7603 E Riverside Dr, Ontario, CA 91761 Property Records

San Bernardino County property record for 7603 E Riverside Dr, Ontario, CA 91761

Property Summary

Property Type	Single Family Home
Details	1 bd · 1 ba · 610 sqft · built 1922
Lot Size	0.85 acres (37,026 sqft)
Owner	2 Individual Names on File
Last Sale	$75,000 (Sep 2023)
Tax Bill	$13,530 (2025)
Deeds & Mortgages	Sep 2023 Sale & Mortgage
Flood Zone	Zone D (undetermined)
APN	`1052-111-03-0000`

Property Details

APN / Parcel Number

Primary APN	`1052-111-03-0000`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Total Rooms	3 Rooms
Stories	1 Story
Building Area	610 sqft Living Area
1st Floor Area	610 sqft
Family Room	Family Room

Exterior

Year Built	Built 1922
Effective Year Built	Effective 1937
Architectural Style	Conventional
Construction Type	Frame
Fire Resistance	Wood or Wood & Steel Frame
Roof Material	Composition Shingle
Lot Area	37,026 sqft (0.85 acres)
Garage Type	Detached
Garage Area	512 sqft
Parking Spaces	2 Parking Spaces
Porch	Patio/Porch
Porch Area	90 sqft
Patio Area	90 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	7603 E RIVERSIDE DR
City	ONTARIO
State	CA
Zip	91761-6703
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	RANCHO SANTA ANA DEL CHINO COM AT NW COR LOT 5 SEC 8 TP 2S R 7W TH SLY 330 FT TH ELY 125 FT TH NLY 330 FT TH WLY 125 FT TO BEG
Legal Range	7W
Legal Township	WP
Legal Section	8
Legal Subdivision	SANTA ANA DEL CHINO RHO
Legal Block	1
Legal Lot Number	5
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	ONTARIO
Census Block Group	1
Census Block	1009
Census Tract	1910

Owner

Source: San Bernardino County records · APN 1052-111-03-0000

Assessment roll updated July 14, 2026 · Last verified July 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 File
Mailing Address	7603 E RIVERSIDE DR, ONTARIO, CA 91761-6703
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Sep 22, 2023 · Amount on Record
Deed Sale	Sep 22, 2023 · Amount on Record
Deed Document Number	2023235147
Record Updated	Sep 20, 2026

September 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Sep 22, 2023
Property Address	7603 E RIVERSIDE DR, ONTARIO, CA 91761-6703
Document Number	0000235147
Map Reference	MB 6 PG 15
Instrument Date	Sep 19, 2023
Instrument	2023-0235147
Transaction Type	Transfer
Record Updated	Oct 05, 2023
Title Company	ORANGE COAST TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	1603 E RIVERSIDE DR, ONTARIO, CA 91761

Mortgage

Document Number	0000235148
Date	Sep 22, 2023
Instrument	2023-0235148

Lender

Name	LARRY RANDLE MAYNE
Type	Private Party
Address	156 ASHBY LN, LOS ALTOS, CA 94022

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

Source: San Bernardino County records · Assessment roll updated July 14, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value
2026		$1,248,480 (+2%) Land $967,572 Building $280,908
2025	$13,530.00 (+340.29%) Homeowner's exemption	$1,224,000 (+339.07%) Land $948,600 Building $275,400
2023	$3,073.00 (+0.59%)	$278,772 Land $187,635 Building $91,137
2022	$3,055.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, San Bernardino County (06071C), as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone D undetermined · not studied
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Low lower than 94% of the US · lower than 96% of California
Wildfire Likelihood	0.02% annual chance
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30

May also be available: AT&T, California Internet, T-Mobile USA.

Based on FCC filings for 438 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA3610034, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	ONTARIO MUNICIPAL UTILITIES COMPANY serves 185,010 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.