Alameda County property records for 40 addresses on San Antonio St, Hayward, CA · Last verified October 2026
| Properties | 40 |
|---|---|
| Median Sale Price | $5,090,000 |
| Deeds and Mortgages on File | 38 |
| Median Price per Sqft | $333 |
| Owner Occupied | 20% |
| Median Annual Tax Bill | $40,472 |
| Median Year Built | 1983 |
| Median Ownership Tenure | 18 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
77,600 sqft · built 1980 · 4.06 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,525,000Aug 2017 | $122,2392025 | Owner on Record | Assessor + 3 DocumentsUpdated Oct 2026 |
20,000 sqft · built 1983 · 1.04 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $19,8192025 | Owner on Record | AssessorUpdated Aug 2026 |
36,059 sqft · built 1980 · 1.63 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $23,7612025 | Owner on Record | AssessorUpdated Aug 2026 |
2.5 ba · 149,136 sqft · built 1977 · 5.92 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,300,000Feb 2016 | $212,7342025 | Amount on Record Jun 2015 | Owner on Record | AssessorUpdated Oct 2026 |
1.5 ba · 20,540 sqft · built 1988 · 1.57 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,000,000Aug 2017 | $52,1212025 | Amount on Record May 1994 | Owner on Record | Assessor + 1 DocumentUpdated Oct 2026 |
22,250 sqft · built 1989 · 0.962 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,000,000Aug 2017 | $47,8812025 | Amount on Record May 1994 | Owner on Record | Assessor + 1 DocumentUpdated Sep 2026 |
3 ba · 20,106 sqft · built 1985 · 3.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Sep 2006 | $25,9112025 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
86,277 sqft · built 1974 · 4.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,465,000Dec 1996 | $112,6102025 | —Dec 2012 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
42,667 sqft · built 1990 · 1.95 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,760,000Apr 1992 | $40,4722025 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 ba · 44,000 sqft · built 1992 · 1.88 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,872,000Jun 2011 | $62,3462025 | Amount on Record Nov 2007 | Owner on Record | AssessorUpdated Oct 2026 |
3 ba · 24,921 sqft · built 1976 · 1.59 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $26,3532025 | Owner on Record | AssessorUpdated Aug 2026 |
52,090 sqft · built 1987 · 2.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 1979 | $70,0942025 | Owner on Record | AssessorUpdated Aug 2026 |
20,008 sqft · built 1975 · 1.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $880,500May 1992 | $20,1852025 | Owner on Record | AssessorUpdated Aug 2026 |
19,073 sqft · built 1983 · 2.89 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,150,000Nov 2023 | $104,2752025 | Amount on Record Sep 1999 | Owner on Record | Assessor + 1 DocumentUpdated Oct 2026 |
2 ba · 25,788 sqft · built 2001 · 1.68 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $340,000Oct 1997 | $41,4142025 | —Oct 1997 | Owner on Record | AssessorUpdated Aug 2026 |
1 ba · 13,420 sqft · built 1976 · 0.781 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,525,000Mar 2015 | $22,4862025 | —Jan 2012 | Owner on Record | AssessorUpdated Sep 2026 |
13,875 sqft · built 1976 · 0.736 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,090,000Apr 2023 | $65,9402025 | Amount on Record Jan 2006 | Owner on Record | Assessor + 3 DocumentsUpdated Oct 2026 |
13,875 sqft · built 1975 · 0.945 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $113,954Sep 2000 | $15,4912025 | Amount on Record Aug 1996 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
24,810 sqft · built 1987 · 1.63 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,050,000Oct 1998 | $39,2042025 | —Aug 2002 | Owner on Record | AssessorUpdated Aug 2026 |
98,928 sqft · built 1981 · 5.02 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Sep 1999 | $95,0232025 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
12,561 sqft · built 1991 · 0.692 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $841,000Nov 1990 | $19,5892025 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
27,710 sqft · built 1991 · 0.996 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,860,000Jan 2022 | $35,6512025 | Amount on Record Aug 2009 | Owner on Record | Assessor + 5 DocumentsUpdated Aug 2026 |
3 ba · 29,061 sqft · built 1991 · 1.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,275,000Dec 1994 | $27,8232025 | Owner on Record | AssessorUpdated Aug 2026 |
1.5 ba · 100,050 sqft · built 1973 · 3.95 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,543,000Jan 2003 | $82,3282025 | Owner on Record | AssessorUpdated Oct 2026 |
15,000 sqft · built 1981 · 0.962 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,500,000Jan 2022 | $60,6732025 | Owner on Record | Assessor + 3 DocumentsUpdated Oct 2026 |
4,320 sqft · built 1983 · 2.72 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,225,000Dec 1991 | $19,2842025 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
2.5 ba · 126,169 sqft · built 1971 · 3.93 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,225,000Dec 1991 | $119,6442025 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
2 ba · 77,316 sqft · built 1980 · 3.79 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jun 2011 | $82,9682025 | Amount on Record Aug 2000 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
46,626 sqft · built 1999 · 1.95 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,700,000Jan 2017 | $113,4342025 | —Dec 2001 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2026 |
34,656 sqft · built 1986 · 2.19 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | AssessorUpdated Aug 2026 |
5,748 sqft · built 1986 · 2.19 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,550,000Mar 2008 | $13,1822025 | —Mar 2008 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,550,000Mar 2008 | 2 Owners on Record | AssessorUpdated Jun 2023 |
5,748 sqft · built 1986 · 2.19 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,882,000Oct 2021 | $25,4802025 | Amount on Record Mar 2008 | Owner on Record | Assessor + 2 DocumentsUpdated Oct 2026 |
5,748 sqft · built 1987 · 2.19 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,550,000Jun 2008 | $13,1822025 | 2 Owners on Record | Assessor + 2 DocumentsUpdated Oct 2026 |
5,748 sqft · built 1986 · 2.19 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,550,000Jun 2008 | $13,1822025 | 2 Owners on Record | Assessor + 3 DocumentsUpdated Oct 2026 |
1 ba · 5,832 sqft · built 1986 · 2.19 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,945,000Jun 2021 | $26,8412025 | Amount on Record Aug 2007 | Owner on Record | Assessor + 1 DocumentUpdated Oct 2026 |
3 ba · 24,936 sqft · built 1980 · 2.27 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $62,3822025 | Owner on Record | AssessorUpdated Aug 2026 |
4.5 ba · 70,675 sqft · built 1975 · 6.99 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $26,460,000Dec 2018 | $232,4292025 | —Nov 2001 | Owner on Record | Assessor + 2 DocumentsUpdated Sep 2026 |
15,250 sqft · built 1971 · 1.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,820,000Jun 2026 | $51,6742025 | —May 2025 | Owner on Record | Assessor + 1 DocumentUpdated Sep 2026 |
2 ba · 15,030 sqft · built 1973 · 0.987 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jun 1997 | $7,7782025 | Owner on Record | AssessorUpdated Aug 2026 |