Los Angeles County property record for 20603 Seton Hill Dr, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,958 sqft · built 1963 |
| Lot Size | 0.294 acres (12,793 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $665,000 (Dec 2005) |
| Tax Bill | $11,640 (2025) |
| Deeds & Mortgages | Jul 2026 Sale |
| Flood Zone | Zone D (undetermined) |
| APN | 8712-005-024 |
| Primary APN | 8712-005-024 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 1,958 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Hip |
| Roof Material | Wood Shingle |
| Lot Area | 12,793 sqft (0.294 acres) |
| Lot Dimensions | 160 ft deep x 84 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 20603 SETON HILL DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-1022 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | WAR110000* |
| Legal Description | TRACT NO 27482 LOT 46 |
| Legal Subdivision | 27482 |
| Legal Tract | 27482 |
| Legal Block | 1 |
| Legal Lot Number | 46 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 403409 |
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 Company Names on Record |
|---|---|
| Mailing Address | 20603 SETON HILL DR, WALNUT, CA 91789-1022 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 19, 2005 · Amount on Record |
| Deed Sale | Dec 19, 2005 · Amount on Record |
| Deed Document Number | 20053111032 |
| Last Transfer Date | Jul 25, 2026 |
| Transfer Doc | 0000551845 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Jul 27, 2026 |
| Property Address | 20603 SETON HILL DR, WALNUT, CA 91789-1022 |
| Document Number | 0000551845 |
| Instrument Date | Jul 25, 2026 |
| Instrument | 2026551845 |
| Transaction Type | Transfer |
| Record Updated | Aug 31, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 20603 SETON HILL DR, WALNUT, CA 91789-1022 |
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 | $926,935 (+2%) Land $712,423 Building $214,512 | |
| 2025 | $11,640.00 (+8.14%) Homeowner's exemption | $908,760 (+4.04%) Land $698,454 Building $210,306 |
| 2023 | $10,764.00 (+2.56%) Homeowner's exemption | $873,474 Land $671,333 Building $202,141 |
| 2022 | $10,495.00 |
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 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.
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 | 0.07% 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 | 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 96 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 1,000 |
May also be available: Verizon.
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