Los Angeles County property records for 4 addresses on Gateway Center Dr, Diamond Bar, CA · Last verified September 2026
| Properties | 4 |
|---|---|
| Median Sale Price | $18,875,000 |
| Deeds and Mortgages on File | 4 |
| Median Price per Sqft | $224 |
| Owner Occupied | 25% |
| Median Annual Tax Bill | $186,905 |
| Median Year Built | 1999 |
| Median Ownership Tenure | 2 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
26,098 sqft · built 2007 · 2.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $746,507Dec 1989 | $61,2632025 | Owner on Record | AssessorUpdated Sep 2026 |
84,188 sqft · built 1999 · 1.19 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,875,000Jul 2024 | $186,9052025 | —Oct 2002 | Owner on Record | AssessorUpdated Sep 2026 |
84,188 sqft · built 1999 · 1.19 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,875,000Jul 2024 | $186,9782025 | Amount on Record Jul 2023 | Owner on Record | Assessor + 2 DocumentsUpdated Sep 2026 |
84,234 sqft · built 1989 · 3.53 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,100,000Apr 2004 | $152,1592025 | —Oct 1997 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |