4711 E Guasti Rd, Ontario, CA 91761 Property Records

San Bernardino County property record for 4711 E Guasti Rd, Ontario, CA 91761

Property Summary

Property TypeWarehouse, Storage
Details2.5 ba · 36,264 sqft · built 1988
Lot Size2.1 acres (91,476 sqft)
OwnerCompany Name on File
Last Sale$1,233,000 (Dec 1994)
Tax Bill$21,903 (2025)
Deeds & MortgagesMar 2026 Mortgage
Flood ZoneZone X (minimal risk)
APN0238-042-23-0000

Property Details

APN / Parcel Number

Primary APN0238-042-23-0000

Interior

Full Baths2.5 Baths
Half Baths5 Half Baths
Stories1 Story
Building Area36,264 sqft Gross Area

Exterior

Year BuiltBuilt 1988
Effective Year BuiltEffective 1988
Exterior MaterialConcrete
Construction TypeMasonry / Concrete Block
Fire ResistanceMasonry Walls, Wood Interior
Roof TypeFlat
Lot Area91,476 sqft

Utilities, Heating & Cooling

SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address4711 E GUASTI RD
CityONTARIO
StateCA
Zip91761-8106
Property CategoryIndustrial
Property TypeIndustrial > Warehouse, Storage
Legal DescriptionPARCEL MAP 9500 PARCEL 6
Legal SubdivisionPARCEL MAP 9500
Legal Block1
JurisdictionSAN BERNARDINO CA
Township / Civil DivisionSAN BERNARDINO
Census Block Group1
Census Block1015
Census Tract12700

Owner

4711 E Guasti Rd, an industrial property, is owned by a company that acquired it in February 2008.

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

Owner of RecordCompany Name on File
Mailing Address5030 CALYPSO CT, RANCHO CUCAMONGA, CA 91737-2471
Owner TypeCompany
VestingBorrower in Default

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

Assessor's Deed Record

Deed NamesName on Deed
Last SaleDec 7, 1994 · Amount on File
Deed SaleDec 7, 1994 · Amount on File
Prior SaleFeb 18, 1994 · Amount on File
Deed Document Number1994485651
Last Transfer DateFeb 29, 2008
Transfer Doc0000155724
Record UpdatedSep 20, 2026

March 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN BERNARDINO CA
Property Address4711 E GUASTI RD, ONTARIO, CA 91761-8106
Transaction TypeMortgage
Record UpdatedApr 10, 2026
Title CompanyTOWER TITLE & CLOSING LLC

Transferred To (Grantee/Buyer)

NameVerified Name
Address22 W ATLANTIC AVE 310, 310, DELRAY BEACH, FL 33444-3629
InvestorPossibly a Property Investor

Mortgage

Document Number0000072023
DateMar 19, 2026
Instrument2026-0072023
Lender
NameDEUTSCHE BANK TRUST CO AMERICAS
TypeBank
AddressSANTA ANA, CA 92705
Agreement
TypeCommercial Mortgage
AmountAmount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 4711 E Guasti Rd was $21,903.

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

Property Jurisdictions

TypeName
StateCalifornia
CountySan Bernardino County
MunicipalityOntario City
Secondary School DistrictChaffey Joint Union High School District (09 - 12)
Elementary School DistrictCucamonga Elementary School District (KG - 08)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$2,112,469 (+2%) Land $394,054 Building $1,718,415
2025$21,903.00$2,071,048 Land $386,327 Building $1,684,721
2023$20,823.00 (+1.85%)$1,990,626 Land $371,325 Building $1,619,301
2022$20,444.00

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

Flood

FEMA maps place 4711 E Guasti Rd in Zone X, an area of minimal flood risk.

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies4 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

Wildfire risk around 4711 E Guasti Rd is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.2% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 SystemONTARIO MUNICIPAL UTILITIES COMPANY
serves 185,010 people · EPA ID CA3610034
Water SourcePurchased surface water from several systems
Last State InspectionJul 2025
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 10 locations within half a mile, as of December 31, 2025

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

May also be available: GeoLinks, T-Mobile.

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