415 E Ralston St, Ontario, CA 91761 Property Records

San Bernardino County property record for 415 E Ralston St, Ontario, CA 91761

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 1,041 sqft · built 1948
Lot Size0.142 acres (6,200 sqft)
Owner2 Individual Names on Record
Tax Bill$2,602 (2025)
Deeds & MortgagesDec 2019 Mortgage
Flood ZoneZone X (minimal risk)
APN1049-513-22-0000

Property Details

APN / Parcel Number

Primary APN1049-513-22-0000

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area1,041 sqft Living Area
1st Floor Area1,041 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1948
Effective Year BuiltEffective 1948
Architectural StyleConventional
Construction TypeFrame
Roof MaterialBuilt-Up Asphalt
Lot Area6,200 sqft (0.142 acres)
Lot Dimensions155 ft deep x 40 ft wide
Garage TypeDetached
Garage Area360 sqft
Parking Spaces1 Parking Space
PorchPatio/Porch
Porch Area49 sqft
Patio Area49 sqft

Utilities, Heating & Cooling

Cooling SystemNone
Heating SystemFloor/Wall Furnace
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address415 E RALSTON ST
CityONTARIO
StateCA
Zip91761-3334
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionHASTINGS AND HEYDENS SUB LOT 28 BLK 147
Legal SubdivisionHASTINGS & HEYDENS SUBDIVISION
Legal Block147
Legal Lot Number28
JurisdictionSAN BERNARDINO CA
Township / Civil DivisionONTARIO
Census Block Group3
Census Block3008
Census Tract1813

Owner

Source: San Bernardino County records, 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 Record2 Individual Names on Record
Mailing Address415 E RALSTON ST, ONTARIO, CA 91761-3334
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 1, 2004
Deed SaleApr 1, 2004
Prior SaleMar 20, 2002 · Amount on Record
Deed Document Number2004222301
Last Transfer DateOct 30, 2015
Transfer Doc0000549346
Record UpdatedSep 20, 2026

December 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN BERNARDINO CA
Property Address415 E RALSTON ST, ONTARIO, CA 91761-3334
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyWESTERN RESOURCES TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000451999
DateDec 6, 2019
Instrument2019-0451999
Lender
NameACTION ONE FINANCIAL CORP
TypeMortgage Company
AddressCOVINA, CA 91723
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term301 Months
DueJan 1, 2045

Tax Assessment & Valuation

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$247,440 (+2%) Land $86,602 Building $160,838
2025$2,602.00 (+5.39%) Homeowner's exemption$242,588 (+4.04%) Land $84,904 Building $157,684
2023$2,469.00 (+1.4%) Homeowner's exemption$233,168 Land $81,607 Building $151,561
2022$2,435.00

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

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

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

ProviderMax Down / Up (Mbps)
Frontier
Fiber
7,000 / 7,000
Spectrum
Cable
1,000 / 1,000
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20

May also be available: GeoLinks, Verizon.

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