6598 Mount Diablo Ave, Riverside, CA 92506 Property Records

Riverside County property record for 6598 Mount Diablo Ave, Riverside, CA 92506

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 2,231 sqft · built 1952
Lot Size	0.21 acres (9,148 sqft)
Owner	2 Individual Names on File
Tax Bill	$1,238 (2025)
Deeds & Mortgages	Jan 2022 Line of Credit Jan 2022 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`225-323-018`

Property Details

APN / Parcel Number

Primary APN	`225-323-018`
Alternative APN	`042400246`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	2,231 sqft Living Area
1st Floor Area	2,231 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1952
Construction Type	Wood
Roof Material	Tile
Lot Area	9,148 sqft (0.21 acres)
Garage Type	Detached
Garage Area	360 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Connected

Location & Zoning

Old Parcel Number	042400246
Street Address	6598 MOUNT DIABLO AVE
City	RIVERSIDE
State	CA
Zip	92506-3913
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1065
Legal Description	LOT 238 MB 025/004 SUN GOLD TERRACE UNIT 4
Legal Subdivision	SUN GOLD TERRACE UNIT 4
Legal Lot Number	238
Jurisdiction	RIVERSIDE CA
Township / Civil Division	RIVERSIDE
Census Block Group	2
Census Block	2000
Census Tract	31100

Owner

6598 Mount Diablo Ave is owned and occupied by two individuals.

Source: Riverside County records, as of July 29, 2026

Owner of Record	2 Individual Names on File
Mailing Address	6598 MOUNT DIABLO AVE, RIVERSIDE, CA 92506-3913
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Borrower in Default

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jan 5, 2022	Deed of Trust, Mortgage · Line of Credit CITY NATIONAL BANK
Jan 5, 2022	Deed of Trust, Mortgage · Conventional Mortgage FIRST FIDELITY BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Record Updated	Sep 20, 2026

January 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	RIVERSIDE CA
Property Address	6598 MOUNT DIABLO AVE, RIVERSIDE, CA 92506-3913
Transaction Type	Mortgage
Record Updated	Jan 18, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6598 MOUNT DIABLO AVE, RIVERSIDE, CA 92506-3913

Mortgage

Document Number	0000007328
Date	Jan 5, 2022
Instrument	2022-0007328

Lender

Name	CITY NATIONAL BANK
Type	Bank
Address	LOS ANGELES, CA 90071

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	359 Months
Due	Dec 29, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

January 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	RIVERSIDE CA
Property Address	6598 MOUNT DIABLO AVE, RIVERSIDE, CA 92506-3913
Transaction Type	Mortgage
Record Updated	Jan 18, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6598 MOUNT DIABLO AVE, RIVERSIDE, CA 92506-3913

Mortgage

Document Number	0000007327
Date	Jan 5, 2022
Instrument	2022-0007327

Lender

Name	FIRST FIDELITY BANK NA
Type	Bank
Address	LOS ANGELES, CA 90071

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2052

Tax Assessment & Valuation

The 2025 property tax bill for 6598 Mount Diablo Ave was $1,238 with a homeowner's exemption.

Source: Riverside County assessment roll, as of July 29, 2026

Property Jurisdictions

Type	Name
State	California
County	Riverside County
Municipality	Riverside City
Unified School District	Riverside Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$114,832 (+2%) Land $19,187 Building $95,645
2025	$1,238.00 Homeowner's exemption	$112,581 Land $18,811 Building $93,770
2023	$1,191.00 (+1.97%) Homeowner's exemption	$108,212 Land $18,082 Building $90,130
2022	$1,168.00
2021			$758,880

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 6598 Mount Diablo Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 14, 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

The area around 6598 Mount Diablo Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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	CITY OF RIVERSIDE serves 302,776 people · EPA ID CA3310031
Water Source	Groundwater influenced by surface water
Lead	1 ppb (2023–2025) 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 440 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20

May also be available: GeoLinks, Verizon.

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