Contra Costa County property records for 50 addresses on W 20th St, Antioch, CA · Last verified August 2026
| Properties | 50 |
|---|---|
| Median Sale Price | $427,500 |
| Deeds and Mortgages on File | 67 |
| Median Price per Sqft | $355 |
| Owner Occupied | 66% |
| Median Annual Tax Bill | $2,712 |
| Median Year Built | 1949 |
| Median Ownership Tenure | 14 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
19,968 sqft · built 1963 · 0.876 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,8292025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
6,656 sqft · built 1963 · 0.305 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,139,500Nov 2018 | $1,2632025 | Amount on Record Nov 1996 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1 bd · 1 ba · 500 sqft · built 1936 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $42,000Jun 2011 | $1,1782025 | Amount on Record Mar 2011 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 973 sqft · built 1929 · 0.091 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,4722025 | —Jul 2014 | 1 Name on Record | AssessorUpdated Aug 2026 |
3 bd · 1 ba · 1,098 sqft · built 1938 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Apr 2023 | $5,7332025 | Amount on Record Sep 2021 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 678 sqft · built 1928 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $295,000May 2019 | $4,2492025 | Amount on Record Jan 2019 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 905 sqft · built 1927 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $449,000Nov 2022 | $5,8002025 | Amount on Record Jun 2012 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 1.5 ba · 957 sqft · built 1928 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $80,000Oct 2009 | $1,7312025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,431 sqft · built 1950 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $186,000Sep 2014 | $3,0682025 | Amount on Record Apr 2013 | 2 Names on Record | Assessor + 4 DocumentsUpdated Jul 2026 |
0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 2001 | $7482025 | —Feb 2001 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,816 sqft · built 1949 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,8922025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
2 bd · 1 ba · 795 sqft · built 1946 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,6982025 | 1 Name on Record | AssessorUpdated Jul 2026 |
3 bd · 1 ba · 897 sqft · built 1953 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,1852025 | 2 Names on Record | AssessorUpdated Jul 2026 |
2 bd · 1 ba · 579 sqft · built 1935 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 2001 | $1,9112025 | —Feb 2001 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 1,016 sqft · built 1929 · 0.091 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $93,000Aug 1993 | $2,4172025 | —May 2014 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2 bd · 1 ba · 660 sqft · built 1930 · 0.091 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,3722025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1 bd · 1 ba · 760 sqft · built 1927 · 0.086 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $40,000Dec 1978 | $1,4902025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,086 sqft · built 1917 · 0.258 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $53,500Jun 1999 | $1,3272025 | 2 Names on Record | AssessorUpdated Jul 2026 |
4 bd · 1.5 ba · 1,306 sqft · built 1927 · 0.223 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Dec 2025 | $2,6122025 | Amount on Record Jan 2005 | 2 Names on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
3,771 sqft · built 1942 · 0.275 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $62,500Apr 1997 | $5,0452025 | Amount on Record Jan 1997 | 2 Names on Record | AssessorUpdated Jul 2026 |
6 bd · 2 ba · 2,128 sqft · built 1935 · 0.413 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $275,000Jul 2003 | $5,4812025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
9 ba · 8,382 sqft · built 1962 · 0.37 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,375,000Apr 2016 | $24,7412025 | Amount on Record Apr 2010 | 1 Name on Record | AssessorUpdated Jul 2026 |
3,783 sqft · built 1963 · 0.146 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $230,000Nov 1988 | $7,6982025 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
2 bd · 1 ba · 1,610 sqft · built 1927 · 0.378 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $154,000Aug 1999 | $3,2442025 | Amount on Record Dec 1995 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2 ba · 1,560 sqft · built 1937 · 0.344 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $109,500Feb 2011 | $2,6782025 | Amount on Record May 2010 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,328 sqft · built 1979 · 0.258 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $97,000Jun 1986 | $2,5942025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 1.5 ba · 1,730 sqft · built 1927 · 0.309 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $498,500Jun 2021 | $6,6092025 | Amount on Record May 2018 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
3 bd · 1 ba · 1,070 sqft · built 1926 · 0.258 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,6952025 | —Jun 2009 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 1 ba · 1,118 sqft · built 1927 · 0.275 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $344,000Sep 2025 | $2,5252025 | Amount on Record Mar 2015 | 1 Name on Record | AssessorUpdated Jul 2026 |
3 bd · 1 ba · 1,072 sqft · built 1927 · 0.241 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $68,000Jun 1998 | $1,7122025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 2.5 ba · 2,089 sqft · built 1937 · 0.241 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $111,000Jul 2009 | $2,7122025 | Amount on Record Nov 2008 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,510 sqft · built 1930 · 0.241 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $427,000Jul 2020 | $5,7452025 | Amount on Record Mar 2015 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
2 bd · 1 ba · 1,064 sqft · built 1973 · 0.198 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $125,000Dec 2008 | $2,3752025 | Amount on Record Sep 2003 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
2 bd · 1 ba · 1,224 sqft · built 1956 · 0.172 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,2712025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 1 ba · 993 sqft · built 1900 · 0.103 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $390,000Jul 2022 | $5,0362025 | —May 1996 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,201 sqft · built 1977 · 0.185 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $427,500Jul 2020 | $5,6722025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,201 sqft · built 1977 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $96,500Feb 2012 | $4,7102025 | Amount on Record Feb 2011 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,201 sqft · built 1977 · 0.163 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Nov 2020 | $4,8122025 | Amount on Record Jun 1997 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,201 sqft · built 1977 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $210,000Jul 2008 | $5,1282025 | —Mar 2008 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,201 sqft · built 1977 · 0.141 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $127,000Dec 2010 | $2,3952025 | Amount on Record Oct 2010 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,201 sqft · built 1977 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Feb 2020 | $5,4682025 | Amount on Record Apr 2009 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,201 sqft · built 1977 · 0.141 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $455,000Jan 2023 | $5,8692025 | Amount on Record Nov 2004 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,201 sqft · built 1977 · 0.136 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Oct 2024 | $5,6082025 | Amount on Record Aug 2010 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,219 sqft · built 1977 · 0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $184,000Dec 2000 | $4,9252025 | Amount on Record Apr 2000 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,201 sqft · built 1977 · 0.145 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $545,000Jun 2023 | $6,9162025 | Amount on Record Jun 2019 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,155 sqft · built 1977 · 0.165 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,8872025 | —Oct 2007 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,217 sqft · built 1977 · 0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $415,000Mar 2026 | $2,4762025 | Amount on Record Aug 2008 | 1 Name on Record | Assessor + 5 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,182 sqft · built 1977 · 0.146 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $345,000Dec 2017 | $4,8862025 | Amount on Record Mar 2013 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,200 sqft · built 1977 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $118,000Jul 1997 | $2,3932025 | Amount on Record Apr 1997 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,201 sqft · built 1977 · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,2122025 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |