28 |
| Median Price per Sqft | $384 |
| Owner Occupied | 78% |
| Median Annual Tax Bill | $10,735 |
| 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 · 1,988 sqft · built 1997 · 0.127 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $760,000May 2014 | $13,1522025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
0.112 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $414,000Dec 1999 | $9,4222025 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 1,859 sqft · built 1997 · 0.086 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $390,000Sep 1999 | $8,9592025 | Owner on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 2.5 ba · 2,008 sqft · built 1999 · 0.084 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $412,500Dec 1999 | $9,3892025 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 1,988 sqft · built 1997 · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $765,000Feb 2005 | $14,8522025 | Amount on Record Jul 1998 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3 ba · 2,146 sqft · built 1999 · 0.084 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $570,000Oct 2002 | $13,9722025 | —Dec 2004 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
5 bd · 3 ba · 1,859 sqft · built 1997 · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $374,000Jun 1999 | $8,8822025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,008 sqft · built 1999 · 0.084 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,660,000May 2022 | $22,3452025 | Amount on Record Sep 2014 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2025 |
3 bd · 3 ba · 1,551 sqft · built 1997 · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $501,000Jun 2002 | $10,7352025 | —Jul 2004 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,146 sqft · built 1999 · 0.097 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $790,000Oct 2014 | $13,4652025 | Amount on Record Jul 2009 | Owner on Record | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 1,859 sqft · built 1997 · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $538,000Apr 2003 | $11,3162025 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 2.5 ba · 2,146 sqft · built 2000 · 0.095 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $414,000Jan 2000 | $9,4202025 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 1,859 sqft · built 1997 · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $595,000Jan 2004 | $12,0712025 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 4 ba · 2,008 sqft · built 1999 · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $680,000Mar 2008 | $12,7962025 | —May 2005 | 2 Owners on Record | AssessorUpdated Oct 2025 |
3 bd · 2.5 ba · 1,551 sqft · built 1997 · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $265,000Sep 1997 | $6,7352025 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 2.5 ba · 2,146 sqft · built 2000 · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $439,500Feb 2000 | $9,9092025 | —Dec 2002 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 1,859 sqft · built 1997 · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,655,000Nov 2024 | $22,3712025 | —Apr 2021 | 2 Owners on Record Owner Occupied | Assessor + 5 DocumentsUpdated Oct 2025 |
4 bd · 2.5 ba · 2,008 sqft · built 2000 · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $406,000Feb 2000 | $9,2652025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 3 ba · 1,551 sqft · built 1997 · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 2000 | $9,5912025 | —Jan 2000 | 2 Owners on Record | AssessorUpdated Oct 2025 |
4 bd · 2.5 ba · 2,146 sqft · built 2000 · 0.095 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $429,000Feb 2000 | $9,8002025 | —May 2013 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 1,988 sqft · built 1997 · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Mar 2015 | $14,2872025 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,002 sqft · built 1997 · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $617,000Oct 2012 | $11,0722025 | —May 2009 | Owner on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 2.5 ba · 1,551 sqft · built 1997 · 0.097 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $275,000Oct 1997 | $6,4182025 | —Aug 2001 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |