William St, Pomona, CA Property Records

Los Angeles County property records for 53 addresses on William St, Pomona, CA · Last verified August 2026

William St Highlights

Properties 53
Median Sale Price $620,000
Deeds and Mortgages on File 85
Median Price per Sqft $517
Owner Occupied 64%
Median Annual Tax Bill $4,682
Median Year Built 1912
Median Ownership Tenure 22 years

Properties on William St

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

505 William St

2 bd · 2 ba · 918 sqft · 0.106 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Apr 2012 $3,1032025 Amount on Record Dec 2011 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

523 William St

2 bd · 1 ba · 1,028 sqft · 0.176 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$315,000May 2015 $5,2262025 Amount on Record Nov 2014 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

535 William St

1 bd · 1 ba · 962 sqft · 0.176 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$285,000Apr 2005 $5,4652025 Amount on Record Jun 2003 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

547 William St

9 bd · 4 ba · 3,544 sqft · 0.176 acres

Last Sale Tax Bill Prior Sale Owner Records
$105,000Oct 1998 $5,5632025 Amount on Record Apr 1998 2 Names on Record AssessorUpdated Aug 2026

563 William St

3 bd · 1 ba · 848 sqft · 0.176 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$355,000Mar 2006 $8,7472025 Amount on Record Jul 1998 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

576 William St

3 bd · 1 ba · 687 sqft · 0.058 acres

Last Sale Tax Bill Prior Sale Owner Records
$460,000Sep 2025 $4,4142025 Amount on Record Jan 2017 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

577 William St

4 bd · 2 ba · 1,822 sqft · 0.176 acres

Last Sale Tax Bill Prior Sale Owner Records
$172,000Nov 2001 $3,9412025 2 Names on Record Assessor + 2 DocumentsUpdated Jun 2026

580 William St

1 bd · 1 ba · 682 sqft · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$48,000Feb 1999 $1,4702025 Amount on Record Sep 1997 2 Names on Record AssessorUpdated Jun 2026

594 William St

2 bd · 1 ba · 912 sqft · 0.081 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,0532025 —Nov 2007 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

600 William St

4 bd · 2 ba · 2,296 sqft · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2019 $7,9912025 Amount on Record May 2016 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jun 2026

605 William St

2 bd · 1 ba · 780 sqft · 0.119 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$132,000Apr 2002 $4,5172025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

620 William St

3 bd · 1 ba · 1,225 sqft · 0.161 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$230,000May 2010 $4,3092025 Amount on Record Feb 2010 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

621 William St

3 bd · 1 ba · 1,247 sqft · 0.194 acres

Last Sale Tax Bill Prior Sale Owner Records
$315,000Aug 2017 $5,0582025 Amount on Record Nov 2011 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

628 William St

1,216 sqft · Built 1915 · 0.161 acres

Last Sale Tax Bill Prior Sale Owner Records
$32,000Nov 1976 $3922025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

634 William St

5 bd · 2 ba · 1,784 sqft · 0.161 acres

Last Sale Tax Bill Prior Sale Owner Records
$110,727Sep 1993 $2,9382025 2 Names on Record Assessor + 3 DocumentsUpdated Aug 2026

641 William St

3 bd · 1 ba · 1,398 sqft · 0.194 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$220,000Aug 2003 $5,5132025 —Jul 2004 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

645 William St

8 bd · 4 ba · 3,015 sqft · 0.159 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Mar 1998 $5,0992025 Amount on Record Dec 1997 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

646 William St

3 bd · 1 ba · 1,100 sqft · 0.161 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$380,000Jul 2019 $5,7442025 Amount on Record Apr 2013 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jun 2026

651 William St

3 bd · 1 ba · 1,362 sqft · 0.161 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$126,000Jul 2009 $2,5692025 Amount on Record Dec 2008 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jun 2026

654 William St

4 bd · 2 ba · 1,750 sqft · 0.159 acres

Last Sale Tax Bill Prior Sale Owner Records
$620,000Dec 2021 $8,8232025 Amount on Record Nov 2001 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

659 William St

5 bd · 4 ba · 3,044 sqft · 0.194 acres

Last Sale Tax Bill Prior Sale Owner Records
$221,000Jan 1994 $5,8382025 —Dec 2010 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

662 William St

2 bd · 1 ba · 1,300 sqft · 0.161 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$106,500Jun 1997 $2,6962025 —Jun 1997 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

670 William St

3 bd · 2 ba · 1,224 sqft · 0.161 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$95,000Dec 1990 $2,3972025 —Dec 2004 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

677 William St

3 bd · 1 ba · 1,128 sqft · 0.21 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$645,000Dec 2023 $8,7342025 Amount on Record Aug 2014 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

682 William St

3 bd · 1 ba · 1,220 sqft · 0.161 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$350,000Dec 2017 $5,5032025 Amount on Record Sep 2012 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

716 William St

5 bd · 2 ba · 2,396 sqft · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$138,000Sep 1999 $3,3702025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

728 William St

2 bd · 2 ba · 1,422 sqft · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,000Jul 1995 $6,2592025 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

735 William St

2 bd · 1 ba · 1,207 sqft · 0.102 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$110,000Mar 1998 $3,4842025 Amount on Record Jul 1997 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

740 William St

2 bd · 2 ba · 1,453 sqft · 0.152 acres

Last Sale Tax Bill Prior Sale Owner Records
$195,000Sep 2010 $3,7452025 Amount on Record Jul 2006 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

741 William St

2 bd · 1 ba · 840 sqft · 0.146 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$435,000Jan 2022 $6,2152025 Amount on Record Sep 2008 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

748 William St

4 bd · 2 ba · 1,370 sqft · 0.209 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,7522025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

749 William St

3 bd · 1 ba · 1,080 sqft · 0.163 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$538,000Nov 2021 $7,6652025 Amount on Record Nov 2014 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

760 William St

5 bd · 2 ba · 2,808 sqft · 0.153 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 1993 $4,4692025 —Sep 1993 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

761 William St

2 bd · 1 ba · 1,025 sqft · 0.158 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,9172025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

766 William St

2 bd · 1 ba · 1,140 sqft · 0.163 acres

Last Sale Tax Bill Prior Sale Owner Records
$118,000Mar 1990 $3,2792025 —Jun 2003 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

769 William St

3 bd · 1 ba · 1,362 sqft · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$283,200Dec 2004 $5,4772025 Amount on Record Mar 2004 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

778 William St

8 bd · 3 ba · 3,073 sqft · 0.188 acres

Last Sale Tax Bill Prior Sale Owner Records
$354,000Feb 2004 $7,0722025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

785 William St

5 bd · 3 ba · 1,743 sqft · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Dec 2003 $4,6822025 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

792 William St

2 bd · 1 ba · 992 sqft · 0.132 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$115,000Jan 2004 $3,6752025 —Jan 2004 1 Name on Record AssessorUpdated Jun 2026

793 William St

3 bd · 2 ba · 1,320 sqft · 0.162 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$119,500Apr 1989 $3,4282025 2 Names on Record Assessor + 2 DocumentsUpdated Jul 2026

794 William St

4 bd · 1 ba · 1,466 sqft · 0.151 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$155,000Nov 2010 $3,0502025 —Nov 2010 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

795 William St

2 bd · 1 ba · 1,384 sqft · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$140,000Sep 2000 $3,6642025 Amount on Record Oct 1999 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

804 William St

11 bd · 5 ba · 4,837 sqft · 0.385 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,400,000Sep 2025 $10,7992025 Amount on Record Aug 2018 1 Name on Record Assessor + 3 DocumentsUpdated Jun 2026

809 William St

3 bd · 1 ba · 1,871 sqft · 0.115 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$630,000May 2023 $8,7412025 Amount on Record Dec 2020 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

815 William St

2 bd · 1 ba · 1,275 sqft · 0.175 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 1993 $3,0132025 —Jul 2021 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

825 William St

3 bd · 1 ba · 1,064 sqft · 0.157 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$590,000Mar 2025 $7,9142025 Amount on Record Nov 2004 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

830 William St

4 bd · 2 ba · 1,604 sqft · 0.159 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,0162025 —Jul 2003 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

834 William St

4 bd · 3 ba · 1,732 sqft · 0.161 acres

Last Sale Tax Bill Prior Sale Owner Records
$162,000Dec 1989 $11,3952025 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

835 William St

3 bd · 2 ba · 1,500 sqft · 0.158 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000May 1995 $6,0152025 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

840 William St

2 bd · 1 ba · 960 sqft · 0.215 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$285,000Dec 2004 $7,0532025 Amount on Record Aug 1994 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

845 William St

3 bd · 1 ba · 1,097 sqft · 0.202 acres

Last Sale Tax Bill Prior Sale Owner Records
$395,000Mar 2006 $7,5832025 Amount on Record Nov 2004 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

853 William St

24 bd · 8 ba · 9,090 sqft · 0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,150,000Mar 1999 $2,1632025 Amount on Record Jun 1995 1 Name on Record AssessorUpdated Aug 2026

857 William St

60 bd · 21 ba · 23,176 sqft · 1.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,4042025 1 Name on Record AssessorUpdated Aug 2026

Property Records in Nearby Streets