Siros, Laguna Niguel, CA Property Records

Orange County property records for 25 addresses on Siros, Laguna Niguel, CA · Last verified October 2026

Siros Highlights

Properties 25
Median Sale Price $870,000
Deeds and Mortgages on File 46
Median Price per Sqft $420
Owner Occupied 84%
Median Annual Tax Bill $8,566
Median Year Built 1987
Median Ownership Tenure 23 years

Properties on Siros

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

1 Siros

3 bd · 3 ba · 2,467 sqft · built 1987 · 0.375 acres

Last Sale Tax Bill Prior Sale Owner Records
$346,000Jul 1996 $5,6332025 —Jan 2025 Owner on Record Owner Occupied AssessorUpdated Sep 2026

2 Siros

5 bd · 3.5 ba · 2,771 sqft · built 1987 · 0.251 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,800,000Mar 2023 $18,9052025 Amount on Record Jul 2018 Owner on Record Owner Occupied Assessor + 7 DocumentsUpdated Oct 2026

3 Siros

3 bd · 2.5 ba · 1,979 sqft · built 1987 · 0.298 acres

Last Sale Tax Bill Prior Sale Owner Records
$246,000Jul 1988 $4,6032025 —Aug 1993 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

4 Siros

3 bd · 3 ba · 2,467 sqft · built 1987 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$775,000Feb 2016 $8,0432025 —May 2003 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

5 Siros

3 bd · 3 ba · 2,467 sqft · built 1987 · 0.294 acres

Last Sale Tax Bill Prior Sale Owner Records
$282,000Jul 1988 $2,6442025 —Dec 2020 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

6 Siros

4 bd · 2.5 ba · 2,149 sqft · built 1987 · 0.195 acres

Last Sale Tax Bill Prior Sale Owner Records
$800,000Dec 2015 $9,5002025 Amount on Record Dec 2014 Owner on Record Owner Occupied AssessorUpdated Oct 2026

7 Siros

3 bd · 2.5 ba · 1,979 sqft · built 1987 · 0.286 acres

Last Sale Tax Bill Prior Sale Owner Records
$555,000Oct 2002 $8,5662025 —Oct 2002 Owner on Record AssessorUpdated Oct 2026

8 Siros

4 bd · 3 ba · 2,343 sqft · built 1987 · 0.163 acres

Last Sale Tax Bill Prior Sale Owner Records
$745,000Dec 2010 $9,6672025 —Dec 2010 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

9 Siros

4 bd · 3 ba · 2,343 sqft · built 1987 · 0.285 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,430,000Oct 2022 $14,9532025 —Mar 2005 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

10 Siros

3 bd · 2.5 ba · 1,979 sqft · built 1987 · 0.173 acres

Last Sale Tax Bill Prior Sale Owner Records
$680,000Aug 2009 $8,8612025 Amount on Record Mar 2005 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

11 Siros

3 bd · 3 ba · 2,467 sqft · built 1987 · 0.304 acres

Last Sale Tax Bill Prior Sale Owner Records
$360,000— $6,3702025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

12 Siros

3 bd · 3 ba · 2,467 sqft · built 1987 · 0.217 acres

Last Sale Tax Bill Prior Sale Owner Records
$599,000Aug 2002 $8,6982025 Amount on Record Sep 1996 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Oct 2026

14 Siros

4 bd · 3 ba · 2,343 sqft · built 1987 · 0.173 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2005 $13,2432025 Amount on Record Dec 1993 Owner on Record AssessorUpdated Oct 2026

15 Siros

4 bd · 2.5 ba · 2,149 sqft · built 1987 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$665,000Sep 2011 $8,3732025 Amount on Record Nov 2009 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

16 Siros

4 bd · 2.5 ba · 2,149 sqft · built 1987 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$675,000Aug 2003 $9,6132025 Amount on Record May 2000 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

17 Siros

4 bd · 3 ba · 2,343 sqft · built 1987 · 0.278 acres

Last Sale Tax Bill Prior Sale Owner Records
$501,000Mar 2001 $7,5632025 Amount on Record Jan 1998 Owner on Record Owner Occupied Assessor + 5 DocumentsUpdated Sep 2026

18 Siros

3 bd · 3 ba · 2,467 sqft · built 1987 · 0.173 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Sep 1996 $5,6972025 Amount on Record May 1994 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

19 Siros

3 bd · 3 ba · 2,467 sqft · built 1987 · 0.281 acres

Last Sale Tax Bill Prior Sale Owner Records
$290,000Apr 1994 $4,9912025 —Apr 2015 Owner on Record AssessorUpdated Aug 2026

20 Siros

4 bd · 3 ba · 2,343 sqft · built 1987 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$985,000Jun 2019 $11,1012025 Amount on Record Sep 1997 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Oct 2026

21 Siros

4 bd · 2.5 ba · 2,259 sqft · built 1987 · 0.267 acres

Last Sale Tax Bill Prior Sale Owner Records
$262,000Jul 1988 $5,0402025 —Dec 2004 Owner on Record Owner Occupied AssessorUpdated Aug 2026

22 Siros

4 bd · 2.5 ba · 2,149 sqft · built 1987 · 0.177 acres

Last Sale Tax Bill Prior Sale Owner Records
$745,000Aug 2010 $9,5752025 Amount on Record Jun 2008 Owner on Record Owner Occupied AssessorUpdated Oct 2026

23 Siros

4 bd · 3 ba · 2,357 sqft · built 1987 · 0.246 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1999 $5,5882025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

24 Siros

3 bd · 3 ba · 2,467 sqft · built 1987 · 0.259 acres

Last Sale Tax Bill Prior Sale Owner Records
$665,000Sep 2003 $9,5552025 —Jan 2003 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

25 Siros

3 bd · 2.5 ba · 1,979 sqft · built 1987 · 0.245 acres

Last Sale Tax Bill Prior Sale Owner Records
$870,000Apr 2017 $10,2032025 Amount on Record Oct 2011 Owner on Record Assessor + 3 DocumentsUpdated Oct 2026

27 Siros

3 bd · 3 ba · 2,467 sqft · built 1987 · 0.216 acres

Last Sale Tax Bill Prior Sale Owner Records
$280,000Jul 1988 $5,2792025 —Sep 2013 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

Property Records in Nearby Streets