San Bernardino County property records for 12 addresses on Proforma Ave, Ontario, CA · Last verified July 2026
| Properties | 12 |
|---|---|
| Median Sale Price | $2,100,000 |
| Deeds and Mortgages on File | 4 |
| Median Price per Sqft | $61 |
| Owner Occupied | 8% |
| Median Annual Tax Bill | $39,114 |
| Median Year Built | 1995 |
| Median Ownership Tenure | 23 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
114,525 sqft · Built 1996 · 6.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $62,4022025 | 1 Name on Record | AssessorUpdated Jul 2026 |
47,397 sqft · Built 1995 · 3.06 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $39,1142025 | 1 Name on Record | AssessorUpdated Jul 2026 |
269,310 sqft · Built 1998 · 11.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 1998 | $153,3912025 | —Nov 1998 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
37,202 sqft · Built 1999 · 2.06 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,088,000Jan 2011 | $42,2262025 | 1 Name on Record | AssessorUpdated Jul 2026 |
132,552 sqft · Built 1989 · 3.4 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,924,500Feb 2018 | $194,3772025 | —Nov 2013 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | AssessorUpdated Apr 2026 |
46,772 sqft · Built 1989 · 1.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,589,000Apr 1997 | $27,4682025 | 1 Name on Record | AssessorUpdated Jul 2026 |
31,707 sqft · Built 1989 · 0.777 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $25,7692025 | 1 Name on Record | AssessorUpdated Jul 2026 |
33,892 sqft · Built 1989 · 1 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,100,000Oct 2003 | $31,7572025 | —Oct 2003 | 1 Name on Record | AssessorUpdated Jul 2026 |
18,110 sqft · Built 1989 · 0.501 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $800,000Sep 1999 | $12,3382025 | 1 Name on Record | AssessorUpdated Jul 2026 |
73,225 sqft · Built 1997 · 6.17 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $90,8752025 | 1 Name on Record | AssessorUpdated Jul 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1752025 | 1 Name on Record | Assessor + 1 DocumentUpdated Oct 2025 |