2501 E Guasti Rd, Ontario, CA 91761 Property Records

San Bernardino County property record for 2501 E Guasti Rd, Ontario, CA 91761

Property Summary

Property Type	General Industrial
Details	233,648 sqft · built 1979
Lot Size	29.4 acres (1,281,099 sqft)
Owner	2 Company Names on Record
Tax Bill	$299,209 (2025)
Deeds & Mortgages	Mar 2026 Transfer Oct 2021 Transfer
Flood Zone	Zone X (moderate risk)
APN	`0110-322-31-0000`

Property Details

APN / Parcel Number

Primary APN	`0110-322-31-0000`

Interior

Stories	2 Stories
Building Area	233,648 sqft Gross Area
Upper Floors Area	3,072 sqft

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1979
Construction Type	Masonry / Concrete Block
Fire Resistance	Masonry Walls, Wood Interior
Lot Area	1,281,099 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	2501 E GUASTI RD
City	ONTARIO
State	CA
Zip	91761-7657
Property Category	Industrial
Property Type	Industrial > General Industrial
Legal Description	PARCEL MAP 4088 PARCELS 1, 2, 3 AND 4 EX THAT PTN SD PARCEL 1 COM AT INTERSECTION NLY LI GUASTI RD AND WLY LI ARCHIBALD AVE TH N 89 DEG 33 MIN 03 SECONDS W 2214.35 FT ALG SD NLY LI TH NLY ALG CURVE CONCAVE TO NE WITH RADIUS OF 5897.50 FT AND CENTRAL
Legal Subdivision	TRACT NO 2244
Legal Block	2
Legal Lot Number	L
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	ONTARIO
Census Block Group	2
Census Block	2009
Census Tract	1600

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	2 Company Names on Record
Mailing Address	16171 HILLSMONT LN, RIVERSIDE, CA 92503-8401
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Mar 12, 2026	Intrafamily Transfer, Transfer
Oct 15, 2021	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Mar 11, 2026
Transfer Doc	0000066525
Record Updated	Sep 20, 2026

March 2026: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN BERNARDINO CA
Recording Date	Mar 12, 2026
Property Address	2501 E GUASTI RD, ONTARIO, CA 91761-7657
Document Number	0000066525
Map Reference	MB 35 PG 50-56
Instrument Date	Mar 11, 2026
Instrument	2026-0066525
Transaction Type	Transfer
Record Updated	Apr 7, 2026

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
Address	16171 HILLSMONT LN, RIVERSIDE, CA 92503-8401

October 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Oct 15, 2021
Property Address	2501 E GUASTI RD, ONTARIO, CA 91761-7657
Document Number	0000468677
Map Reference	MB 35 PG 50-56
Instrument Date	Oct 8, 2021
Instrument	2021-0468677
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	23 CORPORATE PLAZA DR STE 150, 150, NEWPORT BEACH, CA 92660-7908
Investor	Possibly a Property Investor

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		$28,823,232 (+2%) Land $1,505,488 Building $27,317,744
2025	$299,209.00 (+5.19%)	$28,258,071 (+4.04%) Land $1,475,969 Building $26,782,102
2023	$284,451.00 (+1.85%)	$27,160,776 Land $1,418,655 Building $25,742,121
2022	$279,274.00

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

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Low lower than 97% of the US · lower than 97.8% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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 7 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
GeoLinks Fixed Wireless	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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