4017 E Guasti Rd, Ontario, CA 91761 Property Records

San Bernardino County property record for 4017 E Guasti Rd, Ontario, CA 91761

Property Summary

Property Type	Warehouse, Storage
Details	7,810 sqft · built 1980
Lot Size	4.53 acres (197,762 sqft)
Owner	Company Name on File
Tax Bill	$23,084 (2025)
Flood Zone	Zone X (minimal risk)
APN	`0210-212-46-0000`

Property Details

APN / Parcel Number

Primary APN	`0210-212-46-0000`

Interior

Stories	1 Story
Building Area	7,810 sqft Gross Area

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1980
Construction Type	Steel Frame
Fire Resistance	Special
Lot Area	197,762 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	4017 E GUASTI RD
City	ONTARIO
State	CA
Zip	91761-1521
Property Category	Industrial
Property Type	Industrial > Warehouse, Storage
Legal Description	PAR MAP 4603 PTN PAR 2 BEG AT NE COR PAR 1 PAR MAP 4603 TH S 88 DEG 02 MIN 07 SECONDS W ALG NLY LI SD PAR 1 447.91 FT TO NWLY COR SD PAR 1 TH N 0 DEG 23 MIN 25 SECONDS W PARALLEL TO ELY LI PAR MAP 4603 447.03 FT TH N 89 DEG 29 MIN 50 SECONDS E 444.74
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 assessment roll, 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 File
Mailing Address	2675 MORGANTOWN RD, READING, PA 19607-9676
Owner Type	Company
Vesting	Trust, Corporate Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Updated	Sep 20, 2026

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		$2,207,529 (+2%) Land $1,204,550 Building $1,002,979
2025	$23,084.00 (+5.19%)	$2,164,244 (+4.04%) Land $1,180,931 Building $983,313
2023	$21,945.00 (+1.86%)	$2,080,203 Land $1,135,074 Building $945,129
2022	$21,544.00

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 minimal risk
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

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

Provider	Max Down / Up (Mbps)
Ultimate Internet Access Fiber	8,000 / 8,000

May also be available: AT&T, California Internet, Inyo Networks, Spectrum, T-Mobile USA, Verizon.