Alameda County property records for 11 addresses on Derby Ct, Union City, CA · Last verified August 2026
| Properties | 11 |
|---|---|
| Median Sale Price | $740,000 |
| Deeds and Mortgages on File | 14 |
| Median Price per Sqft | $535 |
| Owner Occupied | 91% |
| Median Annual Tax Bill | $5,331 |
| Median Year Built | 1985 |
| Median Ownership Tenure | 18 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3 ba · 2,018 sqft · built 1985 · 0.145 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $680,000May 2008 | $12,1192025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
3 bd · 2.5 ba · 1,815 sqft · built 1985 · 0.131 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,0772025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,383 sqft · built 1985 · 0.141 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $740,000Dec 2016 | $11,7742025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
3 bd · 2 ba · 1,505 sqft · built 1985 · 0.128 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,6402025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,505 sqft · built 1986 · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $595,000Oct 2004 | $11,3142025 | 2 Names on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 2.5 ba · 2,011 sqft · built 1985 · 0.126 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,3312025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 3 ba · 1,815 sqft · built 1986 · 0.127 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 1993 | $3,2602025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
3 bd · 2 ba · 1,383 sqft · built 1985 · 0.123 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 2002 | $4,8152025 | —May 1994 | 2 Names on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 2 ba · 1,505 sqft · built 1983 · 0.209 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,000,000Mar 2026 | $5,0442025 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 2,135 sqft · built 1985 · 0.134 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,7572025 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2.5 ba · 1,815 sqft · built 1985 · 0.235 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,6312025 | 1 Name on Record Owner Occupied | 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 |