Contra Costa County property records for 46 addresses on Mammoth Way, Antioch, CA · Last verified August 2026
| Properties | 46 |
|---|---|
| Median Sale Price | $820,000 |
| Deeds and Mortgages on File | 80 |
| Median Price per Sqft | $250 |
| Owner Occupied | 85% |
| Median Annual Tax Bill | $7,096 |
| Median Year Built | 2001 |
| Median Ownership Tenure | 14 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3.5 ba · 2,813 sqft · built 2002 · 0.28 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $900,000Apr 2022 | $9,2742025 | Amount on Record Apr 2008 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
5 bd · 4 ba · 3,402 sqft · built 2002 · 0.255 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $950,000Oct 2022 | $11,1682025 | Amount on Record Apr 2003 | 2 Names on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 2,999 sqft · built 2002 · 0.218 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $374,000Apr 2002 | $7,0962025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 2,813 sqft · built 2001 · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $34,850May 2001 | $6,2682025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 3.5 ba · 2,769 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $341,000May 2001 | $6,1552025 | —May 2001 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 4 ba · 3,402 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $590,000Jun 2018 | $7,6422025 | Amount on Record Oct 2015 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 2,813 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $395,000Sep 2008 | $5,9352025 | Amount on Record May 2008 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 3 ba · 2,999 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $264,500Mar 2012 | $4,1522025 | Amount on Record Nov 2011 | 1 Name on Record | AssessorUpdated Jul 2026 |
5 bd · 4 ba · 2,991 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $300,000Jan 2013 | $4,5472025 | Amount on Record Nov 2004 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5 bd · 3 ba · 2,813 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $430,000Sep 2016 | $5,9082025 | Amount on Record Dec 2004 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5 bd · 2.5 ba · 2,999 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $235,000May 2012 | $6,7602025 | Amount on Record Apr 2006 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
5 bd · 4 ba · 2,991 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $630,000Aug 2004 | $8,6052025 | Amount on Record Oct 2001 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,813 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $493,000Feb 2004 | $8,6052025 | Amount on Record Dec 2001 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 3.5 ba · 2,999 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $597,000Jul 2019 | $7,5232025 | Amount on Record Jan 2010 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
5 bd · 4 ba · 2,991 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $289,500Jul 2011 | $4,4122025 | Amount on Record Nov 2001 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 2.5 ba · 2,813 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $280,000Nov 2010 | $4,4342025 | Amount on Record Jun 2005 | 2 Names on Record | AssessorUpdated Jul 2026 |
5 bd · 4 ba · 2,991 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $290,000Sep 2013 | $5,1722025 | Amount on Record Mar 2005 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 3,092 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $300,000Mar 2009 | $4,7232025 | Amount on Record Feb 2005 | 2 Names on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 3,357 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $588,000Jun 2004 | $8,2802025 | Amount on Record Dec 2001 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3.5 ba · 3,530 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $755,000Oct 2020 | $9,2482025 | Amount on Record Aug 2001 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
5 bd · 3 ba · 3,357 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $445,000Aug 2001 | $7,7352025 | —Dec 2017 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3.5 ba · 3,530 sqft · built 2001 · 0.158 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $387,000Apr 2002 | $6,8242025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5 bd · 3 ba · 3,588 sqft · built 2001 · 0.186 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $340,000Feb 2009 | $5,1902025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 3 ba · 3,357 sqft · built 2001 · 0.165 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $420,000Sep 2001 | $7,6192025 | —Sep 2001 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3.5 ba · 3,530 sqft · built 2001 · 0.158 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $334,000May 2011 | $5,0872025 | Amount on Record Feb 2011 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3.5 ba · 3,596 sqft · built 2001 · 0.196 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $900,000Jun 2024 | $10,3062025 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 3,092 sqft · built 2001 · 0.15 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $576,500Oct 2018 | $7,3422025 | Amount on Record Oct 2018 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
5 bd · 3 ba · 3,092 sqft · built 2001 · 0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $820,000Dec 2021 | $9,0882025 | Amount on Record Jun 2007 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 3,357 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $735,000Apr 2023 | $8,6232025 | Amount on Record Feb 2023 | 2 Names on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jul 2026 |
4 bd · 3.5 ba · 3,530 sqft · built 2001 · 0.215 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $635,000Jun 2019 | $8,1052025 | Amount on Record May 2009 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 3.5 ba · 3,596 sqft · built 2001 · 0.157 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $371,500Aug 2001 | $6,8672025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 3,357 sqft · built 2001 · 0.233 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $428,000Dec 2014 | $6,0692025 | Amount on Record Feb 2002 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3.5 ba · 3,530 sqft · built 2001 · 0.162 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $800,000Aug 2023 | $9,2352025 | Amount on Record Aug 2019 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 3,092 sqft · built 2001 · 0.253 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $615,000May 2019 | $7,8712025 | Amount on Record Feb 2002 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 3,357 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $785,000Jun 2023 | $9,2422025 | Amount on Record Nov 2016 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 3,357 sqft · built 2001 · 0.246 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $436,000Nov 2001 | $9,0362025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 3 ba · 3,092 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $512,000Dec 2016 | $6,9062025 | Amount on Record Dec 2009 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 3.5 ba · 3,596 sqft · built 2001 · 0.228 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $197,500Aug 2017 | $4,6242025 | Amount on Record Jan 2012 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3.5 ba · 3,596 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $335,000Apr 2017 | $6,5792025 | —May 2014 | 2 Names on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 3,092 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $225,000Dec 2004 | $4,6362025 | Amount on Record Feb 2002 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5 bd · 3 ba · 3,357 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $378,500May 2002 | $6,6202025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3.5 ba · 3,596 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $766,000Jun 2006 | $8,5432025 | Amount on Record Apr 2002 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 3 ba · 3,092 sqft · built 2001 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $369,500May 2002 | $6,4822025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3.5 ba · 3,530 sqft · built 2001 · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $584,000Jan 2019 | $7,5082025 | Amount on Record Oct 2009 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 3,357 sqft · built 2002 · 0.141 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $312,000Jan 2011 | $4,8652025 | Amount on Record Jul 2010 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3.5 ba · 3,530 sqft · built 2002 · 0.196 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $789,000Apr 2005 | $9,0782025 | Amount on Record Jan 2004 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | High this street's cells rank above 73% of the US · above 49% of California |
|---|---|
| Wildfire Likelihood | About 1 in 220 per year |
| Exposure | Direct 1 of 4 cells directly exposed · 3 adjoin burnable vegetation |