Los Angeles County property record for 20371 Portside Dr, Walnut, CA 91789 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,282 sqft · built 1985 |
| Lot Size | 0.364 acres (15,869 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $315,000 (Oct 1998) |
| Tax Bill | $6,886 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8269-037-025 |
| Primary APN | 8269-037-025 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,282 sqft Living Area |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Construction Type | Wood |
| Lot Area | 15,869 sqft (0.364 acres) |
| Lot Dimensions | 220 ft deep x 72 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 20371 PORTSIDE DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-4603 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TR=33256 LOT 121 |
| Legal Subdivision | 33256 |
| Legal Tract | 33256 |
| Legal Block | 3 |
| Legal Lot Number | 121 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 408703 |
Source: Los Angeles County records · APN 8269-037-025
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 | 20371 PORTSIDE DR, WALNUT, CA 91789-4603 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 08, 1998 · Amount on Record |
| Deed Sale | Oct 08, 1998 · Amount on Record |
| Prior Sale | Aug 31, 1993 · Amount on Record |
| Deed Document Number | 19981837428 |
| Last Transfer Date | Apr 12, 2008 |
| Transfer Doc | 0000930561 |
| 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 | $6,886.00 (+10.48%) Homeowner's exemption | $493,800 (+4.04%) Land $261,637 Building $232,163 |
| 2023 | $6,233.00 (+2.21%) Homeowner's exemption | $474,627 Land $251,478 Building $223,149 |
| 2022 | $6,098.00 |
Source: FEMA National Flood Hazard Layer, Los Angeles County (06037C), updated September 30, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060374087033, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Low above 37% of the US · above 22% of California |
|---|---|
| Wildfire Likelihood | About 1 in 1,961 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 265 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Spectrum | Cable | 1,000 / 1,000 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: Verizon, T-Mobile USA, Frontier, Spectrum, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE (outdoors only)
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