6660 Mount Diablo Ave, Riverside, CA 92506 Property Records

Riverside County property record for 6660 Mount Diablo Ave, Riverside, CA 92506

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 1,186 sqft · built 1952
Lot Size	0.2 acres (8,712 sqft)
Owner	Individual Name on Record
Last Sale	$108,000 (Jul 1994)
Tax Bill	$2,013 (2025)
Deeds & Mortgages	Sep 2022 Transfer
Flood Zone	Zone X (minimal risk)
APN	`225-323-024`

Property Details

APN / Parcel Number

Primary APN	`225-323-024`
Alternative APN	`042400240`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,186 sqft Living Area
Gross Area	1,367 sqft
1st Floor Area	1,186 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1952
Architectural Style	Traditional
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Gravel
Lot Area	8,712 sqft (0.2 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	042400240
Street Address	6660 MOUNT DIABLO AVE
City	RIVERSIDE
State	CA
Zip	92506-3925
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	LOT 232 MB 025/004 SUN GOLD TERRACE UNIT 4
Legal Subdivision	SUN GOLD TERRACE UNIT 4
Legal Lot Number	232
Jurisdiction	RIVERSIDE CA
Township / Civil Division	RIVERSIDE
Census Block Group	2
Census Block	2000
Census Tract	31100

Owner

Source: Riverside County records, as of July 29, 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 Record
Mailing Address	6660 MOUNT DIABLO AVE, RIVERSIDE, CA 92506-3925
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 28, 1994 · Amount on Record
Deed Sale	Jul 28, 1994 · Amount on Record
Deed Document Number	1994300547
Last Transfer Date	Sep 13, 2022
Transfer Doc	0000400932
Record Updated	Sep 20, 2026

September 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	RIVERSIDE CA
Recording Date	Sep 20, 2022
Property Address	6660 MOUNT DIABLO AVE, RIVERSIDE, CA 92506-3913
Document Number	0000400932
Map Reference	MB 25 PG 4
Instrument Date	Sep 20, 2022
Instrument	2022-0400932
Transaction Type	Transfer
Record Updated	Oct 3, 2022

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	15638 GREVILLEA AVE, LAWNDALE, CA 90260-2024

Tax Assessment & Valuation

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		$186,109 (+2%) Land $54,819 Building $131,290
2025	$2,013.00 (+3.07%) Homeowner's exemption	$182,462 (-66.52%) Land $53,745 Building $128,717
2023	$1,953.00 (+2.79%)	$545,000 Land $136,000 Building $409,000
2022	$1,900.00
2021			$376,110

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

Flood

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

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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