4590 Ish Dr, Simi Valley, CA 93063 Property Records

Ventura County property record for 4590 Ish Dr, Simi Valley, CA 93063

Property Summary

Property Type	General Industrial
Details	64,862 sqft · built 2007
Lot Size	4.18 acres (182,277 sqft)
Owner	2 Company Names on Record
Last Sale	$3,750,000 (Dec 2012)
Tax Bill	$96,248 (2025)
Deeds & Mortgages	Jul 2021 Mortgage Feb 2022 Line of Credit + 2 more
Flood Zone	Zone AO (high risk)
APN	`644-0-190-355`

Property Details

APN / Parcel Number

Primary APN	`644-0-190-355`
Alternative APN	`6440140415`

Interior

Building Area	64,862 sqft Total Area
Gross Area	59,969 sqft
Office	16,214 sqft

Exterior

Year Built	Built 2007
Effective Year Built	Effective 2007
Lot Area	182,277 sqft

Location & Zoning

Street Address	4590 ISH DR
City	SIMI VALLEY
State	CA
Zip	93063-7678
Property Category	Industrial
Property Type	Industrial > General Industrial
Legal Description	TRACT: 519300 LOT: 9 REF: 145MR 70
Legal Subdivision	TRACT NO 5193
Legal Tract	519300
Legal Block	190
Legal Lot Number	9
Jurisdiction	VENTURA CA
Township / Civil Division	SIMI VALLEY
Census Block Group	3
Census Block	3002
Census Tract	8002

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on Record
Mailing Address	2444 WILSHIRE BLVD, 402, SANTA MONICA, CA 90403-5812
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
Jul 30, 2021	Deed of Trust, Mortgage CITIZENS BUSINESS BANK
Feb 28, 2022	Deed of Trust, Mortgage · Line of Credit CITIZENS BUSINESS BANK
Apr 16, 2018	Deed of Trust, Mortgage CITIZENS BUSN BK
May 4, 2018	Trustee's Deed, Transfer · Line of Credit CITIZENS BUSN BK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 3, 2012 · Amount on Record
Deed Sale	Dec 3, 2012 · Amount on Record
Deed Document Number	2012216071
Record Updated	Sep 20, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	VENTURA CA
Property Address	4590 ISH DR, SIMI VALLEY, CA 93063-7678
Transaction Type	Mortgage
Record Updated	Sep 15, 2022
Title Company	STEWART TITLE OF CA INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2444 WILSHIRE BLVD 402, 402, SANTA MONICA, CA 90403-5812

Mortgage

Document Number	0000143456
Date	Jul 30, 2021
Instrument	20210730-00143456

Lender

Name	CITIZENS BUSINESS BANK
Type	Bank
Address	PASADENA, CA 91101

Agreement

Amount	Amount Recorded

February 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	VENTURA CA
Property Address	4590 ISH DR, SIMI VALLEY, CA 93063-7678
Transaction Type	Mortgage
Record Updated	Sep 15, 2022
Title Company	STEWART TITLE OF CALIFORNIA

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2444 WILSHIRE BLVD 402, 402, SANTA MONICA, CA 90403-5812

Mortgage

Document Number	2022000028257
Date	Feb 28, 2022
Instrument	2022000028257

Lender

Name	CITIZENS BUSINESS BANK
Type	Bank
Address	PASADENA, CA 91101

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

April 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	VENTURA CA
Property Address	4590 ISH DR, SIMI VALLEY, CA 93063-7678
Document Number	0000051518
Instrument Date	Apr 16, 2018
Transaction Type	Mortgage
Record Updated	Jun 20, 2018
Title Company	STEWART TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	2444 WILSHIRE BLVD #402 SANTA MONICA CA 904035812, 402, SANTA MONICA, CA 90403-5812

Mortgage

Document Number	0000051518
Date	May 4, 2018
Instrument	51518

Lender

Name	CITIZENS BUSN BK
Type	Bank
Address	1010 E COLORADO BLVD, PASADENA, CA 91106-2311

Agreement

Amount	Amount Recorded

May 2018: Trustee's Deed, Transfer

Document Type	Trustee's Deed
Jurisdiction	VENTURA CA
Recording Date	May 4, 2018
Property Address	4590 ISH DR, SIMI VALLEY, CA 93063-7678
Instrument Date	Apr 16, 2018
Instrument	51516
Transaction Type	Transfer
Record Updated	May 22, 2018
Title Company	STEWART TITLE

Transaction

Tax	$0.00
Additional	Partial Interest

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	2444 WILSHIRE BLVD #402 SANTA MONICA CA 904035812, 402, SANTA MONICA, CA 90403-5812

Mortgage

Document Number	0000051516
Date	May 4, 2018
Instrument	51516

Lender

Name	CITIZENS BUSN BK
Type	Bank
Address	1010 E COLORADO BLVD, PASADENA, CA 91106-2311

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

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		$8,714,606 (+2%) Land $2,265,945 Building $6,448,661
2025	$96,248.00 (+1.09%)	$8,543,732 (+4.04%) Land $2,221,515 Building $6,322,217
2024	$95,213.00 (+6.08%)
2023	$89,755.00 (-0.44%)	$8,211,969 Land $2,135,251 Building $6,076,718
2022	$90,151.00

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

Flood

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

FEMA Flood Zone	Zone AO high risk · sheet flow 1–3 ft
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	8 in force

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

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

Wildfire Risk	Moderate above 61% of the US · lower than 63% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Indirect within ember reach

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	CALLEGUAS MUNICIPAL WATER DIST serves 0 people · EPA ID CA5610050
Water Source	Surface water
Last State Inspection	Mar 2023

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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 336 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
GigabitNow Fiber	5,000 / 5,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Rocket Broadband Fixed Wireless · Fiber in parts of the area	450 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: GeoLinks, Verizon.

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