Alameda County property records for 4 addresses on Diamond Ct, Castro Valley, CA · Last verified August 2026
| Properties | 4 |
|---|---|
| Median Sale Price | $400,000 |
| Deeds and Mortgages on File | 12 |
| Median Price per Sqft | $483 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $10,157 |
| Median Year Built | 1949 |
| Median Ownership Tenure | 5 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 2 ba · 1,324 sqft · 0.147 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7532025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
2 bd · 1 ba · 827 sqft · 0.153 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Sep 2021 | $10,1572024 | Amount on Record Feb 2021 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 1 ba · 994 sqft · 0.173 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $325,000Jun 2009 | $5,7252025 | Amount on Record Nov 2008 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 1 ba · 1,276 sqft · 0.176 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,060,000Nov 2021 | $12,2802025 | Amount on Record Jun 2019 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated 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 |