231 Carbonia Ave, Walnut, CA 91789 Property Records

Los Angeles County property record for 231 Carbonia Ave, Walnut, CA 91789

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 2,189 sqft · built 1964
Lot Size	0.351 acres (15,266 sqft)
Owner	2 Individual Names on Record
Last Sale	$440,000 (Oct 2011)
Tax Bill	$7,412 (2025)
Deeds & Mortgages	Sep 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8720-017-011`

Property Details

APN / Parcel Number

Primary APN	`8720-017-011`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,189 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1964
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	15,266 sqft (0.351 acres)
Lot Dimensions	231 ft deep x 66 ft wide

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	231 CARBONIA AVE
City	WALNUT
State	CA
Zip	91789-2512
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	WAR17200*
Legal Description	TRACT NO 26811 LOT 11
Legal Subdivision	26811
Legal Tract	26811
Legal Block	1
Legal Lot Number	11
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1011
Census Tract	403402

Owner

Source: Los Angeles County records, as of August 25, 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	231 CARBONIA AVE, WALNUT, CA 91789-2512
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 31, 2011 · Amount on Record
Deed Sale	Oct 31, 2011 · Amount on Record
Prior Sale	Aug 29, 2005 · Amount on Record
Deed Document Number	20111469536
Last Transfer Date	Aug 4, 2020
Transfer Doc	0001109882
Record Updated	Oct 29, 2026

September 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Sep 15, 2020
Property Address	231 CARBONIA AVE, WALNUT, CA 91789-2512
Document Number	0001109882
Map Reference	MB 721 PG 42-44
Instrument Date	Aug 4, 2020
Instrument	20-1109882
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	CHICAGO TITLE COMPANY

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
Relationship	Community Property
Address	231 CARBONIA AVE, WALNUT, CA 91789-2512

Mortgage

Document Number	0001109883
Date	Sep 15, 2020
Instrument	20-1109883

Lender

Name	GOOGAIN INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Oct 1, 2035

Tax Assessment & Valuation

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		$563,705 (+2%) Land $429,958 Building $133,747
2025	$7,412.00 (+7.69%)	$552,653 (+4.04%) Land $421,528 Building $131,125
2023	$6,883.00 (+2.06%)	$531,194 Land $405,160 Building $126,034
2022	$6,744.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	2 (1980)
Most Recent Claim	Jan 1980 · tidal / storm surge

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; 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	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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