1231 E Riverside Dr, Ontario, CA 91761 Property Records

San Bernardino County property record for 1231 E Riverside Dr, Ontario, CA 91761

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,730 sqft · built 1981
Lot Size	0.228 acres (9,922 sqft)
Owner	Individual Name on File
Last Sale	$390,000 (Dec 2015)
Tax Bill	$5,589 (2025)
Deeds & Mortgages	Jul 2018 Mortgage
Flood Zone	Zone D (undetermined)
APN	`0216-471-74-0000`

Property Details

APN / Parcel Number

Primary APN	`0216-471-74-0000`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,730 sqft Living Area
Gross Area	2,466 sqft
1st Floor Area	970 sqft
2nd Floor Area	760 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1981
Effective Year Built	Effective 1981
Architectural Style	Modern
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	9,922 sqft (0.228 acres)
Lot Dimensions	121 ft deep x 82 ft wide
Garage Type	Attached
Garage Area	736 sqft
Parking Spaces	3 Parking Spaces
Porch	Patio/Porch
Porch Area	48 sqft
Patio Area	48 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	1231 E RIVERSIDE DR
City	ONTARIO
State	CA
Zip	91761-7051
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 10659 LOT 78
Legal Tract	10659
Legal Block	1
Legal Lot Number	78
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	ONTARIO
Census Block Group	1
Census Block	1006
Census Tract	1806

Owner

Source: San Bernardino County assessment roll, 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	Individual Name on File
Mailing Address	1231 E RIVERSIDE DR, ONTARIO, CA 91761-7051
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Dec 4, 2015 · Amount on Record
Deed Sale	Dec 4, 2015 · Amount on Record
Prior Sale	Oct 6, 2005 · Amount on Record
Deed Document Number	2015531544
Prior Transfer Date	Dec 1, 2015
Prior Transfer Doc	0000531543
Record Updated	Sep 20, 2026

July 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Jul 24, 2018
Property Address	1231 E RIVERSIDE DR, ONTARIO, CA 91761-7051
Document Number	0000268550
Map Reference	MB 151 PG 91-94
Instrument Date	Jul 16, 2018
Instrument	2018-0268550
Transaction Type	Transfer
Record Updated	Aug 31, 2021
Title Company	NORTH AMERICAN TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1231 E RIVERSIDE DR, ONTARIO, CA 91761-7051

Mortgage

Document Number	0000268551
Date	Jul 24, 2018
Instrument	2018-0268551

Lender

Name	UNITED AMERICAN MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2048

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
Unified School District	Chino Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$507,399 (+2%) Land $177,420 Building $329,979
2025	$5,589.00 (+5.61%)	$497,450 (+4.04%) Land $173,941 Building $323,509
2023	$5,292.00 (+0.59%)	$478,133 Land $167,186 Building $310,947
2022	$5,261.00

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 D undetermined · not studied
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	Low lower than 99.8% of the US · lower than 99.8% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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 617 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 USA Fixed Wireless	100 / 20

May also be available: California Internet, Inyo Networks, Verizon.

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