Contra Costa County property records for 57 addresses on Mount Dell Dr, Clayton, CA · Last verified August 2026
| Properties | 57 |
|---|---|
| Median Sale Price | $749,000 |
| Deeds and Mortgages on File | 94 |
| Median Price per Sqft | $437 |
| Owner Occupied | 81% |
| Median Annual Tax Bill | $7,202 |
| Median Year Built | 1975 |
| Median Ownership Tenure | 12 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2 ba · 1,740 sqft · 0.229 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $849,000May 2019 | $11,8032025 | Amount on Record May 2013 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,141 sqft · 0.206 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $521,500Jan 2010 | $8,7012025 | Amount on Record Nov 2009 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 2,141 sqft · 0.231 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Jan 1995 | $6,2792025 | —Jan 1995 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,619 sqft · 0.228 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $935,000Jun 2026 | $8,7692025 | Amount on Record Apr 2011 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 1,919 sqft · 0.243 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Aug 2018 | $11,7382025 | —Aug 2018 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 1,740 sqft · 0.243 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,035,000Dec 2021 | $12,2322025 | Amount on Record Nov 2001 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,658 sqft · 0.069 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $330,000Aug 2011 | $5,8102025 | Amount on Record May 2011 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $355,000May 2002 | $6,9572025 | Amount on Record Jul 2000 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,658 sqft · 0.069 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $595,000Jan 2019 | $8,6392025 | —Apr 2018 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 1,926 sqft · 0.06 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $640,000Apr 2019 | $9,1922025 | Amount on Record Apr 2003 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $365,000Feb 2002 | $7,1862025 | Amount on Record — | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2 ba · 1,813 sqft · 0.088 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $230,000Jul 1998 | $3,4872025 | —Jul 1998 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $590,000Apr 2020 | $8,3582025 | Amount on Record Apr 2004 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 1,813 sqft · 0.088 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $187,000Oct 1994 | $4,6292025 | —Dec 2013 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,9842025 | —Mar 2006 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 1,926 sqft · 0.06 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $700,000Oct 2020 | $9,6742025 | Amount on Record Apr 2004 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 1,926 sqft · 0.06 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $804,000Apr 2025 | $7,4312025 | Amount on Record Jun 2002 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,658 sqft · 0.069 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $200,000Sep 1999 | $3,1332025 | —May 2019 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,658 sqft · 0.069 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $454,500Dec 2014 | $7,1982025 | —Dec 2014 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $750,000Aug 2022 | $9,8502025 | Amount on Record Dec 2016 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 1,813 sqft · 0.088 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $195,000Mar 1996 | $4,8122025 | —Aug 2006 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,658 sqft · 0.069 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $770,000Feb 2021 | $10,5112025 | Amount on Record Aug 2013 | 2 Names on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,0612025 | 2 Names on Record | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 1,926 sqft · 0.06 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $580,000Jun 2015 | $8,9292025 | Amount on Record Nov 2012 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,6672025 | 2 Names on Record | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Sep 2004 | $8,1572025 | —Feb 2004 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 1,926 sqft · 0.06 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $425,000Apr 2012 | $7,2022025 | Amount on Record May 2001 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $161,000Apr 1997 | $4,2052025 | —Apr 1997 | 1 Name on Record | AssessorUpdated Jul 2026 |
4 bd · 2 ba · 1,813 sqft · 0.088 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $198,500Jan 1991 | $5,1202025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,658 sqft · 0.069 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,7202025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2 ba · 1,813 sqft · 0.088 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $699,000Jun 2020 | $9,6732025 | —Jun 2020 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,658 sqft · 0.069 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $385,000May 2003 | $7,4662025 | Amount on Record Jan 1999 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 1,926 sqft · 0.06 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $640,000Aug 2026 | $4,4892025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $440,000Sep 2004 | $8,0042025 | —Dec 2005 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $375,000Mar 2010 | $6,6562025 | Amount on Record Apr 2007 | 1 Name on Record | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $199,000Oct 1999 | $4,6892025 | —Aug 2000 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 2003 | $2,6792025 | —Jul 1998 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,658 sqft · 0.069 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $385,000Mar 2003 | $9,9262025 | Amount on Record Nov 1998 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 1,926 sqft · 0.06 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Dec 1995 | $4,2622025 | Amount on Record Jan 1995 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,658 sqft · 0.069 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $200,000Jan 2000 | $4,7062025 | —Dec 2001 | 2 Names on Record | AssessorUpdated Jul 2026 |
4 bd · 2 ba · 1,813 sqft · 0.088 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $699,000Dec 2025 | $5,1582025 | —Feb 2013 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $770,000Sep 2022 | $10,1572025 | Amount on Record Aug 2018 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,659 sqft · 0.088 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $840,000Jul 2022 | $10,9602025 | Amount on Record May 2018 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 1,926 sqft · 0.06 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,8662025 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $360,000Mar 2013 | $6,0622025 | Amount on Record Sep 2004 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $655,000Jun 2021 | $9,0622025 | Amount on Record Jul 2001 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,310 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $749,000Mar 2022 | $10,0112025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 1,926 sqft · 0.06 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $445,000Nov 2003 | $8,2402025 | Amount on Record Apr 1997 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,442 sqft · 0.069 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,6232025 | —Jan 2023 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,658 sqft · 0.069 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $725,000May 2022 | $9,8062025 | Amount on Record Aug 1996 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2 ba · 1,627 sqft · 0.088 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,8372025 | —Jul 2002 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,658 sqft · 0.069 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $630,000Apr 2020 | $8,8392025 | —Aug 2011 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 1,627 sqft · 0.088 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $790,000Apr 2024 | $5,3602025 | —Sep 2015 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 1,926 sqft · 0.06 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $695,000Jul 2020 | $9,5382025 | Amount on Record Feb 2007 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 1,587 sqft · 0.06 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $600,000Aug 2005 | $10,0082025 | Amount on Record Mar 2002 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,423 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $215,000Dec 1999 | $4,9602025 | Amount on Record Sep 1994 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,310 sqft · 0.048 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $592,000Nov 2019 | $8,3832025 | Amount on Record Dec 2018 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |