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421 W Cornell Dr, Rialto, CA 92376 Property Records

San Bernardino County property record for 421 W Cornell Dr, Rialto, CA 92376

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,284 sqft · built 1955
Lot Size0.209 acres (9,100 sqft)
OwnerIndividual Name on File
Last Sale$305,000 (Aug 2016)
Tax Bill$4,894 (2025)
Deeds & MortgagesOct 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN0127-475-08-0000

Property Details

APN / Parcel Number

Primary APN0127-475-08-0000

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms5 Rooms
Stories1 Story
Building Area1,284 sqft Living Area
Gross Area1,644 sqft
1st Floor Area1,284 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1955
Effective Year BuiltEffective 1955
Architectural StyleModern
Construction TypeFrame
Roof MaterialComposition Shingle
Lot Area9,100 sqft (0.209 acres)
View / LotAverage
Garage TypeAttached
Garage Area360 sqft
Parking Spaces1 Parking Space
PorchPatio/Porch
Porch Area28 sqft
Patio Area28 sqft

Utilities, Heating & Cooling

Cooling SystemEvaporative
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address421 W CORNELL DR
CityRIALTO
StateCA
Zip92376-4905
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 4458 LOT 31
Legal SubdivisionTRACT NO 4458
Legal Tract4458
Legal Block2
Legal Lot Number31
JurisdictionSAN BERNARDINO CA
Township / Civil DivisionSAN BERNARDINO
Census Block Group2
Census Block2009
Census Tract3509

Owner

421 W Cornell Dr is owned and occupied by an individual who acquired it in October 2020.

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

Owner of RecordIndividual Name on File
Mailing Address421 W CORNELL DR, RIALTO, CA 92376-4905
OccupancyOwner Occupied
Owner TypeIndividual
VestingSole Owner

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 SaleAug 18, 2016 · Amount on File
Deed SaleAug 18, 2016 · Amount on File
Prior SaleMay 11, 2012 · Amount on File
Deed Document Number2016334259
Last Transfer DateOct 8, 2020
Transfer Doc0000396656
Record UpdatedSep 20, 2026

October 2020: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN BERNARDINO CA
Recording DateOct 15, 2020
Property Address421 W CORNELL DR, RIALTO, CA 92376-4905
Document Number0000396656
Map ReferenceMB 56 PG 40
Instrument DateOct 8, 2020
Instrument2020-0396656
Transaction TypeTransfer
Record UpdatedJul 22, 2022
Title CompanyPACIFIC COAST TITLE

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address421 W CORNELL DR, RIALTO, CA 92376-4905

Mortgage

Document Number0000396657
DateOct 15, 2020
Instrument2020-0396657
Lender
NameO1NE MORTAGE INC
TypeNon-Lending Institution
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term241 Months
DueNov 1, 2040

Tax Assessment & Valuation

The 2025 property tax bill for 421 W Cornell Dr was $4,894 with a homeowner's exemption.

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

Property Jurisdictions

TypeName
StateCalifornia
CountySan Bernardino County
MunicipalityRialto City
Unified School DistrictRialto Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$373,744 (+2%) Land $114,502 Building $259,242
2025$4,894.00 Homeowner's exemption$366,416 Land $112,257 Building $254,159
2023$4,998.00 (+7.97%) Homeowner's exemption$352,187 Land $107,898 Building $244,289
2022$4,629.00

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

Flood

FEMA maps place 421 W Cornell Dr 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 Cornell Dr 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 SystemCITY OF RIALTO
serves 59,264 people · EPA ID CA3610038
Water SourcePurchased surface water from several systems
Last State InspectionAug 2024
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 635 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL in parts of the area		5,000 / 5,000
Spectrum
Cable · Fiber in parts of the area		1,000 / 1,000
Starlink
Satellite		280 / 30
T-Mobile
Fixed Wireless		100 / 20

May also be available: GeoLinks, Verizon.

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