Contra Costa County property records for 54 addresses on Knollpark Cir, Antioch, CA · Last verified August 2026
| Properties | 54 |
|---|---|
| Median Sale Price | $585,000 |
| Deeds and Mortgages on File | 86 |
| Median Price per Sqft | $338 |
| Owner Occupied | 52% |
| Median Annual Tax Bill | $4,527 |
| Median Year Built | 1989 |
| Median Ownership Tenure | 14 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.109 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $250,000Sep 2012 | $4,0912025 | —Sep 2012 | 1 Name on Record | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 1,514 sqft · built 1989 · 0.109 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000Sep 1998 | $3,6602025 | —Oct 2002 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 1,813 sqft · built 1989 · 0.096 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Aug 2014 | $3,8702025 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 2,004 sqft · built 1989 · 0.101 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $190,000Jun 2011 | $3,3712025 | Amount on Record May 2010 | 2 Names on Record | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 1,514 sqft · built 1989 · 0.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $630,000Oct 2024 | $7,6932025 | Amount on Record Jun 2017 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.101 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $470,000May 2018 | $6,6272025 | Amount on Record Feb 2017 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,004 sqft · built 1989 · 0.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $215,000May 2010 | $3,7522025 | Amount on Record Sep 2003 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 1,813 sqft · built 1989 · 0.101 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,0422025 | —Jul 2001 | 1 Name on Record | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 1,813 sqft · built 1989 · 0.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Nov 1995 | $3,6732025 | —May 2017 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,004 sqft · built 1990 · 0.101 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $390,000Aug 2015 | $5,8102025 | Amount on Record Sep 2002 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,004 sqft · built 1989 · 0.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000Dec 1996 | $3,7922025 | —Dec 1996 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 1,514 sqft · built 1988 · 0.101 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $190,000Apr 2009 | $3,3852025 | Amount on Record Sep 2008 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 1,813 sqft · built 1989 · 0.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $148,500Dec 1988 | $3,7632025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.101 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $229,000Mar 2000 | $4,5272025 | —May 1999 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,7222025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 2,004 sqft · built 1989 · 0.101 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $339,000Jan 2015 | $5,1242025 | Amount on Record Sep 2011 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2.5 ba · 1,514 sqft · built 1989 · 0.099 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $138,500Dec 1988 | $3,5452025 | 1 Name on Record | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.102 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $169,000Jun 1995 | $3,8602025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 1,813 sqft · built 1989 · 0.118 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $223,000Jun 2012 | $5,9922025 | Amount on Record Dec 2011 | 1 Name on Record | AssessorUpdated Jul 2026 |
4 bd · 3 ba · 2,004 sqft · built 1989 · 0.107 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $246,000Jun 2000 | $4,8972025 | —Jun 2000 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3 ba · 2,004 sqft · built 1989 · 0.128 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,9672025 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 1,813 sqft · built 1989 · 0.104 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $210,000Apr 2009 | $3,6732025 | Amount on Record Apr 2009 | 1 Name on Record | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.119 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000May 2026 | $3,4402025 | —Aug 1998 | 2 Names on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,412 sqft · built 1989 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Jan 2012 | $2,9742025 | Amount on Record Aug 2006 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,004 sqft · built 1989 · 0.19 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $227,000Nov 2009 | $3,9322025 | Amount on Record Jul 2009 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,514 sqft · built 1989 · 0.141 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $345,000Mar 2016 | $5,1572025 | Amount on Record Jun 1997 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.133 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $325,000Jul 2014 | $4,9422025 | Amount on Record Mar 2014 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,514 sqft · built 1989 · 0.095 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $600,000Jun 2021 | $7,3682025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 1,813 sqft · built 1989 · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $585,000Feb 2023 | $7,4622025 | Amount on Record Apr 2019 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,412 sqft · built 1989 · 0.098 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $435,000Nov 2004 | $7,0892025 | Amount on Record Oct 1999 | 1 Name on Record | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,1172025 | —Feb 2021 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 2,004 sqft · built 1989 · 0.107 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $102,500Aug 2004 | $3,7012025 | Amount on Record Nov 1996 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3 ba · 2,004 sqft · built 1989 · 0.161 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $222,000Dec 2009 | $3,8602025 | Amount on Record Dec 2009 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 1,813 sqft · built 1989 · 0.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $182,000Jun 2012 | $3,2052025 | Amount on Record Jul 1999 | 1 Name on Record | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.145 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $550,000Oct 2020 | $7,3122025 | Amount on Record Aug 1999 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.106 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $628,000Apr 2021 | $8,2482025 | —Jun 2019 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,412 sqft · built 1989 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Oct 2011 | $2,9742025 | Amount on Record Sep 2011 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 1,813 sqft · built 1989 · 0.102 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $215,000Nov 2009 | $3,7522025 | Amount on Record Jan 2005 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.092 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $468,000Mar 2018 | $6,6022025 | —Sep 2021 | 2 Names on Record | Assessor + 5 DocumentsUpdated Aug 2026 |
3 bd · 2.5 ba · 1,514 sqft · built 1988 · 0.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $512,000Oct 2020 | $6,8452025 | Amount on Record Dec 2018 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.096 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $425,000Jan 2017 | $6,1632025 | Amount on Record May 2002 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,004 sqft · built 1989 · 0.096 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $480,000Nov 2018 | $6,6352025 | —Apr 2019 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2.5 ba · 1,514 sqft · built 1989 · 0.096 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $159,000May 2009 | $2,6582025 | Amount on Record Dec 2008 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 2,004 sqft · built 1989 · 0.157 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $368,000May 2014 | $5,7002025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,412 sqft · built 1989 · 0.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $423,000May 2019 | $5,9252025 | Amount on Record Jun 2009 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 1,813 sqft · built 1988 · 0.131 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $750,000Mar 2022 | $7,7332025 | Amount on Record Sep 2021 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.104 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Jan 2010 | $3,0312025 | Amount on Record May 2009 | 2 Names on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.117 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $582,000Feb 2007 | $7,8902025 | Amount on Record Aug 2003 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 1,813 sqft · built 1988 · 0.106 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $325,000Feb 2014 | $5,1032025 | Amount on Record Nov 2008 | 1 Name on Record | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 1,514 sqft · built 1989 · 0.104 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $571,000Apr 2021 | $7,5592025 | Amount on Record Jun 2016 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,004 sqft · built 1989 · 0.093 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $441,000May 2004 | $8,0652025 | Amount on Record Jan 1999 | 2 Names on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 1,813 sqft · built 1989 · 0.103 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000Jun 2015 | $5,6202025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 1,915 sqft · built 1989 · 0.103 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $220,000Dec 2012 | $3,6782025 | Amount on Record Feb 1998 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,412 sqft · built 1989 · 0.117 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $430,000May 2019 | $6,0192025 | Amount on Record Apr 2019 | 2 Names on Record | Assessor + 4 DocumentsUpdated Jul 2026 |