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421 W I St, Ontario, CA 91762 Property Records

San Bernardino County property record for 421 W I St, Ontario, CA 91762

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 869 sqft · built 1938
Lot Size0.169 acres (7,350 sqft)
OwnerCompany Name on File
Last Sale$129,500 (Jun 2011)
Tax Bill$1,833 (2025)
Deeds & MortgagesJan 2019 Transfer
Jan 2019 Transfer
Flood ZoneZone X (minimal risk)
APN1048-261-02-0000

Property Details

APN / Parcel Number

Primary APN1048-261-02-0000

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area869 sqft Living Area
Gross Area1,134 sqft
1st Floor Area869 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1938
Effective Year BuiltEffective 1942
Architectural StyleConventional
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area7,350 sqft (0.169 acres)
Lot Dimensions147 ft deep x 50 ft wide
Garage TypeAttached
Garage Area265 sqft
Parking Spaces1 Parking Space
PorchPatio/Porch
Porch Area236 sqft
Patio Area15 sqft

Utilities, Heating & Cooling

Cooling SystemNone
Heating SystemFloor/Wall Furnace
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address421 W I ST
CityONTARIO
StateCA
Zip91762-2307
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTOWN OF ONTAR1O E 50 FT W 164.49 FT N 147 FT LOT 2 BLK 884 13 AC
Legal SubdivisionTOWN OF ONTARIO
Legal Block884
Legal Lot Number2
JurisdictionSAN BERNARDINO CA
Township / Civil DivisionONTARIO
Census Block Group3
Census Block3001
Census Tract1103

Owner

421 W I St is owned by a company that acquired it in December 2018 and is owner-occupied.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of RecordCompany Name on File
Mailing Address421 W I ST, ONTARIO, CA 91762-2307
OccupancyOwner Occupied
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

DateDocument
Jan 3, 2019Quit Claim Deed, Transfer
NOT AVAILABLE
Jan 3, 2019Affidavit of Death, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJun 10, 2011 · Amount on File
Deed SaleJun 10, 2011 · Amount on File
Prior SaleMar 15, 2004 · Amount on File
Deed Document Number2011236048
Last Transfer DateDec 22, 2018
Transfer Doc0000003125
Record UpdatedOct 29, 2026

January 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN BERNARDINO CA
Recording DateJan 3, 2019
Property Address421 W I ST, ONTARIO, CA 91762-2307
Document Number0000003125
Instrument DateDec 22, 2018
Instrument3125
Transaction TypeTransfer
Record UpdatedJan 10, 2019
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address421 W I ST ONTARIO CA 917622307, ONTARIO, CA 91762-2307

January 2019: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionSAN BERNARDINO CA
Recording DateJan 3, 2019
Property Address421 W I ST, ONTARIO, CA 91762-2307
Document Number0000003124
Instrument DateDec 22, 2018
Instrument3124
Transaction TypeTransfer
Record UpdatedJan 13, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address421 W I ST ONTARIO CA 917622307, ONTARIO, CA 91762-2307

Tax Assessment & Valuation

The 2025 property tax bill for 421 W I St was $1,833.

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 DistrictOntario-Montclair School District (KG - 08)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$168,641 (+2%) Land $59,023 Building $109,618
2025$1,833.00$165,335 Land $57,866 Building $107,469
2023$1,741.00 (+1.34%)$158,915 Land $55,619 Building $103,296
2022$1,718.00

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

Flood

FEMA maps place 421 W I St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

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

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

Wildfire

The area around 421 W I St has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot 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 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 750 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Frontier
Fiber		7,000 / 7,000
Spectrum
Cable · Fiber in parts of the area		1,000 / 1,000
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20

May also be available: AT&T, GeoLinks.

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