Los Angeles County property record for 20643 E Oak Crest Dr, Diamond Bar, CA 91765 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 3,453 sqft · built 1997 |
| Lot Size | 0.283 acres (12,312 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $383,000 (Apr 1997) |
| Tax Bill | $8,720 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8269-090-044 |
| Primary APN | 8269-090-044 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Building Area | 3,453 sqft Living Area |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1997 |
| Construction Type | Wood |
| Lot Area | 12,312 sqft (0.283 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 20643 E OAK CREST DR |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-4703 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TR=44478 LOT 73 |
| Legal Subdivision | 44478 |
| Legal Tract | 44478 |
| Legal Block | 3 |
| Legal Lot Number | 73 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 408703 |
Source: Los Angeles County records · APN 8269-090-044
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 | 20643 E OAK CREST DR, DIAMOND BAR, CA 91765-4703 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Personal Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 18, 1997 · Amount on Record |
| Deed Sale | Apr 18, 1997 · Amount on Record |
| Deed Document Number | 1997584778 |
| Last Transfer Date | Jul 11, 2014 |
| Transfer Doc | 0000781405 |
| 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 |
| 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 | $8,720.00 (+10.13%) Homeowner's exemption | $644,094 (+4.04%) Land $200,911 Building $443,183 |
| 2023 | $7,918.00 (+2.76%) Homeowner's exemption | $619,085 Land $193,110 Building $425,975 |
| 2022 | $7,705.00 |
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 46% of the US · above 27% of California |
|---|---|
| Wildfire Likelihood | About 1 in 1,316 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; lenders make the official flood determination.
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