Alameda County property records for 14 addresses on Adair Dr, Castro Valley, CA · Last verified August 2026
| Properties | 14 |
|---|---|
| Median Sale Price | $720,000 |
| Deeds and Mortgages on File | 21 |
| Median Price per Sqft | $474 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $9,092 |
| Median Year Built | 1955 |
| Median Ownership Tenure | 14 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 2 ba · 1,331 sqft · built 1955 · 0.152 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $455,000Aug 2003 | $8,5022025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 2 ba · 1,762 sqft · built 1955 · 0.201 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,030,000Nov 2020 | $13,9422025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,594 sqft · built 1955 · 0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $878,000Nov 2017 | $12,6572025 | Amount on Record Sep 2007 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
3 bd · 2 ba · 1,240 sqft · built 1955 · 0.154 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,8712025 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 2 ba · 1,522 sqft · built 1955 · 0.123 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $720,000Dec 2015 | $10,8442025 | 2 Owners on Record Owner Occupied | Assessor + 5 DocumentsUpdated Oct 2025 |
3 bd · 2 ba · 1,390 sqft · built 1955 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $433,500Apr 2011 | $7,3342025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
3 bd · 2 ba · 1,390 sqft · built 1955 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $234,000Jan 1998 | $5,1952025 | —Jan 1998 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 2 ba · 1,390 sqft · built 1955 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $410,000Sep 2012 | $6,7442025 | —Dec 2011 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,306 sqft · built 1955 · 0.119 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $620,000Mar 2015 | $9,6612025 | —Dec 2017 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
3 bd · 2 ba · 1,582 sqft · built 1955 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $660,000Nov 2016 | $9,8252025 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,020 sqft · built 1955 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $559,000May 2010 | $9,0922024 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2026 |
3 bd · 2 ba · 1,390 sqft · built 1955 · 0.122 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $470,000Mar 2010 | $7,9452025 | —Mar 2010 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 2,374 sqft · built 1969 · 0.119 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000Jun 2011 | $8,3452025 | —Mar 2000 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
3 bd · 2 ba · 1,244 sqft · built 1968 · 0.119 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $970,000Oct 2020 | $13,2582025 | Amount on Record Apr 2008 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |