Los Angeles County property record for 20431 Sartell Dr, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 7 bd · 4 ba · 5,425 sqft · built 1988 |
| Lot Size | 1.05 acres (45,895 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $12,823 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8764-018-008 |
| Primary APN | 8764-018-008 |
|---|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 4 Baths |
| Building Area | 5,425 sqft Living Area |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1989 |
| Construction Type | Wood |
| Lot Area | 45,895 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 20431 SARTELL DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-3547 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCA1* |
| Legal Description | *TR=35765 LOT 14 |
| Legal Subdivision | 35765 |
| Legal Tract | 35765 |
| Legal Block | 1 |
| Legal Lot Number | 14 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 408707 |
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 | 20431 SARTELL DR, WALNUT, CA 91789-3547 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Unified School District | Rowland Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $966,349 (+2%) Land $252,645 Building $713,704 | |
| 2025 | $12,823.00 (+10.97%) Homeowner's exemption | $947,402 (+4.04%) Land $247,692 Building $699,710 |
| 2023 | $11,555.00 (+2.66%) Homeowner's exemption | $910,616 Land $238,075 Building $672,541 |
| 2022 | $11,256.00 |
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 · 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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 in force |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond 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 241 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 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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