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627 E Ralston St, Ontario, CA 91761 Property Records

San Bernardino County property record for 627 E Ralston St, Ontario, CA 91761

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,039 sqft · built 1955
Lot Size0.14 acres (6,080 sqft)
Owner2 Individual Names on Record
Last Sale$650,000 (Jan 2025)
Tax Bill$4,866 (2025)
Deeds & MortgagesJun 2019 Sale
Mar 2019 Transfer
Flood ZoneZone X (minimal risk)
APN1049-502-19-0000

Property Details

APN / Parcel Number

Primary APN1049-502-19-0000

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories1 Story
Building Area2,039 sqft Living Area
1st Floor Area2,039 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1955
Effective Year BuiltEffective 1955
Architectural StyleConventional
Construction TypeFrame
Roof MaterialBuilt-Up Asphalt
Lot Area6,080 sqft (0.14 acres)
Lot Dimensions152 ft deep x 40 ft wide
Garage TypeDetached
Garage Area528 sqft
Parking Spaces2 Parking Spaces
PorchPatio/Porch
Porch Area24 sqft
Patio Area24 sqft

Utilities, Heating & Cooling

Cooling SystemEvaporative
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address627 E RALSTON ST
CityONTARIO
StateCA
Zip91761-3450
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 2441 LOT 18
Legal SubdivisionTRACT NO. 2441
Legal Tract2441
Legal Block3
Legal Lot Number18
JurisdictionSAN BERNARDINO CA
Township / Civil DivisionONTARIO
Census Block Group3
Census Block3010
Census Tract1813

Owner

Source: San Bernardino County records, as of October 15, 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 Address6060 OAK ST, A, HUNTINGTON PARK, CA 90255-7002
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Jun 6, 2019Grant Deed, Transfer
FIRST AMERICAN TITLE
Mar 26, 2019Quit Claim Deed, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJan 23, 2025 · Amount on Record
Deed SaleJan 23, 2025 · Amount on Record
Prior SaleJun 6, 2019 · Amount on Record
Deed Document Number202515532
Prior Transfer DateSep 12, 2011
Prior Transfer Doc0000380606
Record UpdatedOct 29, 2026

June 2019: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN BERNARDINO CA
Recording DateJun 6, 2019
Property Address627 E RALSTON ST, ONTARIO, CA 91761-3450
Document Number0000185062
Instrument DateMay 22, 2019
Instrument185062
Transaction TypeTransfer
Record UpdatedJun 14, 2019
Title CompanyFIRST AMERICAN TITLE

Transaction

AmountAmount Recorded
Tax$385.00
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3717 LINDEN AVE LONG BEACH CA 908073412, LONG BEACH, CA 90807-3412

March 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN BERNARDINO CA
Recording DateMar 26, 2019
Property Address627 E RALSTON ST, ONTARIO, CA 91761-3450
Document Number0000092047
Instrument DateMar 22, 2019
Instrument92047
Transaction TypeTransfer
Record UpdatedApr 2, 2019
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address627 E RALSTON ST ONTARIO CA 917613450, ONTARIO, CA 91761-3450

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$663,000 (+49.87%) Land $234,600 Building $428,400
2025$4,866.00 (+5.28%)$442,390 (+4.04%) Land $117,130 Building $325,260
2023$4,622.00 (+1.34%)$425,210 Land $112,581 Building $312,629
2022$4,561.00

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 RiskLow
lower than 97% of the US · lower than 97.8% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureDirect
burnable vegetation

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 240 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
Verizon
Fixed Wireless		300 / 20
Starlink
Satellite		280 / 30
AT&T
Fixed Wireless		100 / 20
T-Mobile
Fixed Wireless		100 / 20

May also be available: GeoLinks.

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