Los Angeles County property record for 20231 Portside Dr, Walnut, CA 91789 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,648 sqft · built 1987 |
| Lot Size | 0.271 acres (11,823 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $7,055 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8269-039-010 |
| Primary APN | 8269-039-010 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,648 sqft Living Area |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Construction Type | Wood |
| Lot Area | 11,823 sqft (0.271 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 20231 PORTSIDE DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-4629 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TR=33256 LOT 10 |
| Legal Subdivision | 33256 |
| Legal Tract | 33256 |
| Legal Block | 3 |
| Legal Lot Number | 10 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 408703 |
Source: Los Angeles County records · APN 8269-039-010
Assessment roll updated May 21, 2026 · Last verified June 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 File |
|---|---|
| Mailing Address | 20231 PORTSIDE DR, WALNUT, CA 91789-4629 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Jun 13, 2013 |
| Transfer Doc | 0001106222 |
| Record Updated | Sep 20, 2026 |
Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Unified School District | Rowland Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $7,055.00 (+11.68%) Homeowner's exemption | $507,204 (+4.04%) Land $152,150 Building $355,054 |
| 2023 | $6,317.00 (+2.25%) Homeowner's exemption | $487,511 Land $146,243 Building $341,268 |
| 2022 | $6,178.00 |
Source: FEMA National Flood Hazard Layer, Los Angeles County (06037C), updated September 30, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Moderate above 49% of the US · above 29% of California |
|---|---|
| Wildfire Likelihood | About 1 in 1,250 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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