Alameda County property records for 22 addresses on 12th St, Union City, CA · Last verified August 2026
| Properties | 22 |
|---|---|
| Median Sale Price | $273,000 |
| Deeds and Mortgages on File | 31 |
| Median Price per Sqft | $419 |
| Owner Occupied | 59% |
| Median Annual Tax Bill | $4,176 |
| Median Year Built | 1959 |
| Median Ownership Tenure | 26 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 2 ba · 1,295 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $222,500Nov 2011 | $4,3742025 | —Nov 2011 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,295 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,0522025 | —Dec 2025 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,295 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $956,000Jan 2022 | $13,2832024 | Amount on Record Jan 2016 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,451 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $860,000Jan 2024 | $12,0062025 | —Nov 2019 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,663 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,3492025 | —Apr 2019 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2025 |
6 bd · 3.5 ba · 2,806 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 1985 | $3,7622025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 1 ba · 1,068 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $778,000Feb 2021 | $11,4752025 | —Jan 2021 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,839 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,8902025 | —Apr 1998 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2 ba · 1,824 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,3192025 | —Jun 2022 | 2 Names on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
2 bd · 1 ba · 826 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 1998 | $2,8452025 | 1 Name on Record | AssessorUpdated Aug 2026 |
2 bd · 1 ba · 826 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 1998 | $1,4742025 | 1 Name on Record | AssessorUpdated Aug 2026 |
4 bd · 1 ba · 1,366 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,3482025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 1 ba · 1,144 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $215,000Jul 2000 | $10,0512025 | —Sep 2017 | 2 Names on Record Owner Occupied | Assessor + 7 DocumentsUpdated Oct 2025 |
3 bd · 1 ba · 940 sqft · 0.115 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $210,000Jun 2012 | $4,1762025 | 1 Name on Record Owner Occupied | AssessorUpdated Oct 2025 |
1 bd · 1 ba · 572 sqft · 0.116 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $240,000May 2015 | $4,5762025 | —Jan 2007 | 1 Name on Record | AssessorUpdated Oct 2025 |
2 bd · 1 ba · 932 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $90,000Aug 1996 | $2,6972025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 2 ba · 1,569 sqft · 0.117 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 1995 | $4,0832025 | —Oct 2022 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 2 ba · 1,664 sqft · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $152,500Jan 1990 | $5,0912025 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2 ba · 1,664 sqft · 0.115 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $273,000Jul 2010 | $5,9712025 | Amount on Record Nov 2009 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 2 ba · 1,442 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,8882025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 2 ba · 1,198 sqft · 0.221 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $140,000Apr 1994 | $3,8502025 | —Apr 1994 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.689 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | AssessorUpdated Aug 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |