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Caspar St, Union City, CA Property Records

Alameda County property records for 35 addresses on Caspar St, Union City, CA · Last verified October 2026

Caspar St Highlights

Properties 35
Median Sale Price $1,285,000
Deeds and Mortgages on File 37
Median Price per Sqft $693
Owner Occupied 94%
Median Annual Tax Bill $6,129
Median Year Built 1984
Median Ownership Tenure 22 years

Properties on Caspar St

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

4904 Caspar St

3 bd · 2 ba · 1,268 sqft · built 1984 · 0.152 acres

Last Sale Tax Bill Prior Sale Owner Records
$731,000Apr 2016 $11,7592025 Amount on Record Apr 1997 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

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4905 Caspar St

4 bd · 2 ba · 1,419 sqft · built 1984 · 0.149 acres

Last Sale Tax Bill Prior Sale Owner Records
$219,000May 1992 $5,6912025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

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4906 Caspar St

4 bd · 2.5 ba · 1,889 sqft · built 1984 · 0.152 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Aug 1988 $6,1292025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

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4907 Caspar St

4 bd · 2.5 ba · 2,450 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Apr 2001 $11,5702025 —Oct 1993 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

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4908 Caspar St

4 bd · 2 ba · 1,739 sqft · built 1984 · 0.141 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,520,000Aug 2021 $21,1112025 Amount on Record Dec 2003 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2026

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4909 Caspar St

4 bd · 2 ba · 1,476 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$218,500Jul 1993 $5,7902025 —Feb 2002 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

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4910 Caspar St

5 bd · 3.5 ba · 2,354 sqft · built 1984 · 0.14 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,8242025 —Jun 2001 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

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4911 Caspar St

5 bd · 3.5 ba · 2,071 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$505,000Mar 2001 $11,0192025 —Apr 2025 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

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4912 Caspar St

4 bd · 2.5 ba · 1,871 sqft · built 1984 · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
$47,000Dec 2005 $4,7552025 —Dec 2005 Owner on Record Owner Occupied AssessorUpdated Aug 2026

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4913 Caspar St

4 bd · 2 ba · 1,409 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 1986 $3,9982025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

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4914 Caspar St

3 bd · 2 ba · 1,268 sqft · built 1984 · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 1985 $3,9862025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

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4915 Caspar St

4 bd · 2.5 ba · 1,871 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Jul 1983 $4,4342025 Owner on Record AssessorUpdated Aug 2026

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4916 Caspar St

4 bd · 2.5 ba · 1,889 sqft · built 1984 · 0.133 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 1985 $4,2652025 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

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4917 Caspar St

4 bd · 2 ba · 1,419 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,8412025 —Sep 2012 Owner on Record Owner Occupied AssessorUpdated Aug 2026

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4918 Caspar St

3 bd · 2 ba · 1,268 sqft · built 1984 · 0.158 acres

Last Sale Tax Bill Prior Sale Owner Records
$390,000Jun 2009 $7,1292025 Amount on Record Jun 2005 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

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4919 Caspar St

4 bd · 2.5 ba · 2,124 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,285,000Aug 2020 $18,2452025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

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4921 Caspar St

4 bd · 2 ba · 1,409 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$39,500Oct 2003 $4,9832025 Amount on Record Feb 1997 Owner on Record Owner Occupied AssessorUpdated Sep 2026

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4922 Caspar St

4 bd · 2.5 ba · 1,889 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$639,000Apr 2008 $8,1312025 —May 2007 Owner on Record Owner Occupied AssessorUpdated Aug 2026

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4923 Caspar St

4 bd · 2.5 ba · 1,871 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 1999 $4,0662025 —Jul 1997 Owner on Record Owner Occupied AssessorUpdated Aug 2026

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4924 Caspar St

4 bd · 2 ba · 1,419 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,085,000Aug 2018 $15,9862025 Amount on Record Jun 2001 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

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4925 Caspar St

3 bd · 2 ba · 1,268 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$375,000Nov 2011 $6,8272025 Amount on Record Feb 1999 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

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4926 Caspar St

4 bd · 2.5 ba · 1,871 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$335,000May 1999 $7,4162025 Amount on Record Apr 1996 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

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4927 Caspar St

4 bd · 2.5 ba · 1,889 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,800,000Jan 2022 $23,3622025 Amount on Record Jul 2021 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

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4928 Caspar St

3 bd · 2 ba · 1,364 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$264,000Sep 1998 $6,1592025 Amount on Record Feb 1994 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

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4929 Caspar St

4 bd · 2.5 ba · 1,871 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$131,500Jun 1983 $4,2552025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

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4930 Caspar St

4 bd · 2.5 ba · 1,871 sqft · built 1984 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2024 $4,1002025 —Mar 2005 Owner on Record Owner Occupied AssessorUpdated Aug 2026

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4931 Caspar St

5 bd · 4 ba · 2,563 sqft · built 1980 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2003 $5,0522025 —Nov 2002 Owner on Record Owner Occupied AssessorUpdated Aug 2026

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4932 Caspar St

3 bd · 2 ba · 1,268 sqft · built 1982 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$830,000Jun 2016 $13,1372025 Amount on Record Jul 2007 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

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4933 Caspar St

1,268 sqft · built 1980 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,6142025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

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4934 Caspar St

4 bd · 2 ba · 1,409 sqft · built 1980 · 0.138 acres

Last Sale Tax Bill Prior Sale Owner Records
$237,000Jun 1997 $5,6762025 —Dec 2011 Owner on Record Owner Occupied AssessorUpdated Sep 2026

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4935 Caspar St

4 bd · 2.5 ba · 2,342 sqft · built 1980 · 0.138 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,625,000Nov 2023 $21,5802025 Amount on Record Nov 2006 Owner on Record Owner Occupied Assessor + 6 DocumentsUpdated Oct 2026

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4936 Caspar St

3 bd · 2 ba · 1,268 sqft · built 1980 · 0.138 acres

Last Sale Tax Bill Prior Sale Owner Records
$580,000Jul 2013 $9,7412025 Amount on Record Oct 2004 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

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4937 Caspar St

4 bd · 2 ba · 1,409 sqft · built 1980 · 0.159 acres

Last Sale Tax Bill Prior Sale Owner Records
$495,000Aug 2003 $9,6502025 Amount on Record Nov 1997 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

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4938 Caspar St

4 bd · 2 ba · 1,409 sqft · built 1980 · 0.14 acres

Last Sale Tax Bill Prior Sale Owner Records
$652,000May 2014 $10,9322025 —Feb 2021 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

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4940 Caspar St

1,871 sqft · built 1980 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,0162025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

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Property Records in Nearby Streets