Los Angeles County property record for 20423 Gernside Dr, Walnut, CA 91789 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Architecture Style | Conventional |
| Year Built | Built 1976 |
| Square Footage | 1,767 sqft Living Area |
| Lot Size | 10,372 sqft (0.238 acres) |
| Occupancy | Owner Occupied |
| Tax Bill | $5,363.00 (2025) |
| Primary APN | 8763-023-001 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,767 sqft Living Area |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Conventional Style |
| Exterior Material | Stucco Exterior |
| Construction Type | Wood Construction |
| Roof Material | Wood Shingle Roof |
| Lot Area | 10,372 sqft (0.238 acres) |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Water Source | Commercial Water Source |
| Street Address | 20423 GERNSIDE DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-3737 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT NO 32109 LOT 1 |
| Legal Subdivision | 32109 |
| Legal Tract | 32109 |
| Legal Block | 3 |
| Legal Lot Number | 1 |
| Jurisdiction | LOS ANGELES CA |
| Minor Civil Division | EAST SAN GABRIEL VALLEY |
| Census Blockgroup | 3 |
| Census Block | 3008 |
| Census Tract | 408707 |
Source: Los Angeles County records · APN 8763-023-001
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 | Individual Name on File |
|---|---|
| Mailing Address | 20423 GERNSIDE DR, WALNUT, CA 91789-3737 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Sole Owner |
| Date | Document |
|---|---|
| May 25, 2021 | Deed of Trust, Mortgage · Conventional Mortgage BANK OF THE WEST |
| Dec 06, 2019 | Deed of Trust, Mortgage · Conventional Mortgage BANK OF THE WEST |
| Nov 26, 2019 | Quit Claim Deed, Transfer · Conventional Mortgage BANK OF THE WEST |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Oct 15, 1998 |
| Transfer Doc | 0001915750 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 20423 GERNSIDE DR, DIAMOND BAR, CA 91789-3737 |
| Transaction Type | Mortgage |
| Record Updated | Jun 04, 2021 |
| Name | Verified Name |
|---|---|
| Address | 20423 GERNSIDE DR, WALNUT, CA 91789-3737 |
| Document Number | 0000839287 |
|---|---|
| Date | May 25, 2021 |
| Instrument | 21-0839287 |
| Name | BANK OF THE WEST |
|---|---|
| Type | Bank |
| Address | OMAHA, NE 68154 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | May 01, 2036 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 20423 GERNSIDE DR, DIAMOND BAR, CA 91789-3737 |
| Document Number | 0000044992 |
| Instrument Date | Dec 06, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Jan 28, 2020 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 20423 GERNSIDE DR WALNUT CA 917893737, WALNUT, CA 91789-3737 |
| Document Number | 0000044992 |
|---|---|
| Date | Jan 13, 2020 |
| Instrument | 44992 |
| Name | BANK OF THE WEST |
|---|---|
| Type | Bank |
| Address | OMAHA, NE 68154 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 12, 2050 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Nov 26, 2019 |
| Property Address | 20423 GERNSIDE DR, DIAMOND BAR, CA 91789-3737 |
| Document Number | 0001303182 |
| Instrument Date | Nov 06, 2019 |
| Instrument | 1303182 |
| Transaction Type | Transfer |
| Record Updated | Dec 10, 2019 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 20423 GERNSIDE DR WALNUT CA 917893737, WALNUT, CA 91789-3737 |
| Document Number | 1303183 |
|---|---|
| Date | Nov 26, 2019 |
| Instrument | 1303183 |
| Name | BANK OF THE WEST |
|---|---|
| Type | Bank |
| Address | OMAHA, NE 68154 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Nov 25, 2034 |
Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Diamond Bar City |
| Unified School District | Walnut Valley 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 | $5,363.00 (+4.56%) | $385,472 (+4.04%) Land $262,059 Building $123,413 |
| 2024 | $5,129.00 (+62.1%) | |
| 2023 | $3,164.00 (-0.85%) | $370,506 Land $251,884 Building $118,622 |
| 2022 | $3,191.00 |
20423 Gernside Dr is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · Los Angeles County (06037C), updated September 30, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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