428 Carbonia Ave, Walnut, CA 91789 Property Records

Los Angeles County property record for 428 Carbonia Ave, Walnut, CA 91789

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,188 sqft · built 1966
Lot Size	0.185 acres (8,052 sqft)
Owner	2 Trust Names on File
Last Sale	$756,000 (May 2015)
Tax Bill	$11,529 (2025)
Deeds & Mortgages	Mar 2024 Mortgage Mar 2024 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8720-012-011`

Property Details

APN / Parcel Number

Primary APN	`8720-012-011`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,188 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1966
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	8,052 sqft (0.185 acres)
Lot Dimensions	112 ft deep x 70 ft wide
Garage Type	Attached

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	428 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 51
Legal Subdivision	30020
Legal Tract	30020
Legal Block	2
Legal Lot Number	51
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2002
Census Tract	403402

Owner

428 Carbonia Ave is owner-occupied and held in a trust since May 2015.

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

Owner of Record	2 Trust Names on File
Mailing Address	428 CARBONIA AVE, WALNUT, CA 91789-2515
Occupancy	Owner Occupied
Owner Type	Company
Vesting	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
Mar 5, 2024	Deed of Trust, Mortgage · Commercial Mortgage CITY OF WALNUT
Mar 15, 2024	Intrafamily Transfer, Transfer
May 27, 2020	Deed of Trust, Mortgage · Conventional Mortgage EAST WEST BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 13, 2015 · Amount on File
Deed Sale	May 13, 2015 · Amount on File
Prior Sale	Apr 24, 1998 · Amount on File
Deed Document Number	2015554255
Prior Transfer Date	Nov 19, 1993
Prior Transfer Doc	0002489904
Record Updated	Oct 29, 2026

March 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	428 CARBONIA AVE, WALNUT, CA 91789-2515
Transaction Type	Mortgage
Record Updated	Mar 13, 2024
Title Company	CHICAGO TITLE PIRT

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000143278
Date	Mar 5, 2024
Instrument	24-0143278

Lender

Name	CITY OF WALNUT
Type	Government Agency
Address	POMONA, CA 91769

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

March 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Mar 15, 2024
Property Address	428 CARBONIA AVE, WALNUT, CA 91789-2515
Document Number	0000171445
Map Reference	MB 747 PG 88&89
Instrument Date	Mar 8, 2024
Instrument	24-0171445
Transaction Type	Transfer
Record Updated	Apr 1, 2024

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	428 CARBONIA AVE, WALNUT, CA 91789-2515

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	428 CARBONIA AVE, WALNUT, CA 91789-2515
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000570290
Date	May 27, 2020
Instrument	20-0570290

Lender

Name	EAST WEST BANK
Type	Bank
Address	EL MONTE, CA 91731

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	Jun 1, 2035

Tax Assessment & Valuation

The 2025 property tax bill for 428 Carbonia Ave was $11,529.

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		$926,516 (+2%) Land $543,922 Building $382,594
2025	$11,529.00	$908,350 Land $533,257 Building $375,093
2023	$10,737.00 (+2.08%)	$873,079 Land $512,550 Building $360,529
2022	$10,518.00

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

Flood

FEMA maps place 428 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 428 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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