Diamond Ct, Upland, CA Property Records

San Bernardino County property records for 35 addresses on Diamond Ct, Upland, CA · Last verified July 2026

Diamond Ct Highlights

Properties 35
Median Sale Price $420,000
Deeds and Mortgages on File 45
Median Price per Sqft $370
Owner Occupied 49%
Median Annual Tax Bill $3,557
Median Year Built 1979
Median Ownership Tenure 22 years

Properties on Diamond Ct

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

431 Diamond Ct

4 ba · 3,952 sqft · 0.273 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$215,000Oct 1988 —May 2003 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

485 Diamond Ct

4 ba · 3,952 sqft · 0.252 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$634,000May 2005 —Jun 2001 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

503 Diamond Ct

2 bd · 1 ba · 3,952 sqft · 0.252 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,020,000Sep 2004 Amount on Record Sep 2002 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

518 Diamond Ct

3 bd · 2 ba · 1,403 sqft · 0.032 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$520,000Apr 2022 $6,1212025 Amount on Record Jul 2004 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

520 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$265,000Aug 2017 $3,4352025 Amount on Record Jan 2005 2 Names on Record Assessor + 4 DocumentsUpdated Jul 2026

522 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$115,000Feb 2002 $1,9472025 Amount on Record Jan 1996 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

524 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$420,000Dec 2022 $4,8882025 Amount on Record Oct 2011 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

526 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1996 $1,8022025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

528 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$450,000May 2023 $5,2242025 —Mar 2023 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

530 Diamond Ct

3 bd · 2 ba · 1,364 sqft · 0.031 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$160,000Feb 2013 $2,3142025 —Jul 2013 1 Name on Record AssessorUpdated Jul 2026

548 Diamond Ct

3 bd · 2 ba · 1,403 sqft · 0.032 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$350,000Mar 2019 $4,3892025 Amount on Record Jan 2014 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

550 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$172,500Oct 2008 $2,5082025 Amount on Record Jul 2008 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

552 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$440,000Aug 2022 $5,1122025 Amount on Record Jul 2017 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

554 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$175,000Dec 2003 $2,8692025 —Dec 2003 1 Name on Record AssessorUpdated Jul 2026

556 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,6332025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

557 Diamond Ct

4 ba · 3,952 sqft · 0.19 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$1,020,000Sep 2004 Amount on Record Sep 2002 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

558 Diamond Ct

3 bd · 2 ba · 1,403 sqft · 0.032 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$265,000Jul 2004 $4,1632025 Amount on Record Jan 1994 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

571 Diamond Ct

4 ba · 3,952 sqft · 0.252 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$272,000Dec 2001 Amount on Record Aug 1999 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

586 Diamond Ct

3 bd · 2 ba · 1,403 sqft · 0.032 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$315,000Nov 2006 $4,7282025 Amount on Record Sep 2000 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

588 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$360,000Dec 2020 $4,3812025 Amount on Record May 2001 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

590 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$117,000Sep 2010 $1,7272025 Amount on Record Oct 2003 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

592 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$278,000Oct 2017 $3,5192025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

594 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jun 2018 $3,5572025 Amount on Record Nov 2009 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

596 Diamond Ct

2 bd · 2 ba · 1,017 sqft · 0.023 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$62,500Aug 1998 $1,1762025 Amount on Record Sep 1997 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

598 Diamond Ct

3 bd · 2 ba · 1,364 sqft · 0.031 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$150,000Jan 2012 $4,8462025 Amount on Record Feb 2006 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

612 Diamond Ct

4 ba · 3,820 sqft · 0.234 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$618,000Dec 2004 $9,4662025 Amount on Record Dec 2002 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

615 Diamond Ct

4 ba · 3,820 sqft · 0.256 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$505,000Jan 2004 Amount on Record Jun 1994 1 Name on Record AssessorUpdated Jul 2026

622 Diamond Ct

4 bd · 4 ba · 3,820 sqft · 0.234 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$379,000Mar 2003 $6,1122025 —Mar 2003 1 Name on Record AssessorUpdated Jul 2026

625 Diamond Ct

4 ba · 3,820 sqft · 0.256 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$505,000Feb 2004 Amount on Record Mar 1994 1 Name on Record AssessorUpdated Jul 2026

650 Diamond Ct

2 bd · 1 ba · 3,820 sqft · 0.234 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$130,000Dec 1996 $2,3772023 Amount on Record Feb 1996 1 Name on Record Assessor + 5 DocumentsUpdated Jul 2026

653 Diamond Ct

4 ba · 3,820 sqft · 0.256 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$770,000Nov 2006 Amount on Record May 1996 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

660 Diamond Ct

4 ba · 3,820 sqft · 0.234 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$289,000Dec 2001 Amount on Record Dec 2000 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

663 Diamond Ct

5 bd · 3 ba · 3,820 sqft · 0.252 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$176,500Mar 1995 —Apr 2003 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

689 Diamond Ct

4 ba · 3,820 sqft · 0.286 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$179,500Dec 1998 Amount on Record Apr 1997 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

693 Diamond Ct

4 ba · 3,820 sqft · 0.407 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$145,000Aug 1995 $2,8062025 Amount on Record Mar 1995 2 Names on Record AssessorUpdated Jul 2026

Property Records in Nearby Streets