Los Angeles County property records for 5 addresses on Copley Dr, Diamond Bar, CA · Last verified June 2026
| Properties | 5 |
|---|---|
| Median Sale Price | $18,750,000 |
| Deeds and Mortgages on File | 4 |
| Median Price per Sqft | $234 |
| Owner Occupied | 40% |
| Median Annual Tax Bill | $246,657 |
| Median Year Built | 1999 |
| Median Ownership Tenure | 23 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
50,745 sqft · Built 1988 · 4.33 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,750,000May 2003 | $159,7142025 | 2 Names on Record | Assessor + 1 DocumentUpdated Jun 2026 |
80,026 sqft · Built 1990 · 6.89 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,750,000May 2003 | $260,6752025 | 2 Names on Record | AssessorUpdated Jun 2026 |
64,478 sqft · Built 1999 · 6.47 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 2005 | —Jan 2005 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
20 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,750,587Aug 1988 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
299,951 sqft · Built 1999 · 9.07 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $16,275,000Dec 2022 | $246,6572025 | Amount on Record Apr 2016 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jun 2026 |
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 |