San Bernardino County property records for 23 addresses on S Wanamaker Ave, Ontario, CA · Last verified July 2026
| Properties | 23 |
|---|---|
| Median Sale Price | $31,960,000 |
| Deeds and Mortgages on File | 29 |
| Median Price per Sqft | $369 |
| Owner Occupied | 22% |
| Median Annual Tax Bill | $50,446 |
| Median Year Built | 1988 |
| Median Ownership Tenure | 13 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3.5 ba · 195,093 sqft · 8.78 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,230,000Jun 2004 | $164,9182025 | —Jun 2004 | 1 Name on Record | AssessorUpdated Jul 2026 |
37,587 sqft · Built 1998 · 2.33 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $22,8392025 | 1 Name on Record | AssessorUpdated Jul 2026 |
83,911 sqft · Built 2005 · 3.63 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $31,960,000Jun 2022 | $359,0022025 | —Jul 2016 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
155,076 sqft · Built 1991 · 7.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $62,040,000Jun 2022 | $696,8592025 | —Jul 2016 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
67,713 sqft · Built 1994 · 4.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Aug 1997 | $41,1942025 | 1 Name on Record | AssessorUpdated Jul 2026 |
56,070 sqft · Built 1986 · 2.75 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jul 2021 | $24,2492025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
71,832 sqft · Built 1989 · 3.7 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,500,000Apr 1997 | $42,8132025 | —Dec 2012 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
53,395 sqft · Built 1989 · 2.52 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jun 1997 | $95,1922025 | —Jun 1997 | 1 Name on Record | AssessorUpdated Jul 2026 |
136,800 sqft · Built 1986 · 5.75 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Aug 1999 | $95,3592025 | —Nov 1996 | 1 Name on Record | AssessorUpdated Jul 2026 |
37,537 sqft · Built 1990 · 1.93 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,625,000Nov 2015 | $58,1842025 | Sale Amount Jun 2013 | 1 Name on Record | AssessorUpdated Jul 2026 |
41,118 sqft · Built 1986 · 2.5 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,235,000Feb 2013 | $42,4222025 | Sale Amount Apr 2001 | 1 Name on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
27,423 sqft · Built 1989 · 1.48 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2003 | $29,6432025 | Sale Amount Feb 2001 | 1 Name on Record | AssessorUpdated Jul 2026 |
54,900 sqft · Built 1984 · 2.65 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,850,000Oct 2012 | $50,4462025 | —Mar 2012 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
33,462 sqft · Built 1984 · 1.51 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,900,000Nov 2020 | $79,1202025 | —Jan 2008 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
20,100 sqft · Built 1984 · 1.6 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 2015 | $17,4622025 | —Aug 1998 | 1 Name on Record | AssessorUpdated Jul 2026 |
90,317 sqft · Built 2020 · 4.03 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $45,563,000Aug 2020 | $175,3362025 | Sale Amount Feb 2019 | 1 Name on Record | Assessor + 4 DocumentsUpdated Jul 2026 |
53,196 sqft · Built 1988 · 3.06 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,200,000Dec 2006 | $74,1412025 | Sale Amount Oct 2005 | 1 Name on Record | AssessorUpdated Jul 2026 |
178,215 sqft · Built 2020 · 7.88 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $45,563,000Aug 2020 | $347,5812025 | Sale Amount Feb 2019 | 1 Name on Record | Assessor + 4 DocumentsUpdated Jul 2026 |
43,426 sqft · Built 1986 · 2.56 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,074,000Sep 2012 | $40,3342025 | —Feb 2009 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
14,360 sqft · Built 1988 · 0.929 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,300,000May 2023 | $58,4082025 | Sale Amount Sep 2016 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
14,096 sqft · Built 1988 · 0.675 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,476,000May 2022 | $50,2812025 | Sale Amount Mar 2002 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
21,062 sqft · Built 1988 · 1.18 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,750,000Sep 2009 | $24,0252025 | Sale Amount Jan 2003 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
27,743 sqft · Built 1988 · 1.33 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jun 2005 | $28,0162025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |