Alameda County property records for 6 addresses on Opal Ct, Castro Valley, CA · Last verified August 2026
| Properties | 6 |
|---|---|
| Latest Sale | $438,000 (Jan 2004) |
| Deeds and Mortgages on File | 8 |
| Average Living Area | 1,456 sq ft |
| Owner Occupied | 67% |
| Median Annual Tax Bill | $3,829 |
| Median Year Built | 1947 |
| Median Ownership Tenure | 22 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 1 ba · 1,696 sqft · 0.128 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,8282025 | —Feb 2006 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
3 bd · 1 ba · 1,080 sqft · 0.128 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jul 2025 | $1,6252025 | —Sep 2019 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 2 ba · 1,248 sqft · 0.144 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,1942025 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,136 sqft · 0.144 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000Sep 1995 | $4,3112025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 1 ba · 1,080 sqft · 0.167 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,8292025 | —Jul 2022 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
5 bd · 3 ba · 2,500 sqft · 0.167 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $438,000Jan 2004 | $11,9492025 | Amount on Record Oct 1998 | 2 Names on Record Owner Occupied | AssessorUpdated Oct 2025 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |