6630 Mount Diablo Ave, Riverside, CA 92506 Property Records

Riverside County property record for 6630 Mount Diablo Ave, Riverside, CA 92506

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 1,771 sqft · built 1952
Lot Size	0.21 acres (9,148 sqft)
Owner	2 Individual Names on Record
Last Sale	$620,000 (Oct 2026)
Tax Bill	$2,910 (2025)
Deeds & Mortgages	Oct 2026 Sale & Mortgage Aug 2026 Transfer
Flood Zone	Zone X (minimal risk)
APN	`225-323-021`

Property Details

APN / Parcel Number

Primary APN	`225-323-021`
Alternative APN	`042400243`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,771 sqft Living Area
Gross Area	1,943 sqft
1st Floor Area	1,771 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1952
Architectural Style	Contemporary
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Gravel
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	042400243
Street Address	6630 MOUNT DIABLO AVE
City	RIVERSIDE
State	CA
Zip	92506-3925
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1065
Legal Description	LOT 235 MB 025/004 SUN GOLD TERRACE UNIT 4
Legal Subdivision	SUN GOLD TERRACE UNIT 4
Legal Lot Number	235
Jurisdiction	RIVERSIDE CA
Township / Civil Division	RIVERSIDE
Census Block Group	2
Census Block	2000
Census Tract	31100

Owner

Source: Riverside County records, as of October 16, 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	6630 MOUNT DIABLO AVE, RIVERSIDE, CA 92506-3925
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

Deeds, Mortgages & Sale History

Date	Document
Oct 6, 2026	Grant Deed, Transfer · Conventional Mortgage GUARANTEED RATE
Aug 19, 2026	Affidavit of Death of Trustee, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 6, 2026 · Amount on Record
Deed Sale	Oct 6, 2026 · Amount on Record
Deed Document Number	2026311885
Prior Transfer Date	Jul 20, 2012
Prior Transfer Doc	0000363483
Record Updated	Oct 29, 2026

October 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	RIVERSIDE CA
Recording Date	Oct 6, 2026
Property Address	6630 MOUNT DIABLO AVE, RIVERSIDE, CA 92506-3925
Document Number	0000311885
Instrument Date	Sep 15, 2026
Instrument	2026311885
Transaction Type	Transfer
Record Updated	Oct 16, 2026
Title Company	TICOR TITLE INSURANCE COMPANY, TICOR TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$137,764.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6630 MOUNT DIABLO AVE, RIVERSIDE, CA 92506-3925

Mortgage

Document Number	0000311886,
Date	Oct 6, 2026
Instrument	2026311886

Lender

Name	GUARANTEED RATE

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Nov 1, 2056

Interest

Rate Type	Fixed Rate
Initial Type	Fixed Rate
Max Rate	-1%

August 2026: Affidavit of Death of Trustee, Transfer

Document Type	Affidavit of Death of Trustee
Jurisdiction	RIVERSIDE CA
Recording Date	Aug 19, 2026
Property Address	6630 MOUNT DIABLO AVE, RIVERSIDE, CA 92506-3925
Document Number	0000261792
Instrument Date	Aug 12, 2026
Instrument	2026261792
Transaction Type	Transfer
Record Updated	Aug 28, 2026

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

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		$268,566 (+2%) Land $91,965 Building $176,601
2025	$2,910.00 (+3.89%) Homeowner's exemption	$263,301 (+4.04%) Land $90,162 Building $173,139
2023	$2,801.00 (+1.93%) Homeowner's exemption	$253,079 Land $86,662 Building $166,417
2022	$2,748.00
2021			$667,260

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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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