4278 12th St, Riverside, CA 92501 Property Records

Riverside County property record for 4278 12th St, Riverside, CA 92501

Property Summary

Property Type	Home Plus Accessory Dwelling Unit
Details	4 bd · 2 ba · 2,188 sqft · built 1912
Lot Size	0.15 acres (6,534 sqft)
Owner	Individual Name on Record
Last Sale	$525,000 (Feb 2020)
Tax Bill	$6,435 (2025)
Deeds & Mortgages	Apr 2021 Mortgage Mar 2018 Line of Credit + 3 more
Flood Zone	Zone X (minimal risk)
APN	`215-201-002`

Property Details

APN / Parcel Number

Primary APN	`215-201-002`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Stories	2 Stories
Building Area	2,188 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1912
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	6,534 sqft (0.15 acres)
Garage Type	Detached
Garage Area	256 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Connected

Location & Zoning

Account Number	215201002
Street Address	4278 12TH ST
City	RIVERSIDE
State	CA
Zip	92501-3411
Property Category	Residential
Property Type	Residential > Single Family > Home Plus Accessory Dwelling Unit
Local Zoning Code	R1065
Legal Description	LOT 2 MB 007/008 ERDICE SUB BLK 12 R12
Legal Subdivision	ERDICE SUBDIVISION
Legal Block	12
Legal Lot Number	2
Jurisdiction	RIVERSIDE CA
Township / Civil Division	RIVERSIDE
Census Block Group	2
Census Block	2018
Census Tract	30200

Owner

Source: Riverside County records, as of October 13, 2025

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
Co-owner	Co-owner on Record
Mailing Address	4278 12TH ST, RIVERSIDE, CA 92501-3411
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Apr 22, 2021	Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE INC
Mar 6, 2018	Deed of Trust, Mortgage · Line of Credit MECHANICS BANK
Feb 19, 2020	Grant Deed, Transfer · Conventional Mortgage ACADEMY MORTGAGE CORP
Aug 16, 2018	Grant Deed, Mortgage · Line of Credit NANO BANC
Feb 15, 2018	Grant Deed, Transfer ORANGE COAST TITLE COMPANY, ORANGE COAST TITLE CO

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 19, 2020 · Amount on Record
Deed Sale	Feb 19, 2020 · Amount on Record
Prior Sale	Feb 15, 2018 · Amount on Record
Deed Document Number	2020-0075871
Record Updated	Jun 7, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	RIVERSIDE CA
Property Address	4278 12TH ST, RIVERSIDE, CA 92501-3411
Transaction Type	Mortgage
Record Updated	Aug 3, 2023
Title Company	ORABGE COAST TITLE, ORANGE COAST TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4278 12TH ST, RIVERSIDE, CA 92501-3411

Mortgage

Document Number	0000249906
Date	Apr 22, 2021
Instrument	2021-0249906

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company
Address	CHICAGO, IL 60613

Agreement

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

March 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	RIVERSIDE CA
Property Address	4278 12TH ST, RIVERSIDE, CA 92501-3411
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	CHICAGO TITLE INLAND EMPIRE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000083507
Date	Mar 6, 2018
Instrument	2018-0083507

Lender

Name	MECHANICS BANK
Type	Bank
Address	RANCHO CUCAMONGA, CA 91701

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

February 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	RIVERSIDE CA
Recording Date	Feb 19, 2020
Property Address	4278 12TH ST, RIVERSIDE, CA 92501-3411
Document Number	0000075871
Map Reference	MB 7 PG 8
Instrument Date	Jan 8, 2020
Instrument	2020-0075871
Transaction Type	Transfer
Record Updated	Sep 28, 2021
Title Company	CHICAGO TITLE INLAND EMPIRE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,155.00
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	4278 12TH ST, RIVERSIDE, CA 92501-3411

Mortgage

Document Number	0000075872
Date	Feb 19, 2020
Instrument	2020-0075872

Lender

Name	ACADEMY MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2050

August 2018: Grant Deed, Mortgage

Document Type	Grant Deed
Jurisdiction	RIVERSIDE CA
Recording Date	Aug 16, 2018
Property Address	4278 12TH ST, RIVERSIDE, CA 92501-3411
Instrument Date	Aug 14, 2018
Instrument	328661
Transaction Type	Mortgage
Record Updated	Aug 24, 2018
Title Company	CHICAGO TITLE-INLAND EMPIRE

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	8628 HILLSIDE RD ALTA LOMA CA 917011963, ALTA LOMA, CA 91701-1963

Mortgage

Document Number	0000328661
Date	Aug 16, 2018
Instrument	328661

Lender

Name	NANO BANC
Address	25220 HANCOCK AVE # 140, IRVINE, CA 92618

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

February 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	RIVERSIDE CA
Recording Date	Feb 15, 2018
Property Address	4278 12TH ST, RIVERSIDE, CA 92501-3411
Document Number	0000058983
Instrument Date	Feb 8, 2018
Instrument	58983
Transaction Type	Transfer
Record Updated	Feb 23, 2018
Title Company	ORANGE COAST TITLE COMPANY, ORANGE COAST TITLE CO

Transaction

Amount	Amount Recorded
Tax	$682.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	8628 HILLSIDE RD ALTA LOMA CA 917011963, ALTA LOMA, CA 91701-1963

Tax Assessment & Valuation

Source: Riverside County assessment roll, as of July 1, 2025

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
2025	$6,435.00 (+3.84%)	$574,160 (+4.04%) Land $82,021 Building $492,139
2023	$6,197.00 (+1.87%)	$551,867 (+2%) Land $78,837 Building $473,030
2022	$6,083.00	$541,047 Land $77,292 Building $463,755

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

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	Moderate above 42% of the US · lower than 75% of California
Wildfire Likelihood	0.07% annual chance
Exposure	Indirect 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 454 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 · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	1,000 / 75
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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