Alameda County property records for 27 addresses on Boone Dr, Castro Valley, CA · Last verified August 2026
| Properties | 27 |
|---|---|
| Median Sale Price | $1,430,000 |
| Deeds and Mortgages on File | 35 |
| Median Price per Sqft | $597 |
| Owner Occupied | 93% |
| Median Annual Tax Bill | $9,643 |
| Median Year Built | 1987 |
| Median Ownership Tenure | 22 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3 ba · 2,306 sqft · 0.151 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000Sep 1997 | $7,7572025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 3,012 sqft · 0.18 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Jun 1989 | $9,6432025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,544 sqft · 0.117 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $349,000Mar 1997 | $7,4932025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 3,022 sqft · 0.126 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $403,500Jul 1989 | $9,5412025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,306 sqft · 0.119 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $605,000Jul 2002 | $11,1252025 | 1 Name on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,522 sqft · 0.121 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $355,000Sep 1993 | $7,9892025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,084 sqft · 0.135 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,200,000Aug 2020 | $16,1132025 | 3 Names on Record Owner Occupied | Assessor + 6 DocumentsUpdated Oct 2025 |
3 bd · 3 ba · 3,068 sqft · 0.216 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,1872025 | —Jun 1999 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.198 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | AssessorUpdated Aug 2026 |
3 bd · 3 ba · 3,058 sqft · 0.192 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,850,000Jul 2025 | $18,7512025 | Amount on Record Oct 2020 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
5 bd · 3 ba · 3,008 sqft · 0.261 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $868,500Feb 2010 | $14,0142025 | —Aug 2009 | 2 Names on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 2,927 sqft · 0.174 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,9082025 | —Feb 2003 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 2,639 sqft · 0.174 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $800,000Sep 2004 | $13,7222024 | Amount on Record Feb 1999 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Apr 2026 |
3 bd · 3 ba · 3,058 sqft · 0.182 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,430,000Dec 2020 | $19,4692025 | Amount on Record Dec 1998 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,977 sqft · 0.167 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $275,000May 1988 | $6,9972025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,927 sqft · 0.174 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jun 1998 | $6,6492025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,338 sqft · 0.17 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $550,000Oct 2000 | $10,5652025 | —Oct 1997 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
3 bd · 3 ba · 3,068 sqft · 0.174 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,9552025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 2,927 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,750,000Jul 2025 | $13,1272025 | Amount on Record Oct 2014 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 2,927 sqft · 0.174 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $615,000Jun 2012 | $9,6802024 | Amount on Record Nov 2006 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 2,639 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,6022025 | —Aug 2003 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,324 sqft · 0.156 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,425,000Apr 2026 | $8,9842025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
3 bd · 2 ba · 1,852 sqft · 0.193 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,250,000Nov 2023 | $15,9142025 | —Jul 2023 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
3 bd · 3 ba · 2,927 sqft · 0.19 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,271,000Feb 2019 | $17,5162025 | —Jan 2018 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,324 sqft · 0.176 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $360,000Jan 1998 | $7,5692025 | —Jan 1998 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 3 ba · 3,058 sqft · 0.162 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,1782025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 3 ba · 3,068 sqft · 0.169 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,578,000Feb 2025 | $21,5192025 | Amount on Record Sep 2024 | 2 Names on Record | Assessor + 4 DocumentsUpdated Oct 2025 |
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 · 47th in California |
|---|---|
| Wildfire Likelihood | High — about 1 in 319 per year |
| Exposure | Direct 1 of 3 cells directly exposed · 2 adjoin burnable vegetation |