Los Angeles County property record for 20507 Sartell Dr, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 10 ba · 6,734 sqft · built 1988 |
| Lot Size | 0.706 acres (30,743 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $19,187 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8764-021-010 |
| Primary APN | 8764-021-010 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 10 Baths |
| Building Area | 6,734 sqft Living Area |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1996 |
| Construction Type | Wood |
| Lot Area | 30,743 sqft (0.706 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 20507 SARTELL DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-3549 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCA1* |
| Legal Description | *TR=35765 LOT 18 |
| Legal Subdivision | 35765 |
| Legal Tract | 35765 |
| Legal Block | 1 |
| Legal Lot Number | 18 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 408707 |
20507 Sartell Dr is held in a trust since November 2006.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 20507 SARTELL DR, WALNUT, CA 91789-3549 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
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 | Nov 17, 2006 |
| Transfer Doc | 0001153737 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 20507 Sartell Dr was $19,187.
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 | $1,490,641 (+2%) Land $210,536 Building $1,280,105 | |
| 2025 | $19,187.00 | $1,461,413 Land $206,408 Building $1,255,005 |
| 2023 | $17,493.00 (+2.49%) | $1,404,667 Land $198,394 Building $1,206,273 |
| 2022 | $17,068.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 20507 Sartell Dr in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 20507 Sartell Dr is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 63% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.04% 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 265 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
May also be available: Frontier, GeoLinks, T-Mobile, Verizon.
5G and 4G LTE (outdoors only)
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