3801 E Guasti Rd, Ontario, CA 91761 Property Records

San Bernardino County property record for 3801 E Guasti Rd, Ontario, CA 91761

Property Summary

Property Type	Light Industrial
Lot Size	7.97 acres (347,240 sqft)
Owner	Company Name on Record
Last Sale	$2,250,000 (May 2002)
Tax Bill	$35,292 (2025)
Deeds & Mortgages	Sep 2022 Mortgage Jul 2020 Transfer + 2 more
Flood Zone	Zone X (moderate risk)
APN	`0210-212-67-0000`

Property Details

APN / Parcel Number

Primary APN	`0210-212-67-0000`

Exterior

Lot Area	347,240 sqft

Utilities, Heating & Cooling

Sewer	Septic
Water Source	Commercial

Location & Zoning

Street Address	3801 E GUASTI RD
City	ONTARIO
State	CA
Zip	91761-1575
Property Category	Industrial
Property Type	Industrial > Light Industrial
Legal Description	PARCEL 4 IN THE CITY OF ONTARIO, COUNTY OF SAN BERNARDINO, STATE OF CALIFORNIA, AS PER PARCEL MAP NO. 4603, AS SHOWN ON THE MAP FILED IN BOOK 43, PAGE 55 OF PARCEL MAPS IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY, EXCEPTING THEREFROM THAT POR
Legal Subdivision	PARCEL MAP NO 4603
Legal Block	1
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	SAN BERNARDINO
Census Block Group	1
Census Block	1013
Census Tract	12700

Owner

Source: San Bernardino County records, as of July 14, 2026

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

Owner of Record	Company Name on Record
Mailing Address	11812 SAN VICENTE BLVD, 200, LOS ANGELES, CA 90049-6622
Owner Type	Company
Vesting	Sole Owner

Deeds, Mortgages & Sale History

Date	Document
Sep 28, 2022	Deed of Trust, Mortgage AMERICAN BUSINESS BANK
Jul 10, 2020	Quit Claim Deed, Transfer LAWYERS TITLE
Sep 21, 2020	Correction Deed, Transfer COMMONWEALTH LAND TITLE INSURANCE, COMMONWEALTH LAND TITLE CO.
Sep 21, 2020	Quit Claim Deed, Transfer COMMONWEALTH LAND TITLE INSURANCE, COMMONWEALTH LAND TITLE CO.

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 6, 2002 · Amount on Record
Deed Sale	May 6, 2002 · Amount on Record
Deed Document Number	2002231849
Last Transfer Date	Oct 16, 2018
Transfer Doc	0000353005
Record Updated	Sep 20, 2026

September 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	3801 E GUASTI RD, ONTARIO, CA 91761-1575
Transaction Type	Mortgage
Record Updated	Oct 11, 2022
Title Company	STEWART TITLE GUARANTY CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	11812 SAN VICENTE BLVD 200, 200, LOS ANGELES, CA 90049-6622

Mortgage

Document Number	0000326577
Date	Sep 28, 2022
Instrument	2022-0326577

Lender

Name	AMERICAN BUSINESS BANK
Type	Bank
Address	LOS ANGELES, CA 90071

Agreement

Amount	Amount Recorded

July 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Jul 10, 2020
Property Address	3801 E GUASTI RD, ONTARIO, CA 91761-1575
Document Number	0000230244
Instrument Date	Jun 16, 2020
Instrument	230244
Transaction Type	Transfer
Record Updated	Jul 24, 2020
Title Company	LAWYERS TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	11812 SAN VICENTE BLVD #200 LOS ANGELES CA 900496622, 200, LOS ANGELES, CA 90049-6622

September 2020: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Sep 21, 2020
Property Address	3801 E GUASTI RD, ONTARIO, CA 91761-1575
Document Number	0000353006
Instrument Date	Mar 7, 2019
Instrument	353006
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	COMMONWEALTH LAND TITLE INSURANCE, COMMONWEALTH LAND TITLE CO.

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company

September 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Sep 21, 2020
Property Address	3801 E GUASTI RD, ONTARIO, CA 91761-1575
Document Number	0000353005
Instrument Date	Oct 16, 2018
Instrument	353005
Transaction Type	Transfer
Record Updated	Oct 7, 2020
Title Company	COMMONWEALTH LAND TITLE INSURANCE, COMMONWEALTH LAND TITLE CO.

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company

Tax Assessment & Valuation

Source: San Bernardino County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	San Bernardino County
Municipality	Ontario City
Secondary School District	Chaffey Joint Union High School District (09 - 12)
Elementary School District	Cucamonga Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$3,379,642 (+2%) Land $3,139,872 Building $239,770
2025	$35,292.00 (+5.19%)	$3,313,375 (+4.04%) Land $3,078,306 Building $235,069
2023	$33,551.00 (+1.85%)	$3,184,713 Land $2,958,772 Building $225,941
2022	$32,940.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	4 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	Not rated no burnable land 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	ONTARIO MUNICIPAL UTILITIES COMPANY serves 185,010 people · EPA ID CA3610034
Water Source	Purchased surface water from several systems
Last State Inspection	Jul 2025
Lead	Under 1 ppb (2022–2024) 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 17 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ultimate Internet Access Fiber	8,000 / 8,000
AT&T Fixed Wireless	100 / 20

May also be available: GeoLinks, T-Mobile, Verizon.

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