422 Carbonia Ave, Walnut, CA 91789 Property Records

Los Angeles County property record for 422 Carbonia Ave, Walnut, CA 91789

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 2,571 sqft · built 1966
Lot Size	0.213 acres (9,261 sqft)
Owner	2 Trust Names on File
Last Sale	$568,000 (Sep 2008)
Tax Bill	$9,461 (2025)
Deeds & Mortgages	Sep 2021 Mortgage Apr 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8720-012-012`

Property Details

APN / Parcel Number

Primary APN	`8720-012-012`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,571 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1968
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	9,261 sqft (0.213 acres)
Lot Dimensions	116 ft deep x 79 ft wide
Garage Type	Attached
Pool Type	Heated Pool

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	422 CARBONIA AVE
City	WALNUT
State	CA
Zip	91789-2515
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	WAR17200*
Legal Description	TRACT NO 30020 LOT 52
Legal Subdivision	30020
Legal Tract	30020
Legal Block	2
Legal Lot Number	52
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2002
Census Tract	403402

Owner

422 Carbonia Ave is owner-occupied and held in a trust since April 2020.

Source: Los Angeles County records, as of August 25, 2026

Owner of Record	2 Trust Names on File
Mailing Address	422 CARBONIA AVE, WALNUT, CA 91789-2515
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

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
Sep 14, 2021	Deed of Trust, Mortgage · Conventional Mortgage GENERAL MORTGAGE CAPITAL CORP
Apr 9, 2020	Deed of Trust, Mortgage · Conventional Mortgage JJST CORP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 12, 2008 · Amount on File
Deed Sale	Sep 12, 2008 · Amount on File
Deed Document Number	20081645053
Last Transfer Date	Apr 9, 2020
Transfer Doc	0000425363
Record Updated	Oct 29, 2026

September 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	422 CARBONIA AVE, WALNUT, CA 91789-2515
Transaction Type	Mortgage
Record Updated	May 30, 2023
Title Company	WFG NATIONAL TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	422 CARBONIA AVE, WALNUT, CA 91789-2515

Mortgage

Document Number	0001405832
Date	Sep 14, 2021
Instrument	21-1405832

Lender

Name	GENERAL MORTGAGE CAPITAL CORP
Type	Mortgage Company
Address	BURLINGAME, CA 94010

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	Oct 1, 2036

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	422 CARBONIA AVE, WALNUT, CA 91789-2515
Instrument Date	Apr 9, 2020
Transaction Type	Mortgage
Record Updated	Apr 23, 2020
Title Company	WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	422 CARBONIA AVE WALNUT CA 917892515, WALNUT, CA 91789-2515

Mortgage

Document Number	425364
Date	Apr 16, 2020
Instrument	425364

Lender

Name	JJST CORP
Address	CITY OF INDUSTRY, CA 91748

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	180 Months
Due	Apr 15, 2035

Tax Assessment & Valuation

The 2025 property tax bill for 422 Carbonia Ave was $9,461 with a homeowner's exemption.

Source: Los Angeles County assessment roll, as of August 25, 2026

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Municipality	Walnut City
Unified School District	Walnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$746,059 (+2%) Land $439,626 Building $306,433
2025	$9,461.00 Homeowner's exemption	$731,431 Land $431,006 Building $300,425
2023	$8,736.00 (+2.1%) Homeowner's exemption	$703,030 Land $414,270 Building $288,760
2022	$8,556.00

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

Flood

FEMA maps place 422 Carbonia Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 30, 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 422 Carbonia 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	WALNUT VALLEY WATER DISTRICT serves 100,941 people · EPA ID CA1910234
Water Source	Purchased surface water from several systems
Last State Inspection	Jun 2023
Lead	Under 1 ppb (2022–2024) 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 549 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: GeoLinks.

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