Lassen St, Castaic, CA Property Records

Los Angeles County property records for 45 addresses on Lassen St, Castaic, CA · Last verified August 2026

Lassen St Highlights

Properties 45
Median Sale Price $760,000
Deeds and Mortgages on File 69
Median Price per Sqft $460
Owner Occupied 89%
Median Annual Tax Bill $8,177
Median Year Built 1992
Median Ownership Tenure 13 years

Properties on Lassen St

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

27805 Lassen St

4 bd · 3 ba · 1,981 sqft · 0.187 acres

Last Sale Tax Bill Prior Sale Owner Records
$239,000Jun 1994 $6,8152025 —Jun 1994 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

27806 Lassen St

3 bd · 2 ba · 1,253 sqft · 0.196 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$420,000Jun 2004 $6,9802025 Amount on Record Jul 1998 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

27811 Lassen St

4 bd · 3 ba · 2,422 sqft · 0.257 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$254,000Jun 1991 $7,9672025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

27812 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.184 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$785,000Aug 2021 $12,3362025 Amount on Record Apr 2017 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

27813 Lassen St

3 bd · 2 ba · 1,867 sqft · 0.274 acres

Last Sale Tax Bill Prior Sale Owner Records
$790,000Mar 2025 $11,8002025 Amount on Record Sep 2005 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

27818 Lassen St

4 bd · 3 ba · 1,827 sqft · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$344,000Nov 2002 $7,9172025 Amount on Record Nov 1994 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

27826 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.153 acres

Last Sale Tax Bill Prior Sale Owner Records
$385,000Dec 2003 $8,3952025 Amount on Record May 1998 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

27827 Lassen St

4 bd · 3 ba · 2,422 sqft · 0.199 acres

Last Sale Tax Bill Prior Sale Owner Records
$244,000Jun 1991 $7,3732025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

27830 Lassen St

3 bd · 2 ba · 1,253 sqft · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Jan 1995 $5,4642025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

27833 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Mar 1995 $5,6002025 —Mar 1999 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

27834 Lassen St

4 bd · 3 ba · 1,827 sqft · 0.146 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$825,000Sep 2025 $9,5572025 Amount on Record Nov 2019 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Jun 2026

27839 Lassen St

3 bd · 2 ba · 1,253 sqft · 0.15 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$740,000Sep 2025 $6,3062025 Amount on Record Nov 2011 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

27840 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.146 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$208,000Feb 1995 $6,5532025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

27843 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.153 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$777,000Nov 2021 $11,7172025 Amount on Record Jul 2002 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

27844 Lassen St

3 bd · 2 ba · 1,253 sqft · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$370,000Oct 2009 $7,6092025 Amount on Record Feb 1997 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

27849 Lassen St

4 bd · 3 ba · 1,827 sqft · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$425,000Apr 2010 $8,5362025 Amount on Record May 2002 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

27850 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.151 acres

Last Sale Tax Bill Prior Sale Owner Records
$560,000Feb 2020 $9,2542025 Amount on Record Dec 1994 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

27853 Lassen St

4 bd · 3 ba · 1,817 sqft · 0.159 acres

Last Sale Tax Bill Prior Sale Owner Records
$219,000Jun 1998 $6,0762025 —Aug 2014 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

27854 Lassen St

3 bd · 2 ba · 1,253 sqft · 0.153 acres

Last Sale Tax Bill Prior Sale Owner Records
$186,001May 1993 $5,7682025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

27859 Lassen St

3 bd · 2 ba · 1,253 sqft · 0.162 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$750,000May 2022 $11,4082025 Amount on Record Feb 2015 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

27860 Lassen St

4 bd · 3 ba · 1,827 sqft · 0.156 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$510,000Aug 2016 $11,5912025 Amount on Record Jul 2008 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

27863 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$619,400Nov 2025 $11,5872025 Amount on Record Aug 2022 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

27864 Lassen St

3 bd · 2 ba · 1,253 sqft · 0.159 acres

Last Sale Tax Bill Prior Sale Owner Records
$156,818May 1996 $5,3282025 Amount on Record Dec 1995 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

27903 Lassen St

3 bd · 2 ba · 1,253 sqft · 0.168 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$760,000Jun 2022 $11,5612025 —Sep 2001 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

27904 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.161 acres

Last Sale Tax Bill Prior Sale Owner Records
$374,000Apr 2003 $8,4282025 —May 2007 1 Name on Record AssessorUpdated Jun 2026

27907 Lassen St

4 bd · 3 ba · 1,827 sqft · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 1994 $6,4232025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

27908 Lassen St

4 bd · 3 ba · 1,827 sqft · 0.164 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$460,000Oct 2015 $8,4972025 Amount on Record May 2015 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

27911 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.174 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$630,000Oct 2020 $10,1152025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

27912 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$568,000Jul 2019 $9,3602025 Amount on Record Sep 2001 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

27917 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.177 acres

Last Sale Tax Bill Prior Sale Owner Records
$439,000Dec 2014 $8,1772025 Amount on Record Apr 2008 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

27918 Lassen St

3 bd · 2 ba · 1,253 sqft · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$377,500Jun 2013 $7,4402025 —Jun 2011 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

27923 Lassen St

3 bd · 2 ba · 1,253 sqft · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Mar 1993 $5,6392025 —Feb 2019 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

27924 Lassen St

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

Last Sale Tax Bill Prior Sale Owner Records
$326,000Jul 2008 $9,0102025 Amount on Record Nov 2007 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

27927 Lassen St

4 bd · 3 ba · 1,827 sqft · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$575,000Jul 2019 $9,4852025 Amount on Record Mar 2016 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

27928 Lassen St

4 bd · 3 ba · 1,827 sqft · 0.176 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$268,000May 2000 $6,8342025 —Mar 2020 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

27933 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.186 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$415,000Feb 2009 $8,2732025 Amount on Record Jul 2001 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

27934 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.184 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$605,000Dec 2020 $9,7632025 —Aug 2003 2 Names on Record Assessor + 2 DocumentsUpdated Jun 2026

27937 Lassen St

4 bd · 3 ba · 1,827 sqft · 0.231 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$562,000May 2016 $9,9742025 Amount on Record Aug 2009 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

27938 Lassen St

3 bd · 2 ba · 1,253 sqft · 0.167 acres

Last Sale Tax Bill Prior Sale Owner Records
$375,000Jul 2013 $2,4902025 Amount on Record Apr 2013 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

27942 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.235 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,6682025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

27946 Lassen St

4 bd · 3 ba · 1,827 sqft · 0.386 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2010 $6,5102025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

27950 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.225 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$204,000Apr 1993 $8,2362025 —Apr 2013 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

27954 Lassen St

3 bd · 2 ba · 1,253 sqft · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$357,000Sep 2013 $7,0732025 Amount on Record Apr 1998 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

27958 Lassen St

4 bd · 3 ba · 1,689 sqft · 0.153 acres

Last Sale Tax Bill Prior Sale Owner Records
$805,000Apr 2022 $12,0492025 Amount on Record Jul 1995 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

27962 Lassen St

3 bd · 2 ba · 1,253 sqft · 0.218 acres

Last Sale Tax Bill Prior Sale Owner Records
$360,000Mar 2013 $7,2482025 Amount on Record Dec 2012 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

Property Records in Nearby Streets