Alameda County property records for 14 addresses on Alderbrook Ct, Castro Valley, CA · Last verified August 2026
| Properties | 14 |
|---|---|
| Median Sale Price | $953,500 |
| Deeds and Mortgages on File | 29 |
| Median Price per Sqft | $504 |
| Owner Occupied | 93% |
| Median Annual Tax Bill | $6,311 |
| Median Year Built | 1984 |
| Median Ownership Tenure | 9 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2.5 ba · 2,262 sqft · 0.189 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $885,000Feb 2006 | $15,1392025 | Amount on Record Aug 1999 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.092 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4122025 | —Jan 2010 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 2 ba · 2,030 sqft · 0.168 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,738,000Jun 2026 | $5,8372025 | —May 2011 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 2,216 sqft · 0.203 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 1993 | $6,3112025 | —Dec 1993 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,890 sqft · 0.088 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,8402025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 2 ba · 1,890 sqft · 0.177 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $953,500Aug 2017 | $6,2402025 | —Nov 2016 | 3 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
3 bd · 2 ba · 1,870 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $975,000Oct 2017 | $11,9462025 | 3 Names on Record Owner Occupied | Assessor + 6 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,154 sqft · 0.238 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,600,500May 2022 | $20,9042025 | —May 2021 | 2 Names on Record | Assessor + 4 DocumentsUpdated Oct 2025 |
4 bd · 2.5 ba · 2,154 sqft · 0.213 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,7452025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 2,499 sqft · 0.197 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $405,000Aug 1999 | $8,6102025 | —Dec 2020 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 2.5 ba · 2,484 sqft · 0.316 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,0692025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 2.5 ba · 2,262 sqft · 0.171 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $188,500Dec 1983 | $5,4572025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 2,262 sqft · 0.238 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $278,409Dec 1995 | $5,2202025 | —Dec 1995 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 2,235 sqft · 0.213 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $660,000Aug 2022 | $10,8392025 | —Sep 2009 | 2 Names on Record Owner Occupied | Assessor + 7 DocumentsUpdated Aug 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | High this street's cells rank at the 72nd percentile of exposed land nationally · 48th in California |
|---|---|
| Wildfire Likelihood | High — about 1 in 311 per year |
| Exposure | Direct 1 of 1 cells directly exposed · 1 adjoin burnable vegetation |