Sonoma Ct, Ontario, CA Property Records

San Bernardino County property records for 49 addresses on Sonoma Ct, Ontario, CA · Last verified August 2026

Sonoma Ct Highlights

Properties 49
Median Sale Price $580,000
Deeds and Mortgages on File 74
Median Price per Sqft $371
Owner Occupied 90%
Median Annual Tax Bill $2,599
Median Year Built 1980
Median Ownership Tenure 20 years

Properties on Sonoma Ct

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

428 Sonoma Ct

4 bd · 2 ba · 1,872 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$645,000Jan 2022 $7,5822025 Amount on Record Mar 2012 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

434 Sonoma Ct

3 bd · 2 ba · 1,387 sqft · built 1980 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$127,500May 1997 $2,1812025 Amount on Record Dec 1996 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

439 Sonoma Ct

3 bd · 2 ba · 1,387 sqft · built 1980 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2013 $2,2072025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

440 Sonoma Ct

3 bd · 2 ba · 1,254 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$101,500Apr 1988 $2,1342025 —Sep 2002 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

445 Sonoma Ct

4 bd · 2 ba · 1,872 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3642025 —May 2018 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

446 Sonoma Ct

3 bd · 2 ba · 1,387 sqft · built 1980 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,000Jul 2001 $2,5992025 Amount on Record Jun 1996 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

451 Sonoma Ct

3 bd · 2 ba · 1,387 sqft · built 1980 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$235,000Jan 2011 $3,3852025 Amount on Record Jul 2010 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

452 Sonoma Ct

3 bd · 2 ba · 1,254 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Oct 2010 $2,9582025 Amount on Record Jan 2005 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

457 Sonoma Ct

3 bd · 2 ba · 1,254 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,0652025 —Sep 2025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

458 Sonoma Ct

3 bd · 2 ba · 1,387 sqft · built 1980 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$145,000Nov 1998 $2,4412025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

463 Sonoma Ct

4 bd · 2 ba · 1,554 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,1702025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

464 Sonoma Ct

4 bd · 2 ba · 1,554 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Nov 1996 $2,4962025 —Apr 2024 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

503 Sonoma Ct

4 bd · 3 ba · 1,689 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$681,000Nov 2021 $8,0002025 Amount on Record Nov 2016 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

504 Sonoma Ct

4 bd · 2 ba · 1,872 sqft · built 1980 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$371,000Jul 2004 $5,5122025 Amount on Record Sep 1998 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

509 Sonoma Ct

3 bd · 2 ba · 1,387 sqft · built 1980 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$132,500Apr 1999 $2,3632025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

510 Sonoma Ct

3 bd · 2 ba · 1,387 sqft · built 1980 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,6832025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

515 Sonoma Ct

3 bd · 2 ba · 1,554 sqft · built 1981 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Nov 2001 $2,9192025 Owner on Record AssessorUpdated Jul 2026

516 Sonoma Ct

4 bd · 2 ba · 1,872 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,0102025 —Oct 2006 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

521 Sonoma Ct

3 bd · 2 ba · 1,387 sqft · built 1981 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2015 $2,9082025 Amount on Record May 1999 Owner on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

522 Sonoma Ct

3 bd · 2 ba · 1,254 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,0622025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

527 Sonoma Ct

4 bd · 2.5 ba · 1,820 sqft · built 1981 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,7712025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

528 Sonoma Ct

4 bd · 2 ba · 1,872 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$162,000May 2018 $2,1072025 Amount on Record Dec 1998 2 Owners on Record Assessor + 6 DocumentsUpdated Jul 2026

533 Sonoma Ct

4 bd · 2 ba · 1,872 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,0342025 —Apr 2018 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

534 Sonoma Ct

4 bd · 2 ba · 1,554 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Oct 2020 $5,0952025 —Jan 2017 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

539 Sonoma Ct

4 bd · 2 ba · 1,554 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3722025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

544 Sonoma Ct

3 bd · 2 ba · 1,254 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000May 2011 $3,1682025 Amount on Record Aug 2010 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

545 Sonoma Ct

3 bd · 2 ba · 1,387 sqft · built 1980 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Jun 2009 $3,1852025 Amount on Record Jan 2009 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

550 Sonoma Ct

4 bd · 2 ba · 1,872 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$485,000Oct 2019 $6,2942025 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

551 Sonoma Ct

3 bd · 2 ba · 1,254 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$128,000Oct 1996 $2,5562025 Amount on Record Apr 1996 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

556 Sonoma Ct

4 bd · 2 ba · 1,554 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,200Oct 2012 $5,0442025 Amount on Record Dec 1994 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

557 Sonoma Ct

4 bd · 1.75 ba · 1,872 sqft · built 1983 · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,5392025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

562 Sonoma Ct

4 bd · 2 ba · 1,872 sqft · built 1980 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$395,000Aug 2004 $6,1172025 —Aug 2004 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

613 Sonoma Ct

3 bd · 2 ba · 1,265 sqft · built 1976 · 0.192 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000Dec 1998 $5,6662025 —Jun 1998 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

617 Sonoma Ct

4 bd · 2 ba · 1,260 sqft · built 1976 · 0.154 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Nov 2024 $7,6862025 Amount on Record Dec 2011 2 Owners on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

622 Sonoma Ct

4 bd · 2 ba · 1,260 sqft · built 1976 · 0.228 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Mar 1995 $2,1382025 Amount on Record Jan 1994 Owner on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

623 Sonoma Ct

3 bd · 1 ba · 1,081 sqft · built 1976 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,1652025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

628 Sonoma Ct

3 bd · 1 ba · 1,081 sqft · built 1976 · 0.163 acres

Last Sale Tax Bill Prior Sale Owner Records
$580,000Dec 2023 $6,4992025 —Aug 2006 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

629 Sonoma Ct

3 bd · 2 ba · 1,268 sqft · built 1976 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Dec 1996 $2,0382025 —Jan 2003 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

634 Sonoma Ct

2 bd · 1 ba · 836 sqft · built 1976 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$7462025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

635 Sonoma Ct

4 bd · 2 ba · 1,260 sqft · built 1976 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,5512025 —Sep 2020 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

636 Sonoma Ct

4 bd · 2 ba · 1,986 sqft · built 1976 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$154,000Mar 2000 $2,9542025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

703 Sonoma Ct

3 bd · 2 ba · 1,684 sqft · built 1976 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$148,000Apr 2000 $2,3902025 Amount on Record Jul 1999 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

704 Sonoma Ct

3 bd · 1 ba · 1,081 sqft · built 1976 · 0.163 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jul 2011 $2,7732025 Amount on Record Jun 2004 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

706 Sonoma Ct

2 bd · 1 ba · 1,060 sqft · built 1976 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3532025 2 Owners on Record Assessor + 1 DocumentUpdated Aug 2026

707 Sonoma Ct

3 bd · 1 ba · 1,081 sqft · built 1976 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$435,000Aug 2006 $6,4032025 Amount on Record Jun 1995 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

710 Sonoma Ct

4 bd · 2 ba · 1,500 sqft · built 1976 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$164,000Nov 2001 $1,3132025 —Dec 1993 Owner on Record Owner Occupied AssessorUpdated Jul 2026

711 Sonoma Ct

4 bd · 2 ba · 1,260 sqft · built 1976 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Mar 2000 $2,2102025 —May 2001 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

716 Sonoma Ct

3 bd · 1 ba · 1,081 sqft · built 1976 · 0.163 acres

Last Sale Tax Bill Prior Sale Owner Records
$402,000Nov 2019 $4,8362025 —Oct 2003 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

717 Sonoma Ct

2 bd · 1 ba · 836 sqft · built 1976 · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,4292025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

Property Records in Nearby Streets