Los Angeles County property record for 1831 Sundowner Ln, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,220 sqft · built 1989 |
| Lot Size | 0.286 acres (12,450 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $10,799 (2025) |
| Deeds & Mortgages | Dec 2021 Transfer |
| Flood Zone | Zone D (undetermined) |
| APN | 8710-023-017 |
| Primary APN | 8710-023-017 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,220 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Tile |
| Lot Area | 12,450 sqft (0.286 acres) |
| Lot Dimensions | 146 ft deep x 85 ft wide |
| Garage Type | Attached |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1831 SUNDOWNER LN |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-1357 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | WASP1* |
| Legal Description | TR=44019 LOT 12 |
| Legal Subdivision | 44019 |
| Legal Tract | 44019 |
| Legal Block | 1 |
| Legal Lot Number | 12 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 403409 |
1831 Sundowner Ln is owned by a company that acquired it in December 2021 and is owner-occupied.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 1831 SUNDOWNER LN, WALNUT, CA 91789-1357 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Dec 16, 2021 |
| Transfer Doc | 0001917748 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Dec 28, 2021 |
| Property Address | 1831 SUNDOWNER LN, WALNUT, CA 91789-1357 |
| Document Number | 0001917748 |
| Map Reference | MB 1051 PG 53-61 |
| Instrument Date | Dec 16, 2021 |
| Instrument | 21-1917748 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 1831 SUNDOWNER LN, WALNUT, CA 91789-1357 |
The 2025 property tax bill for 1831 Sundowner Ln was $10,799 with a homeowner's exemption.
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 | $803,466 (+2%) Land $359,803 Building $443,663 | |
| 2025 | $10,799.00 Homeowner's exemption | $787,713 Land $352,749 Building $434,964 |
| 2023 | $9,948.00 (+2.49%) Homeowner's exemption | $757,127 Land $339,052 Building $418,075 |
| 2022 | $9,706.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1831 Sundowner Ln in Zone D, where flood risk has not been studied.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026
| FEMA Flood Zone | Zone D undetermined · not studied |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 1831 Sundowner Ln is moderate, ranking above 53% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 53% of the US · lower than 68% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation |
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 | GSWC-SAN DIMAS private · serves 56,564 people · EPA ID CA1910142 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | May 2025 |
| Lead | 2 ppb (2024–2026) 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 300 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Frontier, GeoLinks, Verizon.
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