Alameda County property records for 23 addresses on Sonora Way, Union City, CA · Last verified September 2026
| Properties | 23 |
|---|---|
| Median Sale Price | $547,000 |
| Deeds and Mortgages on File | 28 |
| Median Price per Sqft | $473 |
| Owner Occupied | 74% |
| Median Annual Tax Bill | $4,949 |
| Median Year Built | 1970 |
| Median Ownership Tenure | 23 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
2 bd · 1 ba · 875 sqft · built 1972 · 0.043 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,7582025 | —Mar 2005 | Owner on Record | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 1,430 sqft · built 1972 · 0.039 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $332,500Aug 2003 | $6,7142025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 1.5 ba · 1,430 sqft · built 1972 · 0.039 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $143,500Mar 1994 | Owner on Record | AssessorUpdated Aug 2026 |
3 bd · 3 ba · 1,338 sqft · built 1972 · 0.036 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $510,000Dec 2016 | $8,2182025 | Amount on Record Apr 2014 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 1,430 sqft · built 1972 · 0.039 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $355,000Dec 2006 | $8,8682025 | 3 Owners on Record | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 2.5 ba · 1,430 sqft · built 1972 · 0.039 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $117,500Sep 1988 | $3,5312025 | —Feb 2021 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
2 bd · 1 ba · 875 sqft · built 1972 · 0.043 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $143,500Oct 2011 | $3,1052025 | Amount on Record Feb 2011 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 1,632 sqft · built 1972 · 0.042 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $275,000Jan 2009 | $5,2172025 | —Oct 2007 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 2.5 ba · 1,193 sqft · built 1972 · 0.034 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $118,000Apr 1989 | $3,5432025 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 2.5 ba · 1,430 sqft · built 1972 · 0.039 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $160,000Nov 1991 | $4,3192025 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
2 bd · 1 ba · 875 sqft · built 1972 · 0.043 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $248,000Mar 2002 | $5,3722025 | —Nov 2005 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 1,632 sqft · built 1970 · 0.042 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $260,000May 2012 | $4,9492025 | Amount on Record Sep 1994 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 2.5 ba · 1,632 sqft · built 1970 · 0.042 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $900,000Mar 2024 | $12,4222025 | Amount on Record Apr 2012 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
2 bd · 1.5 ba · 1,054 sqft · built 1970 · 0.033 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $39,000Nov 2012 | $3,7982025 | —Dec 2020 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
3 bd · 1.5 ba · 1,155 sqft · built 1970 · 0.034 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $145,000Feb 1998 | $3,6702025 | —Sep 2005 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 2 ba · 1,155 sqft · built 1970 · 0.035 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $547,000Dec 2017 | $8,6912025 | Amount on Record Feb 2016 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
3 bd · 1.5 ba · 1,298 sqft · built 1970 · 0.036 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $635,000Aug 2020 | $9,4232025 | Amount on Record Dec 1997 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Sep 2026 |
3 bd · 1.5 ba · 1,298 sqft · built 1970 · 0.036 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $114,500Jan 1989 | $3,4602025 | —Dec 2021 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 1.5 ba · 1,155 sqft · built 1970 · 0.034 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,6102025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 1.5 ba · 1,155 sqft · built 1970 · 0.034 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $97,500May 1988 | $3,1922025 | —May 2002 | Owner on Record | AssessorUpdated Aug 2026 |
2 bd · 2 ba · 1,054 sqft · built 1970 · 0.033 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $575,000Aug 2020 | $8,6912025 | —May 2018 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
2 bd · 1 ba · 875 sqft · built 1970 · 0.043 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $166,500Nov 1999 | $4,0662025 | Amount on Record Dec 1995 | Owner on Record | Assessor + 1 DocumentUpdated Sep 2026 |
2 bd · 1 ba · 875 sqft · built 1970 · 0.043 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $389,000Aug 2006 | $7,3252025 | Amount on Record Dec 1999 | Owner on Record Owner Occupied | AssessorUpdated Oct 2025 |