4228 Mount Vernon Ave, Riverside, CA 92507 Property Records

Riverside County property record for 4228 Mount Vernon Ave, Riverside, CA 92507

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 1,600 sqft · built 1960
Lot Size	0.34 acres (14,810 sqft)
Owner	2 Individual Names on File
Last Sale	$500,000 (Apr 2021)
Tax Bill	$5,994 (2025)
Deeds & Mortgages	Apr 2021 Transfer Apr 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`258-171-032`

Property Details

APN / Parcel Number

Primary APN	`258-171-032`
Alternative APN	`122504135`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	1,600 sqft Living Area
Gross Area	2,306 sqft
1st Floor Area	1,600 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1960
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	14,810 sqft (0.34 acres)
Garage Type	Carport
Garage Area	493 sqft
Carport	Carport
Carport Area	493 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Connected

Location & Zoning

Old Parcel Number	122504135
Street Address	4228 MT VERNON AVE
City	RIVERSIDE
State	CA
Zip	92507-4860
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1065
Legal Description	LOT 130 MB 035/067 UNIVERSITY HILLS 3
Legal Subdivision	UNIVERSITY HILLS 3
Legal Lot Number	130
Jurisdiction	RIVERSIDE CA
Township / Civil Division	RIVERSIDE
Census Block Group	2
Census Block	2000
Census Tract	42213

Owner

4228 Mount Vernon Ave is owned and occupied by two individuals who bought it in April 2021.

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

Owner of Record	2 Individual Names on File
Mailing Address	4228 MT VERNON AVE, RIVERSIDE, CA 92507-4860
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

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
Apr 30, 2021	Intrafamily Transfer, Transfer OS NATIONAL TITLE, USA NATIONAL TITLE
Apr 30, 2021	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 30, 2021 · Amount on File
Deed Sale	Apr 30, 2021 · Amount on File
Prior Sale	Dec 15, 2014 · Amount on File
Deed Document Number	2021271733
Prior Transfer Date	May 2, 1994
Prior Transfer Doc	0000256159
Record Updated	Oct 29, 2026

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	RIVERSIDE CA
Recording Date	Apr 30, 2021
Property Address	4228 MT VERNON AVE, RIVERSIDE, CA 92507-4860
Document Number	0000271732
Map Reference	MB 35 PG 67-69
Instrument Date	Apr 28, 2021
Instrument	2021-0271732
Transaction Type	Transfer
Record Updated	May 13, 2021
Title Company	OS NATIONAL TITLE, USA NATIONAL TITLE

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	1931 E MEATS AVE, ORANGE, CA 92865-4000

April 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	RIVERSIDE CA
Recording Date	Apr 30, 2021
Property Address	4228 MT VERNON AVE, RIVERSIDE, CA 92507-4860
Document Number	0000271733
Map Reference	MB 35 PG 67-69
Instrument Date	Mar 24, 2021
Instrument	2021-0271733
Transaction Type	Transfer
Record Updated	May 13, 2021
Title Company	USA NATIONAL TITLE COMPANY, USA NATIONAL TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	1049 N LINCOLN ST, ORANGE, CA 92867-5843

Mortgage

Document Number	0000271734
Date	Apr 30, 2021
Instrument	2021-0271734

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 4228 Mount Vernon Ave was $5,994 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		$552,037 (+2%) Land $88,324 Building $463,713
2025	$5,994.00 Homeowner's exemption	$541,214 Land $86,593 Building $454,621
2023	$5,769.00 (+1.91%) Homeowner's exemption	$520,200 Land $83,232 Building $436,968
2022	$5,661.00
2021			$441,360

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

Flood

FEMA maps place 4228 Mount Vernon 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

Wildfire risk around 4228 Mount Vernon Ave is moderate, ranking above 68% of the US, with a 0.3% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 68% of the US · above 42% of California
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 331 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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