Los Angeles County property record for 20408 Blue Mountain Dr, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,061 sqft · built 1965 |
| Lot Size | 0.311 acres (13,552 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $220,000 (Mar 2002) |
| Tax Bill | $4,797 (2025) |
| Flood Zone | Zone D (undetermined) |
| APN | 8712-004-023 |
| Primary APN | 8712-004-023 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,061 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 13,552 sqft (0.311 acres) |
| Lot Dimensions | 150 ft deep x 91 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 20408 BLUE MOUNTAIN DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-1001 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | WAR110000* |
| Legal Description | TRACT NO 27484 LOT 4 |
| Legal Subdivision | 27484 |
| Legal Tract | 27484 |
| Legal Block | 1 |
| Legal Lot Number | 4 |
| 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 | Individual Name on Record |
|---|---|
| Mailing Address | 20408 BLUE MOUNTAIN DR, WALNUT, CA 91789-1001 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 14, 2002 · Amount on Record |
| Deed Sale | Mar 14, 2002 · Amount on Record |
| Deed Document Number | 2002618483 |
| Last Transfer Date | Jan 2, 2008 |
| Transfer Doc | 0000038897 |
| Record Updated | Oct 29, 2026 |
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 | $331,479 (+2%) Land $241,082 Building $90,397 | |
| 2025 | $4,797.00 (+13.57%) Homeowner's exemption | $324,980 (+4.04%) Land $236,355 Building $88,625 |
| 2023 | $4,224.00 (+2.1%) Homeowner's exemption | $312,363 Land $227,178 Building $85,185 |
| 2022 | $4,137.00 |
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 | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.03% 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 272 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: T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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