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Kahlert St, Castro Valley, CA Property Records

Alameda County property records for 32 addresses on Kahlert St, Castro Valley, CA · Last verified October 2026

Kahlert St Highlights

Properties 32
Median Sale Price $950,000
Deeds and Mortgages on File 38
Median Price per Sqft $614
Owner Occupied 66%
Median Annual Tax Bill $6,020
Median Year Built 1958
Median Ownership Tenure 12 years

Properties on Kahlert St

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

21211 Kahlert St

0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Aug 2026

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21219 Kahlert St

0.092 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Aug 2026

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21227 Kahlert St

0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1993 Owner on Record AssessorUpdated Aug 2026

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21230 Kahlert St

4 bd · 3 ba · 2,807 sqft · built 1992 · 0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2019 $5,0932025 —Mar 2019 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

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21235 Kahlert St

3 bd · 1 ba · 1,016 sqft · built 1950 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2018 $5,0652025 —Oct 2010 2 Owners on Record AssessorUpdated Oct 2025

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21238 Kahlert St

3 bd · 2 ba · 1,452 sqft · built 1950 · 0.115 acres

Last Sale Tax Bill Prior Sale Owner Records
$226,500Jun 2022 $10,7362025 Amount on Record Jan 2019 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

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21243 Kahlert St

2 bd · 1 ba · 865 sqft · built 1950 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$362,000Dec 2014 $6,1552025 —Mar 2002 Owner on Record Owner Occupied AssessorUpdated Aug 2026

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21246 Kahlert St

3 bd · 1 ba · 1,131 sqft · built 1950 · 0.122 acres

Last Sale Tax Bill Prior Sale Owner Records
$336,500Aug 2020 $6,0202025 —Nov 2008 2 Owners on Record Assessor + 1 DocumentUpdated Oct 2026

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21251 Kahlert St

3 bd · 2.5 ba · 1,978 sqft · built 1950 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 1996 $2,4562025 —Dec 2019 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

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21259 Kahlert St

2 bd · 1 ba · 865 sqft · built 1950 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Jun 2009 $5,1172025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

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21266 Kahlert St

3 bd · 1 ba · 1,040 sqft · built 1950 · 0.115 acres

Last Sale Tax Bill Prior Sale Owner Records
$235,000Jan 2012 $4,4092025 Amount on Record Nov 2003 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

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21267 Kahlert St

3 bd · 1 ba · 1,376 sqft · built 1950 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2014 $1,8122025 —Jan 2011 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

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21274 Kahlert St

3 bd · 1 ba · 836 sqft · built 1950 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,2582025 —May 2023 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

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21275 Kahlert St

3 bd · 2 ba · 1,685 sqft · built 1950 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1999 $5,3792025 —Dec 2010 Owner on Record AssessorUpdated Aug 2026

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21280 Kahlert St

4 bd · 2 ba · 1,647 sqft · built 1959 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$535,000Sep 2015 $8,4282025 —Sep 2015 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

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21281 Kahlert St

3 bd · 2 ba · 1,307 sqft · built 1959 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$750,000Oct 2020 $10,6332025 —Oct 2016 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

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21286 Kahlert St

3 bd · 1.5 ba · 1,528 sqft · built 1959 · 0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,1112025 —May 2008 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

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21287 Kahlert St

3 bd · 2 ba · 1,559 sqft · built 1959 · 0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
$975,000Sep 2025 $9,9822025 Amount on Record Jul 2020 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2026

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21292 Kahlert St

3 bd · 2 ba · 1,528 sqft · built 1959 · 0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jun 1990 $5,2742025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

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21293 Kahlert St

4 bd · 2 ba · 1,318 sqft · built 1959 · 0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
$368,000Nov 2011 $6,4782025 —Nov 2011 Owner on Record Owner Occupied AssessorUpdated Oct 2026

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21298 Kahlert St

4 bd · 2 ba · 1,767 sqft · built 1958 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Sep 1994 $5,4762025 —Mar 2001 Owner on Record AssessorUpdated Sep 2026

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21299 Kahlert St

2 bd · 2 ba · 1,375 sqft · built 1959 · 0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000,000Jul 2024 $12,7862025 Amount on Record May 2014 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

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21305 Kahlert St

4 bd · 2 ba · 1,689 sqft · built 1959 · 0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
$950,000May 2023 $12,6482025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

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21311 Kahlert St

3 bd · 2 ba · 1,301 sqft · built 1959 · 0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
$799,000Aug 2020 $11,3042025 Amount on Record Jan 2012 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

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21317 Kahlert St

3 bd · 2 ba · 1,301 sqft · built 1958 · 0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
$586,000Sep 2016 $5,5902025 Amount on Record Sep 2010 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

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21318 Kahlert St

4 bd · 3 ba · 2,040 sqft · built 1957 · 0.118 acres

Last Sale Tax Bill Prior Sale Owner Records
$969,000Apr 2020 $13,4962025 Amount on Record Dec 1999 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

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21323 Kahlert St

3 bd · 2 ba · 1,301 sqft · built 1958 · 0.122 acres

Last Sale Tax Bill Prior Sale Owner Records
$412,800May 2003 $8,0062025 —Oct 2004 Owner on Record Owner Occupied AssessorUpdated Oct 2026

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21324 Kahlert St

3 bd · 1 ba · 1,176 sqft · built 1957 · 0.116 acres

Last Sale Tax Bill Prior Sale Owner Records
$315,000May 2001 $6,6252025 Amount on Record May 1999 Owner on Record AssessorUpdated Oct 2026

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21329 Kahlert St

2 bd · 2 ba · 1,172 sqft · built 1959 · 0.124 acres

Last Sale Tax Bill Prior Sale Owner Records
$78,750Aug 2000 $5,6402025 Amount on Record Jun 1997 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

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21330 Kahlert St

3 bd · 2 ba · 1,385 sqft · built 1957 · 0.116 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,2312025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

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21335 Kahlert St

3 bd · 2 ba · 1,773 sqft · built 1969 · 0.143 acres

Last Sale Tax Bill Prior Sale Owner Records
$207,500Jul 1994 $5,0442025 —May 2003 Owner on Record Owner Occupied AssessorUpdated Sep 2026

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21336 Kahlert St

2 bd · 2 ba · 1,223 sqft · built 1959 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$830,000Oct 2021 $11,4522025 2 Owners on Record Assessor + 1 DocumentUpdated Aug 2026

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Property Records in Nearby Streets