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431 E 4th St, Ontario, CA 91764 Property Records

San Bernardino County property record for 431 E 4th St, Ontario, CA 91764 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms2 Baths
Year BuiltBuilt 1942
Square Footage1,620 sqft Living Area
Lot Size7,952 sqft (0.183 acres)
OccupancyOwner Occupied
Last Sale$640,000 (2023)
Tax Bill$2,894.00 (2025)

Property Details

APN / Parcel Number

Primary APN1047-543-26-0000

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Building Area1,620 sqft Living Area
Gross Area2,020 sqft Gross Area
1st Floor1,620 sqft 1st Floor
Family RoomFamily Room
Stories1 Stories
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1942
Effective Year BuiltEffective 1942
Architectural StyleConventional Style
Construction TypeFrame Construction
Roof MaterialComposition Shingle Roof
Lot Area7,952 sqft (0.183 acres)
Depth X Width132 ft x 60 ft Depth x Width
Parking Spaces2 Parking Spaces
Garage TypeAttached Garage
Garage Area400 sqft Garage
Patio Area258 sqft Patio
Porch Area258 sqft Porch

Utilities and HVAC

Cooling SystemEvaporative Cooling
Heating SystemFloor/Wall Furnace Heating
SewageMunicipal Sewage
Water SourceCommercial Water Source

Location & Zoning

Street Address431 E 4TH ST
CityONTARIO
StateCA
Zip91764-2711
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionONTAR1O COLONY LANDS W 60 FT E 93 FT S 132.54 FT LOT 800
Legal SubdivisionMAP ONTARIO
Legal Block3
Legal Lot Number800
JurisdictionSAN BERNARDINO CA
Minor Civil DivisionONTARIO
Census Blockgroup3
Census Block3005
Census Tract1200

Owner

Source: San Bernardino County records · APN 1047-543-26-0000

Assessment roll updated July 14, 2026 · Last verified July 2026

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

Owner of Record2 Individual Names on File
Mailing Address431 E 4TH ST, ONTARIO, CA 91764-2711
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Nov 07, 2023Intrafamily Transfer, Transfer
ACCOMODATION, ACCOMMODATION
Oct 19, 2023Intrafamily Transfer, Transfer
FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE IE
Oct 19, 2023Grant Deed, Transfer · Conventional Mortgage
OPTIMUM FIRST INC
Aug 16, 2017Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleOct 19, 2023 · Amount on Record
Deed SaleOct 19, 2023 · Amount on Record
Prior SaleMar 01, 2000 · Amount on Record
Deed Doc Number2023258784
Last Transfer DateOct 30, 2023
Transfer Doc0000276748
Record RefreshedSep 20, 2026

November 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN BERNARDINO CA
Recording DateNov 07, 2023
Property Address431 E 4TH ST, ONTARIO, CA 91764-2711
Document Number0000276748
Map ReferenceMB 11 PG 6
Instrument DateOct 30, 2023
Instrument2023-0276748
Transaction TypeTransfer
Record UpdatedNov 17, 2023
Title CompanyACCOMODATION, ACCOMMODATION

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address431 E 4TH ST, ONTARIO, CA 91764-2711

October 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN BERNARDINO CA
Recording DateOct 19, 2023
Property Address431 E 4TH ST, ONTARIO, CA 91764-2711
Document Number0000258785
Map ReferenceMB II PG 6
Instrument DateSep 21, 2023
Instrument2023-0258785
Transaction TypeTransfer
Record UpdatedOct 31, 2023
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE IE

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address431 E 4TH ST, ONTARIO, CA 91764-2711

October 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN BERNARDINO CA
Recording DateOct 19, 2023
Property Address431 E 4TH ST, ONTARIO, CA 91764-2711
Document Number0000258784
Map ReferenceMB II PG 6
Instrument DateSep 21, 2023
Instrument2023-0258784
Transaction TypeTransfer
Record UpdatedOct 31, 2023
Title CompanyFIDELITY NATIONAL TITLE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded Values by County
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address431 E 4TH ST, ONTARIO, CA 91764-2711

Mortgage

Document Number0000258786
DateOct 19, 2023
Instrument2023-0258786
Lender
NameOPTIMUM FIRST INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 01, 2053

August 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN BERNARDINO CA
Recording DateAug 16, 2017
Property Address431 E 4TH ST, ONTARIO, CA 91764-2711
Document Number0000334639
Instrument DateAug 14, 2017
Instrument334639
Transaction TypeTransfer
Record UpdatedAug 25, 2017
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address431 E 4TH ST ONTARIO CA 917642711, ONTARIO, CA 91764-2711

Tax Assessment & Valuation

Source: San Bernardino County records · Assessment roll updated July 14, 2026 · Last verified July 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

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

YearTax BillAssessed Value
2026$256,600 (-2.17%) Land $89,800 Building $166,800
2025$2,894.00 (+26.21%) Homeowner's exemption$262,300 (+20.93%) Land $91,800 Building $170,500
2023$2,293.00 (-15.88%) Homeowner's exemption$216,900 Land $75,900 Building $141,000
2022$2,726.00

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