Winncastle St, Simi Valley, CA Property Records

Ventura County property records for 27 addresses on Winncastle St, Simi Valley, CA · Last verified August 2026

Winncastle St Highlights

Properties 27
Median Sale Price $1,269,000
Deeds and Mortgages on File 65
Median Price per Sqft $357
Owner Occupied 85%
Median Annual Tax Bill $11,567
Median Year Built 1997
Median Ownership Tenure 12 years

Properties on Winncastle St

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

502 Winncastle St

4 bd · 4 ba · 3,639 sqft · 0.268 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$745,000Nov 2012 $10,8322025 Amount on Record Oct 2006 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

503 Winncastle St

4 bd · 4.5 ba · 3,275 sqft · 0.203 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$775,000May 2013 $11,1602025 Amount on Record Jun 2012 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

510 Winncastle St

4 bd · 4.5 ba · 3,275 sqft · 0.251 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$392,500Jan 1997 $7,9332025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

511 Winncastle St

4 bd · 4 ba · 3,639 sqft · 0.176 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$975,000Jun 2019 $12,6932025 Amount on Record Dec 1996 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

516 Winncastle St

4 bd · 4 ba · 3,639 sqft · 0.213 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$1,300,000Mar 2023 $15,5992025 Amount on Record May 2019 2 Names on Record Owner Occupied Assessor + 7 DocumentsUpdated Aug 2026

517 Winncastle St

4 bd · 4.5 ba · 3,275 sqft · 0.184 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$680,000Oct 2002 $11,5672025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

524 Winncastle St

4 bd · 3 ba · 3,020 sqft · 0.218 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$341,500Jan 1997 $7,5512025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

525 Winncastle St

4 bd · 4 ba · 3,639 sqft · 0.2 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$699,000Dec 2010 $10,5152025 Amount on Record Apr 2005 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

530 Winncastle St

4 bd · 4 ba · 3,639 sqft · 0.217 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,029,000Jul 2005 $16,1102025 Amount on Record Jan 1997 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

531 Winncastle St

4 bd · 3 ba · 3,020 sqft · 0.191 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$1,269,000Apr 2023 $15,1672025 Amount on Record Apr 2020 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

535 Winncastle St

4 bd · 4.5 ba · 3,275 sqft · 0.215 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$1,349,000Aug 2025 $15,2322025 Amount on Record May 2024 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

538 Winncastle St

4 bd · 4 ba · 3,458 sqft · 0.201 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2020 $8,0152025 Amount on Record Jun 1998 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

539 Winncastle St

4 bd · 4 ba · 3,639 sqft · 0.217 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$860,000Aug 2013 $12,2542025 Amount on Record Sep 2011 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

544 Winncastle St

4 bd · 3 ba · 3,020 sqft · 0.21 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$780,000Aug 2014 $10,9752025 Amount on Record Aug 2007 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

545 Winncastle St

4 bd · 4.5 ba · 3,275 sqft · 0.242 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$358,000Nov 1997 $7,6462025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

552 Winncastle St

4 bd · 4.5 ba · 3,275 sqft · 0.25 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$540,000Jul 1999 $9,8372025 Amount on Record Jun 1997 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

558 Winncastle St

4 bd · 4 ba · 3,639 sqft · 0.295 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,250,000Feb 2024 $14,7502025 Amount on Record Jul 1997 2 Names on Record Assessor + 2 DocumentsUpdated Jul 2026

559 Winncastle St

4 bd · 3 ba · 3,020 sqft · 0.243 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$1,300,000Oct 2021 $14,5642025 Amount on Record Nov 2005 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

566 Winncastle St

4 bd · 4 ba · 3,639 sqft · 0.266 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$865,000Jan 2016 $11,9232025 Amount on Record Jun 1997 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

572 Winncastle St

4 bd · 3 ba · 3,020 sqft · 0.27 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$345,000Jun 1997 $6,9522025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

573 Winncastle St

6 bd · 5.5 ba · 3,490 sqft · 0.189 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$620,000Apr 2012 $10,3352025 Amount on Record Oct 1997 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

580 Winncastle St

4 bd · 4 ba · 3,639 sqft · 0.269 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,189,000Oct 2021 $14,6052025 Amount on Record Jun 1999 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

581 Winncastle St

4 bd · 4 ba · 3,639 sqft · 0.16 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$270,000Jul 2014 $12,7952025 Amount on Record Jan 2010 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

586 Winncastle St

6 bd · 4.5 ba · 3,490 sqft · 0.243 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2018 $9,1192025 Amount on Record Aug 1997 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

587 Winncastle St

5 bd · 3 ba · 3,165 sqft · 0.15 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$950,000Jan 2021 $11,9612025 Amount on Record May 2002 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

594 Winncastle St

4 bd · 4 ba · 3,639 sqft · 0.287 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Nov 2020 $14,1352025 Amount on Record Jun 1998 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

595 Winncastle St

4 bd · 4 ba · 3,639 sqft · 0.432 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$384,500Jul 1997 $8,0022025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

Wildfire Risk on Winncastle St

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

Wildfire RiskModerate
this street's cells rank at the 59th percentile of exposed land nationally · 35th in California
Wildfire LikelihoodModerate — about 1 in 939 per year
ExposureDirect
1 of 2 cells directly exposed · 2 adjoin burnable vegetation

Property Records in Nearby Streets