312 E Ralston St, Ontario, CA 91761 Property Records

San Bernardino County property record for 312 E Ralston St, Ontario, CA 91761

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,112 sqft · built 1963
Lot Size	0.142 acres (6,200 sqft)
Owner	2 Individual Names on Record
Last Sale	$260,000 (Jul 2014)
Tax Bill	$3,367 (2025)
Deeds & Mortgages	May 2022 Mortgage Apr 2019 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1049-514-03-0000`

Property Details

APN / Parcel Number

Primary APN	`1049-514-03-0000`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,112 sqft Living Area
1st Floor Area	1,112 sqft
Family Room	Family Room

Exterior

Year Built	Built 1963
Effective Year Built	Effective 1963
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Built-Up Asphalt
Lot Area	6,200 sqft (0.142 acres)
Lot Dimensions	155 ft deep x 40 ft wide

Utilities, Heating & Cooling

Cooling System	None
Heating System	Floor/Wall Furnace
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	312 E RALSTON ST
City	ONTARIO
State	CA
Zip	91761-3331
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	HASTINGS AND HEYDENS SUB LOT 14 BLK 152
Legal Subdivision	HASTNGS AND HEYDENS
Legal Block	152
Legal Lot Number	14
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	ONTARIO
Census Block Group	2
Census Block	2005
Census Tract	1813

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 Record	2 Individual Names on Record
Mailing Address	312 E RALSTON ST, ONTARIO, CA 91761-3331
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
May 31, 2022	Deed of Trust, Mortgage · FHA Mortgage NATIONSTAR MORTGAGE LLC
Apr 18, 2019	Deed of Trust, Mortgage · Line of Credit FIGURE LENDING LLC
Apr 7, 2020	Deed of Trust, Mortgage · FHA Mortgage MR COOPER

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 29, 2014 · Amount on Record
Deed Sale	Jul 29, 2014 · Amount on Record
Deed Document Number	2014273097
Prior Transfer Date	Jul 25, 2014
Prior Transfer Doc	0000273098
Record Updated	Sep 20, 2026

May 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	312 E RALSTON ST, ONTARIO, CA 91761-3331
Transaction Type	Mortgage
Record Updated	Jun 14, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	312E E RALSTON ST, ONTARIO, CA 91761-3331

Mortgage

Document Number	0000198550
Date	May 31, 2022
Instrument	2022-0198550

Lender

Name	NATIONSTAR MORTGAGE LLC
Type	Mortgage Company
Address	COPPELL, TX 75019

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	276 Months
Due	May 1, 2045

April 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	312 E RALSTON ST, ONTARIO, CA 91761-3331
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000120825
Date	Apr 18, 2019
Instrument	2019-0120825

Lender

Name	FIGURE LENDING LLC
Type	Mortgage Company
Address	SAN FRANCISCO, CA 94108

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	312 E RALSTON ST, ONTARIO, CA 91761-3331
Document Number	0000139900
Instrument Date	Apr 7, 2020
Transaction Type	Mortgage
Record Updated	May 11, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	312 E RALSTON ST ONTARIO CA 917613331, ONTARIO, CA 91761-3331

Mortgage

Document Number	0000139900
Date	Apr 22, 2020
Instrument	139900

Lender

Name	MR COOPER
Address	COPPELL, TX 75019

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	300 Months
Due	Apr 21, 2045

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	San Bernardino County
Municipality	Ontario City
Secondary School District	Chaffey Joint Union High School District (09 - 12)
Elementary School District	Ontario-Montclair School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$318,731 (+2%) Land $111,555 Building $207,176
2025	$3,367.00 (+5.38%) Homeowner's exemption	$312,482 (+4.04%) Land $109,368 Building $203,114
2023	$3,195.00 (+1.36%) Homeowner's exemption	$300,348 Land $105,122 Building $195,226
2022	$3,152.00

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 Zone	Zone X minimal risk
Flood Insurance Requirement	Not 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 Risk	Not 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 System	ONTARIO MUNICIPAL UTILITIES COMPANY serves 185,010 people · EPA ID CA3610034
Water Source	Purchased surface water from several systems
Last State Inspection	Jul 2025
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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

Provider	Max 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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