Los Angeles County property record for 442 Carbonia Ave, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,004 sqft · built 1966 |
| Lot Size | 0.16 acres (6,967 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $439,000 (Aug 2003) |
| Tax Bill | $8,042 (2025) |
| Deeds & Mortgages | Jun 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 8720-012-009 |
| Primary APN | 8720-012-009 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,004 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1966 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Gravel |
| Lot Area | 6,967 sqft (0.16 acres) |
| Lot Dimensions | 100 ft deep x 73 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Water Source | Commercial |
| Street Address | 442 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 49 |
| Legal Subdivision | 30020 |
| Legal Tract | 30020 |
| Legal Block | 2 |
| Legal Lot Number | 49 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 403402 |
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 | 442 CARBONIA AVE, WALNUT, CA 91789-2515 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 14, 2003 · Amount on Record |
| Deed Sale | Aug 14, 2003 · Amount on Record |
| Deed Document Number | 20032346688 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 442 CARBONIA AVE, WALNUT, CA 91789-2515 |
| Transaction Type | Mortgage |
| Record Updated | Jun 24, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000897127 |
|---|---|
| Date | Jun 7, 2021 |
| Instrument | 21-0897127 |
| Name | YANCHUN XIN |
|---|---|
| Type | Private Party |
| Address | 134 E LAS FLORES AVE, ARCADIA, CA 91006 |
| Amount | Amount Recorded |
|---|
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Walnut City |
| Unified School District | Walnut Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $636,628 (+2%) Land $340,212 Building $296,416 | |
| 2025 | $8,042.00 (+8.12%) Homeowner's exemption | $624,146 (+4.04%) Land $333,542 Building $290,604 |
| 2023 | $7,438.00 (+2.13%) Homeowner's exemption | $599,911 Land $320,591 Building $279,320 |
| 2022 | $7,283.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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.
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 |
| 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.
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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