San Bernardino County property records for 17 addresses on S Carlos Ave, Ontario, CA · Last verified October 2026
| Properties | 17 |
|---|---|
| Median Sale Price | $44,572,000 |
| Deeds and Mortgages on File | 19 |
| Median Price per Sqft | $312 |
| Owner Occupied | 29% |
| Median Annual Tax Bill | $24,510 |
| Median Year Built | 1991 |
| Median Ownership Tenure | 9 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1420 S Carlos Ave |
10,377 sqft built 1991 · 0.719 acres | $2,140,000 Jul 2026 | $30,576 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1440 S Carlos Ave |
9,248 sqft built 1991 · 0.538 acres | $770,000 Jun 2003 | $11,157 2025 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1441, #1 S Carlos Ave |
16,196 sqft built 2001 · 1 acre | $1,146,000 Jul 2002 | $17,754 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1451, #2 S Carlos Ave |
21,787 sqft built 2001 · 1.55 acres | — Feb 2006 | $26,875 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1460 S Carlos Ave |
8,109 sqft built 1991 · 0.459 acres | $358,000 Feb 1996 | $8,879 2025 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1480 S Carlos Ave |
10,248 sqft built 1991 · 0.689 acres | $1,460,000 Mar 2020 | $24,510 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1501 S Carlos Ave |
12,319 sqft built 1988 · 0.688 acres | $9,817 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1511 S Carlos Ave |
9,442 sqft built 1988 · 0.583 acres | — Sep 2001 | $9,251 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1521 S Carlos Ave |
9,354 sqft built 1987 · 0.592 acres | $1,832,500 Jun 2018 | $22,271 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1531 S Carlos Ave |
7,036 sqft built 1987 · 0.353 acres | $695,000 Jan 2014 | $9,112 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1651 S Carlos Ave |
147,279 sqft built 1989 · 6.01 acres | $44,572,000 Nov 2024 | $475,563 2025 | Assessor + 4 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1720, #B S Carlos Ave |
43,456 sqft built 2001 · 1.98 acres | $13,600,000 Jun 2024 | $148,009 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1751 S Carlos Ave |
16,948 sqft built 1986 · 0.926 acres | $1,472,000 Nov 2005 | $21,507 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1801 S Carlos Ave |
414,543 sqft built 2012 · 17.2 acres | — Sep 2007 | $367,760 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1840 S Carlos Ave |
62,305 sqft built 1995 · 3 acres | $91,000,000 May 2017 | $98,426 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1910 S Carlos Ave |
85,533 sqft built 1991 · 3.8 acres | $91,000,000 May 2017 | $135,008 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
2030 S Carlos Ave |
46,413 sqft built 1988 · 2.38 acres | $50,200,000 May 2017 | $72,588 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |