559 Winncastle St, Simi Valley, CA 93065 Property Records

Ventura County property record for 559 Winncastle St, Simi Valley, CA 93065

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,020 sqft · built 1997
Lot Size	0.243 acres (10,601 sqft)
Owner	Trust Name on File
Last Sale	$1,300,000 (Oct 2021)
Tax Bill	$14,564 (2025)
Deeds & Mortgages	Oct 2025 Line of Credit Oct 2021 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`596-0-121-355`

Property Details

APN / Parcel Number

Primary APN	`596-0-121-355`
Alternative APN	`6800470355`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,020 sqft Living Area
1st Floor Area	1,527 sqft
2nd Floor Area	1,493 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1997
Effective Year Built	Effective 1997
Architectural Style	Traditional
Exterior Material	Stucco
Roof Material	Tile
Lot Area	10,601 sqft (0.243 acres)
Garage Area	646 sqft
Parking Spaces	2 Parking Spaces
Pool Area	512 sqft
Porch	Porch
Porch Area	168 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Old Parcel Number	6800470355
Street Address	559 WINNCASTLE ST
City	SIMI VALLEY
State	CA
Zip	93065-0620
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RPD1
Legal Description	TRACT: 423900 LOT: 219 REF: 117MR 3
Legal Subdivision	4239
Legal Tract	423900
Legal Block	121
Legal Lot Number	219
Jurisdiction	VENTURA CA
Township / Civil Division	SIMI VALLEY
Census Block Group	1
Census Block	1000
Census Tract	7507

Owner

559 Winncastle St is held in a trust since October 2021.

Source: Ventura County records, as of July 15, 2026

Owner of Record	Trust Name on File
Mailing Address	559 WINNCASTLE ST, SIMI VALLEY, CA 93065-0620
Owner Type	Company
Vesting	Trust

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

Deeds, Mortgages & Sale History

Date	Document
Oct 24, 2025	Deed of Trust, Mortgage · Line of Credit US BANK NA
Oct 22, 2021	Grant Deed, Transfer · Conventional Mortgage MUFG UNION BANK NA
Apr 20, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage LOGIX FCU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 22, 2021 · Amount on File
Deed Sale	Oct 22, 2021 · Amount on File
Prior Sale	Nov 15, 2005 · Amount on File
Deed Document Number	2021192383
Prior Transfer Date	Oct 7, 1997
Prior Transfer Doc	0000145101
Record Updated	Oct 29, 2026

October 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	VENTURA CA
Property Address	559 WINNCASTLE ST, SIMI VALLEY, CA 93065-0620
Transaction Type	Mortgage
Record Updated	Nov 7, 2025
Title Company	RADIAN SETTLEMENT SERVICES INC, RADIAN SETTLEMENT SERVICES

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	559 WINNCASTLE ST, SIMI VALLEY, CA 93065-0620

Mortgage

Document Number	0000076372
Date	Oct 24, 2025
Instrument	2025000076372

Lender

Name	US BANK NA
Type	Bank
Address	HOPKINS, MN 55343

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Oct 18, 2055

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

October 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	VENTURA CA
Recording Date	Oct 22, 2021
Property Address	559 WINNCASTLE ST, SIMI VALLEY, CA 93065-0620
Document Number	0000192383
Map Reference	MB 117 PG 3-23
Instrument Date	Oct 18, 2021
Instrument	20211022-00192383
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Living Trust
Address	559 WINNCASTLE ST, SIMI VALLEY, CA 93065-0620

Mortgage

Document Number	0000192384
Date	Oct 22, 2021
Instrument	20211022-00192384

Lender

Name	MUFG UNION BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2051

April 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	VENTURA CA
Recording Date	Apr 20, 2020
Property Address	559 WINNCASTLE ST, SIMI VALLEY, CA 93065-0620
Document Number	0000053258
Map Reference	MB 117 PG 3-23
Instrument Date	Apr 11, 2020
Instrument	20200420-00053258
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	WFG NATIONAL TITLE CO OF CA

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	559 WINNCASTLE ST, SIMI VALLEY, CA 93065-0620

Mortgage

Document Number	0000053259
Date	Apr 20, 2020
Instrument	20200420-00053259

Lender

Name	LOGIX FCU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 559 Winncastle St was $14,564, down 7.4% from the year before.

Source: Ventura County assessment roll, as of July 15, 2026

Property Jurisdictions

Type	Name
State	California
County	Ventura County
Municipality	Simi Valley City
Unified School District	Simi Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,258,000 (-) Land $818,000 Building $440,000
2025	$14,564.00 (-7.36%)	$1,258,000 Land $818,000 Building $440,000
2024	$15,721.00 (+6.27%)
2023	$14,794.00 (-0.14%)	$1,326,000 Land $861,900 Building $464,100
2022	$14,815.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 559 Winncastle St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.

Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	4 in force
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 559 Winncastle St is moderate, ranking above 51% of the US, with a 0.08% annual chance of wildfire.

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

Wildfire Risk	Moderate above 51% of the US · lower than 70% of California
Wildfire Likelihood	0.08% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	VENTURA WWD NO. 8 - SIMI VALLEY serves 94,736 people · EPA ID CA5610023
Water Source	Purchased surface water from CALLEGUAS MUNICIPAL WATER DIST
Last State Inspection	Jan 2023
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 208 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 35
Rocket Broadband Fixed Wireless	450 / 100

May also be available: AT&T, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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