Horner St, Union City, CA Property Records

Alameda County property records for 79 addresses on Horner St, Union City, CA · Last verified August 2026

Horner St Highlights

Properties 79
Median Sale Price $1,060,000
Deeds and Mortgages on File 118
Median Price per Sqft $781
Owner Occupied 63%
Median Annual Tax Bill $6,589
Median Year Built 1976
Median Ownership Tenure 16 years

Properties on Horner St

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

3700 Horner St

3 bd · 1 ba · 1,035 sqft · built 1977 · 0.136 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Jun 1989 $4,3992025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

3702 Horner St

1,035 sqft · built 1977 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,0362025 —Nov 2009 1 Name on Record AssessorUpdated Aug 2026

3706 Horner St

4 bd · 3 ba · 1,432 sqft · built 1977 · 0.108 acres

Last Sale Tax Bill Prior Sale Owner Records
$364,000Oct 2017 $9,5512025 3 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2025

3708 Horner St

1,432 sqft · built 1977 · 0.098 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,4112025 —Jun 2023 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

3712 Horner St

3 bd · 2 ba · 1,124 sqft · built 1977 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$314,500Feb 2002 $6,7082025 Amount on Record May 1995 1 Name on Record Owner Occupied AssessorUpdated Oct 2025

3713 Horner St

4 bd · 4 ba · 1,432 sqft · built 1977 · 0.108 acres

Last Sale Tax Bill Prior Sale Owner Records
$324,000Sep 2011 $6,0712025 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

3714 Horner St

1,204 sqft · built 1977 · 0.084 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,8472025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

3715 Horner St

4 bd · 3 ba · 1,432 sqft · built 1977 · 0.09 acres

Last Sale Tax Bill Prior Sale Owner Records
$806,000Jul 2020 $11,8582025 —Sep 2012 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

3718 Horner St

4 bd · 2.5 ba · 1,432 sqft · built 1976 · 0.079 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 1991 $3,7772025 1 Name on Record AssessorUpdated Aug 2026

3719 Horner St

3 bd · 1 ba · 1,035 sqft · built 1977 · 0.078 acres

Last Sale Tax Bill Prior Sale Owner Records
$847,000May 2026 $4,6172025 Amount on Record Oct 2009 2 Names on Record Assessor + 3 DocumentsUpdated Aug 2026

3720 Horner St

4 bd · 2.5 ba · 1,432 sqft · built 1976 · 0.079 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,060,000Jun 2025 $5,2542025 —Dec 2002 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

3721 Horner St

3 bd · 1 ba · 1,035 sqft · built 1977 · 0.103 acres

Last Sale Tax Bill Prior Sale Owner Records
$164,000Dec 1992 $4,4352025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

3724 Horner St

3 bd · 2 ba · 1,124 sqft · built 1976 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,9202025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

3726 Horner St

3 bd · 2 ba · 1,124 sqft · built 1976 · 0.079 acres

Last Sale Tax Bill Prior Sale Owner Records
$926,000Mar 2024 $12,7682025 —Dec 2014 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

3729 Horner St

1,124 sqft · built 1978 · 0.106 acres

Last Sale Tax Bill Prior Sale Owner Records
$196,000Nov 1998 $4,7232025 —Nov 1998 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

3730 Horner St

2 bd · 1 ba · 815 sqft · built 1976 · 0.079 acres

Last Sale Tax Bill Prior Sale Owner Records
$375,000Oct 2006 $7,2762025 3 Names on Record Assessor + 1 DocumentUpdated Oct 2025

3731 Horner St

1,124 sqft · built 1978 · 0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,6492025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

3732 Horner St

2 bd · 1 ba · 815 sqft · built 1976 · 0.079 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Nov 2002 $6,3302025 Amount on Record Dec 1999 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

3735 Horner St

3 bd · 1 ba · 1,035 sqft · built 1978 · 0.095 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,005,000Aug 2024 $13,6192025 Amount on Record Nov 2014 2 Names on Record Assessor + 3 DocumentsUpdated Aug 2026

3736 Horner St

3 bd · 2 ba · 1,035 sqft · built 1976 · 0.084 acres

Last Sale Tax Bill Prior Sale Owner Records
$443,000Oct 2004 $8,6362025 —Nov 2017 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2025

3737 Horner St

3 bd · 1 ba · 1,035 sqft · built 1978 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$385,000Jan 2004 $7,7552025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

3738 Horner St

3 bd · 1 ba · 1,035 sqft · built 1976 · 0.097 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2008 $7,0922025 3 Names on Record AssessorUpdated Oct 2025

3800 Horner St

3 bd · 2 ba · 1,035 sqft · built 1976 · 0.084 acres

Last Sale Tax Bill Prior Sale Owner Records
$170,000Feb 2016 $6,6332025 Amount on Record Jul 1999 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

3802 Horner St

3 bd · 1 ba · 1,035 sqft · built 1976 · 0.076 acres

Last Sale Tax Bill Prior Sale Owner Records
$419,000Aug 2013 $7,3292025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

3806 Horner St

4 bd · 3 ba · 1,432 sqft · built 1976 · 0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
$464,000Jul 2004 $9,0092025 —Dec 2020 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

3808 Horner St

4 bd · 3 ba · 1,432 sqft · built 1976 · 0.088 acres

Last Sale Tax Bill Prior Sale Owner Records
$510,000Jun 2017 $8,3172025 Amount on Record Dec 2005 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

3812 Horner St

3 bd · 1 ba · 1,035 sqft · built 1976 · 0.102 acres

Last Sale Tax Bill Prior Sale Owner Records
$101,000Mar 2001 $4,5072025 —Sep 2003 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

3814 Horner St

3 bd · 1 ba · 1,035 sqft · built 1976 · 0.09 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 1990 $4,1632025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

3818 Horner St

4 bd · 3 ba · 1,432 sqft · built 1976 · 0.096 acres

Last Sale Tax Bill Prior Sale Owner Records
$295,000Mar 2013 $8,4732025 —Sep 2016 2 Names on Record Assessor + 2 DocumentsUpdated Oct 2025

3820 Horner St

4 bd · 3 ba · 1,432 sqft · built 1976 · 0.115 acres

Last Sale Tax Bill Prior Sale Owner Records
$790,000Aug 2019 $11,7512025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2025

3900 Horner St

20 bd · 20 ba · 44,800 sqft · built 1986 · 2.53 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,000,000Sep 2023 $233,3722025 —May 2023 1 Name on Record Assessor + 12 DocumentsUpdated Aug 2026

3971 Horner St

1,400 sqft · built 1937 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$600,000Mar 2005 $11,4212025 —Jun 2011 1 Name on Record AssessorUpdated Oct 2025

3982 Horner St

1 ba · 4,287 sqft · built 1975 · 0.512 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Mar 2014 $12,1162025 —Nov 2001 1 Name on Record AssessorUpdated Oct 2025

3986 Horner St

3 bd · 1 ba · 1,308 sqft · built 1910 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,4902025 —Dec 2015 1 Name on Record Assessor + 2 DocumentsUpdated Oct 2025

3992 Horner St

1 ba · 4,560 sqft · built 1898 · 0.199 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2015 $3,3182025 —Apr 2005 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

4020 Horner St

3 bd · 3 ba · 2,178 sqft · built 2001 · 0.191 acres

Last Sale Tax Bill Prior Sale Owner Records
$605,000Dec 2008 $10,6792025 Amount on Record May 2002 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

4029 Horner St

0.135 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2002 1 Name on Record AssessorUpdated Aug 2026

4053 Horner St

4 bd · 3 ba · 2,182 sqft · built 1900 · 0.111 acres

Last Sale Tax Bill Prior Sale Owner Records
$380,000Nov 2011 $18,9082025 —Aug 2018 1 Name on Record Assessor + 1 DocumentUpdated Oct 2025

4065 Horner St

2 bd · 2 ba · 1,550 sqft · built 1900 · 0.118 acres

Last Sale Tax Bill Prior Sale Owner Records
$149,000Feb 1991 $4,3422025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4089 Horner St

4 bd · 1 ba · 1,333 sqft · built 1900 · 0.111 acres

Last Sale Tax Bill Prior Sale Owner Records
$114,000Jan 2015 $10,5982025 Amount on Record Apr 2010 2 Names on Record AssessorUpdated Aug 2026

4090 Horner St

3 bd · 1 ba · 1,238 sqft · built 1922 · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$325,000May 2010 $6,1412025 Amount on Record Dec 1997 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4117 Horner St

3 bd · 1 ba · 1,176 sqft · built 1908 · 0.108 acres

Last Sale Tax Bill Prior Sale Owner Records
$162,000Jun 1999 $4,1402025 —Jun 1999 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

4130 Horner St

3 bd · 2 ba · 1,170 sqft · built 1920 · 0.168 acres

Last Sale Tax Bill Prior Sale Owner Records
$311,000Aug 2009 $6,0022025 Amount on Record Nov 2004 1 Name on Record AssessorUpdated Oct 2025

4143 Horner St

2 bd · 1 ba · 972 sqft · built 1895 · 0.108 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,6432025 —Jun 1999 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4166 Horner St

4 bd · 2 ba · 1,104 sqft · built 1958 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2002 $2,4522025 —Jul 1999 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4176 Horner St

2 bd · 1 ba · 677 sqft · built 1916 · 0.083 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 1988 $2,5342025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4191 Horner St

4 bd · 2 ba · 1,781 sqft · built 1897 · 0.437 acres

Last Sale Tax Bill Prior Sale Owner Records
$345,000Dec 2011 $11,8212025 Amount on Record Nov 2005 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

4214 Horner St

2 ba · 1,395 sqft · built 1915 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$650,000Aug 2007 $1,3802025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jan 2026

4223 Horner St

2 bd · 1 ba · 1,163 sqft · built 1897 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$460,000Aug 2004 $9,0272025 —Mar 2002 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

4235 Horner St

2 ba · 1,257 sqft · built 1966 · 0.827 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2023 $5,0452025 —Aug 2003 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4238 Horner St

3 bd · 1 ba · 1,200 sqft · built 1898 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,8272025 —Mar 2002 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

4258 Horner St

3 bd · 2 ba · 1,253 sqft · built 1906 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000May 2011 $6,5622025 Amount on Record Jan 2011 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

4259 Horner St

4 bd · 3 ba · 1,870 sqft · built 1994 · 0.112 acres

Last Sale Tax Bill Prior Sale Owner Records
$568,000Apr 2008 $10,3512025 1 Name on Record Owner Occupied AssessorUpdated Oct 2025

4270 Horner St

6 bd · 2.5 ba · 2,052 sqft · 0.108 acres

Last Sale Tax Bill Prior Sale Owner Records
$195,000Mar 1998 $5,7072025 —Aug 2002 1 Name on Record AssessorUpdated Aug 2026

4271 Horner St

4 bd · 3 ba · 2,300 sqft · built 1995 · 0.112 acres

Last Sale Tax Bill Prior Sale Owner Records
$630,000May 2010 $11,3822024 Amount on Record Mar 1995 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated May 2026

4283 Horner St

4 bd · 2.5 ba · 2,070 sqft · built 1995 · 0.12 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000Apr 1995 $6,3562025 —Apr 2003 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

4301 Horner St

5 bd · 3 ba · 2,300 sqft · built 1994 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,036,000Apr 2017 $16,0222025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

4313 Horner St

4 bd · 3 ba · 2,080 sqft · built 1995 · 0.112 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Jul 1995 $6,5082025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4325 Horner St

4 bd · 3 ba · 1,870 sqft · built 1995 · 0.107 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,470,000Oct 2025 $6,1842025 —May 2017 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Dec 2025

4337 Horner St

4 bd · 3 ba · 2,070 sqft · built 1995 · 0.107 acres

Last Sale Tax Bill Prior Sale Owner Records
$820,000Mar 2016 $13,0982025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

4349 Horner St

4 bd · 2.5 ba · 1,870 sqft · built 1995 · 0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
$245,000Apr 1995 $6,0412025 —Jun 2000 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4363 Horner St

2 bd · 1 ba · 1,032 sqft · built 1895 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Apr 2021 $14,3142025 Amount on Record Mar 2008 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4377 Horner St

3 bd · 2 ba · 1,377 sqft · built 1895 · 0.177 acres

Last Sale Tax Bill Prior Sale Owner Records
$182,000Jul 1993 $4,8392025 —Apr 1994 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

4400 Horner St

1.5 ba · 105,349 sqft · built 1988 · 5.92 acres

Last Sale Tax Bill Prior Sale Owner Records
$369,000Nov 2012 $75,8692025 1 Name on Record AssessorUpdated Aug 2026

4425 Horner St

3 bd · 2 ba · 1,520 sqft · built 1900 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Nov 2009 $6,7052024 Amount on Record Oct 2009 2 Names on Record AssessorUpdated May 2026

4439 Horner St

2 bd · 2 ba · 1,378 sqft · built 1898 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$170,000Dec 2008 $5,5302024 Amount on Record Jul 2008 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Apr 2026

4451 Horner St

4 bd · 1 ba · 960 sqft · built 2023 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,300,000Apr 2024 $15,6292024 Amount on Record Sep 2021 2 Names on Record Owner Occupied Assessor + 7 DocumentsUpdated May 2026

4463 Horner St

2 bd · 1 ba · 1,001 sqft · built 1922 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,6832025 —Jul 2019 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

4477 Horner St

5 bd · 2 ba · 1,973 sqft · built 1946 · 0.344 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,200,000Jun 2023 $18,5672025 —Dec 2001 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4600 Horner St

7,850 sqft · built 1987 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,525,000Aug 2007 $27,5852025 —Aug 2007 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

4700 Horner St

60,648 sqft · built 1974 · 2.57 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,685,000Jan 2010 $30,3992024 Amount on Record — 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

4813 Horner St

2 bd · 1.5 ba · 824 sqft · built 1935 · 0.757 acres

Last Sale Tax Bill Prior Sale Owner Records
$325,000Jun 2012 $6,0882025 —Mar 1995 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4837 Horner St

3 bd · 1 ba · 864 sqft · built 1910 · 0.234 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2023 $3,6942025 Amount on Record Dec 2017 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

4849 Horner St

3 bd · 1 ba · 936 sqft · built 1955 · 0.496 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,5892025 1 Name on Record Owner Occupied AssessorUpdated Oct 2025

4862 Horner St

0.242 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,685,000Jan 2010 $2,4712024 Amount on Record — 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

4890 Horner St

2 bd · 1 ba · 960 sqft · built 1925 · 0.258 acres

Last Sale Tax Bill Prior Sale Owner Records
$750,000Jan 2021 $11,1812025 3 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

4900 Horner St

1.69 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,488,000Mar 2022 $49,0672025 Amount on Record May 2013 1 Name on Record AssessorUpdated Aug 2026

4915 Horner St

3 bd · 1 ba · 1,312 sqft · built 1880 · 0.452 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,000Mar 1998 $3,5952025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4995 Horner St

13 bd · 9 ba · 5,041 sqft · built 1930 · 0.426 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2014 —Nov 2006 1 Name on Record AssessorUpdated Aug 2026

Wildfire Risk on Horner St

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskLow
this street's cells rank above 20% of the US · above 11% of California
Wildfire LikelihoodAbout 1 in 10,000 per year
ExposureDirect
1 of 5 cells directly exposed · 1 adjoin burnable vegetation

Property Records in Nearby Streets