E 18th St, Antioch, CA Property Records

Contra Costa County property records for 85 addresses on E 18th St, Antioch, CA · Last verified August 2026

E 18th St Highlights

Properties 85
Median Sale Price $800,000
Deeds and Mortgages on File 123
Median Price per Sqft $332
Owner Occupied 33%
Median Annual Tax Bill $7,412
Median Year Built 1963
Median Ownership Tenure 10 years

Properties on E 18th St

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

20 E 18th St

12,592 sqft · Built 1959 · 1.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,600,000Feb 2026 $33,5682025 —Dec 2006 1 Name on Record Assessor + 7 DocumentsUpdated Jul 2026

41 E 18th St

5,000 sqft · Built 1964 · 0.582 acres

Last Sale Tax Bill Prior Sale Owner Records
$972,000Aug 2024 $13,1352025 Amount on Record Jun 2014 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

55 E 18th St

10,017 sqft · Built 1970 · 1.01 acres

Last Sale Tax Bill Prior Sale Owner Records
$6712025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

63 E 18th St

6,000 sqft · Built 1969 · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$900,000Apr 2024 $12,1252025 Amount on Record Mar 1996 2 Names on Record Assessor + 2 DocumentsUpdated Jul 2026

71 E 18th St

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Aug 2017 $1,0552025 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

77 E 18th St

8,876 sqft · Built 1966 · 0.413 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$700,000Aug 2017 $10,5042025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

100 E 18th St

936 sqft · Built 1963 · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$105,000Dec 2013 $2,4822025 Amount on Record Sep 2011 1 Name on Record AssessorUpdated Jul 2026

111 E 18th St

32,462 sqft · Built 1976 · 2.81 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,150,000Apr 2021 $40,0372025 —Jan 2003 1 Name on Record Assessor + 5 DocumentsUpdated Aug 2026

200 E 18th St

2,924 sqft · Built 1969 · 0.476 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Jun 2010 $10,6132025 Amount on Record May 2010 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

201 E 18th St

27,450 sqft · Built 1973 · 2.17 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,350,000Mar 2017 $1,2692025 Amount on Record Jul 2002 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

212 E 18th St

1,064 sqft · Built 1969 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$285,000Jun 2015 $5,7672025 —Jun 2015 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

225 E 18th St

1,056 sqft · Built 1958 · 0.243 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Sep 2020 $5,4532025 —Sep 2020 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

300 E 18th St

3,310 sqft · Built 1989 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,000,000Mar 2020 $34,2912025 Amount on Record Nov 2019 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

301 E 18th St

0.312 acres

Last Sale Tax Bill Prior Sale Owner Records
$120,000Feb 2020 $1,5632025 Amount on Record Jan 2019 2 Names on Record Assessor + 3 DocumentsUpdated Jul 2026

309 E 18th St

1,920 sqft · Built 2009 · 0.329 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$125,000Jul 2008 $7,4122025 Amount on Record Jan 2007 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

317 E 18th St

2,511 sqft · Built 1967 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Aug 2014 $17,5032025 Amount on Record Dec 2006 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

320 E 18th St

4,991 sqft · Built 1992 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$565,000Apr 2015 $7,7942025 Amount on Record Apr 2011 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

400 E 18th St

1,153 sqft · Built 1960 · 0.211 acres

Last Sale Tax Bill Prior Sale Owner Records
$425,000Feb 2005 $9,0122025 —Sep 2014 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

405 E 18th St

1,360 sqft · Built 1994 · 0.116 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$375,000Nov 2020 $5,2152025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

411 E 18th St

4,400 sqft · Built 1988 · 0.367 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,000Sep 1983 $7,0712025 1 Name on Record AssessorUpdated Jul 2026

412 E 18th St

7,961 sqft · Built 1945 · 0.636 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,9692025 —Nov 2015 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

415 E 18th St, #417

3,200 sqft · Built 1987 · 0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$645,000Mar 2004 $7,3782025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

418 E 18th St

2,000 sqft · Built 1982 · 0.195 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 1993 $6,3602025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

504 E 18th St

0.084 acres

Last Sale Tax Bill Prior Sale Owner Records
$8462025 —Feb 2020 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

507 E 18th St

1,160 sqft · Built 1965 · 0.225 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$550,000Dec 2019 $7,3382025 —Sep 1999 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

511 E 18th St

1,655 sqft · Built 1949 · 0.379 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$52,500May 2017 $6,2152025 Amount on Record Oct 2015 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

515 E 18th St

11,040 sqft · Built 1964 · 0.569 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,700,000Mar 2004 $35,3902025 Amount on Record Jun 2000 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

520 E 18th St

16,130 sqft · Built 1957 · 0.726 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,350,000Oct 2000 $25,8152025 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

524 E 18th St

1,658 sqft · Built 1905 · 0.559 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,000Nov 2003 $4,3792025 Amount on Record May 2001 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

525 E 18th St

8,855 sqft · Built 1951 · 0.719 acres

Last Sale Tax Bill Prior Sale Owner Records
$800,000Nov 2025 $1,4162025 Amount on Record Jan 2012 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

600 E 18th St

1,734 sqft · Built 1951 · 0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$122,000Jan 2021 $5,0772025 Amount on Record Oct 2001 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

606 E 18th St

984 sqft · Built 1921 · 0.584 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,500Oct 2001 $1,7982025 —Oct 2001 1 Name on Record AssessorUpdated Jul 2026

607 E 18th St

792 sqft · Built 1963 · 0.159 acres

Last Sale Tax Bill Prior Sale Owner Records
$675,000Jun 2022 $9,4022025 —Dec 2005 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

611 E 18th St

3,608 sqft · Built 2005 · 0.272 acres

Last Sale Tax Bill Prior Sale Owner Records
$710,000Jun 2008 $8,7072025 Amount on Record Nov 2007 2 Names on Record AssessorUpdated Jul 2026

612 E 18th St

1,588 sqft · Built 1939 · 0.433 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,500Oct 2001 $1,5602025 —Jul 2014 1 Name on Record AssessorUpdated Jul 2026

620 E 18th St

2 bd · 1 ba · 908 sqft · 0.26 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$407,000Nov 2024 $5,1282025 Amount on Record Jan 2002 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

712 E 18th St

6,870 sqft · Built 1980 · 3.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,350,000Feb 2023 $17,2072025 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

721 E 18th St

5,032 sqft · Built 1988 · 0.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$940,000Jun 2018 $13,4832025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

801 E 18th St

1,950 sqft · Built 1949 · 0.377 acres

Last Sale Tax Bill Prior Sale Owner Records
$213,500Dec 2012 $3,5152025 Amount on Record Feb 2003 1 Name on Record AssessorUpdated Jul 2026

806 E 18th St

2 bd · 2 ba · 1,504 sqft · 0.297 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$579,000Apr 2025 $6,8952025 Amount on Record May 2023 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

812 E 18th St

4 bd · 3 ba · 2,604 sqft · 0.665 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$742,000Jul 2023 $9,5892025 Amount on Record Mar 1995 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

818 E 18th St

3 bd · 1 ba · 1,340 sqft · 0.899 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$580,000Jun 2022 $5,9182025 —Jul 2021 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

825 E 18th St

30,974 sqft · Built 1989 · 1.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,750,000Feb 2025 $56,8192025 Amount on Record Jan 2015 2 Names on Record Assessor + 2 DocumentsUpdated Jul 2026

901 E 18th St

1,025 sqft · Built 1951 · 1.93 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,000Mar 2001 $4,5132025 —Dec 1997 1 Name on Record AssessorUpdated Aug 2026

904 E 18th St

2 bd · 1 ba · 840 sqft · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$106,000Oct 1998 Amount on Record Sep 1997 1 Name on Record AssessorUpdated Jul 2026

910 E 18th St

3 bd · 2 ba · 1,930 sqft · 0.537 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$340,000Sep 2014 $5,5522025 —Dec 2006 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

1006 E 18th St

3 bd · 2 ba · 2,101 sqft · 0.637 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$750,000Jul 2021 $7,9172025 —Jul 2002 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

1015 E 18th St

3 bd · 1.75 ba · 1,797 sqft · 0.675 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 1998 —Apr 1996 1 Name on Record AssessorUpdated Jul 2026

1018 E 18th St

1,292 sqft · Built 1941 · 0.843 acres

Last Sale Tax Bill Prior Sale Owner Records
$455,000Oct 2021 $5,7632025 —Oct 2021 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

1101 E 18th St

2,100 sqft · Built 1979 · 0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,412,000Jul 2016 $5,6932025 1 Name on Record AssessorUpdated Jul 2026

1107 E 18th St, #1143

7,678 sqft · Built 1988 · 0.752 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,425,000Sep 2020 $21,9402025 Amount on Record Dec 2017 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

1715 E 18th St

6 bd · 2.75 ba · 21,640 sqft · 1.11 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$510,000Aug 2004 $10,0312025 —Nov 1998 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

1745 E 18th St

20,580 sqft · Built 2001 · 2.58 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2002 $9432025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

1820 E 18th St

4 bd · 2 ba · 2,234 sqft · 0.6 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$150,000Feb 2024 $2,2952025 Amount on Record Jun 2005 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026
Last Sale Tax Bill Prior Sale Owner Records
—Feb 2006 2 Names on Record AssessorUpdated Jun 2023

1860 E 18th St

3 bd · 2.5 ba · 1,701 sqft · 0.863 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$565,000May 2020 $7,5002025 Amount on Record Dec 2013 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

2101 E 18th St

8 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2006 $11,4562025 —Jul 2014 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

2125 E 18th St

8.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$16,000Dec 1982 $1082025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

2200 E 18th St

1,140 sqft · Built 1965 · 20.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,7852025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

2201 E 18th St

1,056 sqft · Built 1933 · 0.91 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1997 $1,1342025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

2415 E 18th St

2,088 sqft · Built 1967 · 1.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$830,000Mar 2023 $10,3792025 Amount on Record Dec 2002 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

2500 E 18th St

680 sqft · Built 1960 · 19.8 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2000 $12,3632025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

2555 E 18th St

1,019 sqft · Built 1956 · 4 acres

Last Sale Tax Bill Prior Sale Owner Records
$256,500Apr 2000 $12,2032025 1 Name on Record AssessorUpdated Jul 2026

2620 E 18th St

1,400 sqft · Built 1948 · 4.21 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2023 $12,0442025 —Jun 2016 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

2625 E 18th St

1,997 sqft · Built 1955 · 3.44 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,170,000Sep 2011 $15,6052025 —Aug 2011 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

2750 E 18th St

1,988 sqft · Built 1970 · 0.947 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$325,000Mar 1999 $6,1032025 1 Name on Record AssessorUpdated Jul 2026

2800 E 18th St, #A

4,000 sqft · Built 1970 · 5.12 acres

Last Sale Tax Bill Prior Sale Owner Records
$275,000Mar 2016 $5,2932025 —Mar 2016 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

2901 E 18th St

20.1 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2025 $51,3262025 Amount on Record — 1 Name on Record Assessor + 2 DocumentsUpdated Nov 2025

3000 E 18th St

3 bd · 2 ba · 1,823 sqft · 0.979 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$439,500Dec 2003 $8,6432025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

3010 E 18th St

3 bd · 1 ba · 1,430 sqft · 0.579 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,7622025 —Mar 2000 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

3020 E 18th St

2 bd · 1.5 ba · 1,084 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$140,000Jan 2014 $2,4962025 Amount on Record Aug 2010 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

3030 E 18th St

4 bd · 1 ba · 1,765 sqft · 0.594 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$45,000Oct 2002 $1,9972025 —Aug 2016 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

3051 E 18th St

10.7 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,129,000Apr 2017 $14,6942025 —Dec 2009 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

3110 E 18th St

3 bd · 1 ba · 1,025 sqft · 2.55 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$850,000Oct 2025 $5,5372025 Amount on Record Mar 2005 2 Names on Record Assessor + 3 DocumentsUpdated Jul 2026

3120 E 18th St

1,404 sqft · Built 1950 · 0.669 acres

Last Sale Tax Bill Prior Sale Owner Records
$40,000Jan 2005 $9,6472025 Amount on Record Jan 2005 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

3200 E 18th St

1.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$272,000Dec 2002 $35,4172025 Amount on Record Sep 2000 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

3299 E 18th St

5,000 sqft · Built 1966 · 4.97 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,500,000Sep 2023 $58,3472025 Amount on Record Oct 2018 1 Name on Record Assessor + 5 DocumentsUpdated Jul 2026

3400 E 18th St

1,228 sqft · Built 1941 · 0.488 acres

Last Sale Tax Bill Prior Sale Owner Records
$370,000Nov 2017 $4,7872025 Amount on Record Jun 2014 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

3410 E 18th St

600 sqft · Built 1962 · 0.465 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Nov 2017 $3,6852025 Amount on Record Dec 2015 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

3420 E 18th St

2,367 sqft · Built 1944 · 0.432 acres

Last Sale Tax Bill Prior Sale Owner Records
$415,000Aug 2015 $6,3032025 Amount on Record Nov 2007 1 Name on Record AssessorUpdated Jul 2026

3500 E 18th St

2,672 sqft · Built 1940 · 0.942 acres

Last Sale Tax Bill Prior Sale Owner Records
$343,500Nov 1996 $7,9442025 Amount on Record — 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

3574 E 18th St

346,280 sqft · Built 2020 · 13.8 acres

Last Sale Tax Bill Prior Sale Owner Records
$267,3092025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

3605 E 18th St

3,318 sqft · Built 1998 · 0.629 acres

Last Sale Tax Bill Prior Sale Owner Records
$287,500Mar 1998 $18,6872025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

3625 E 18th St

94,338 sqft · Built 1993 · 7.37 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,100,000Apr 2025 $76,5862025 —Oct 2020 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

3629 E 18th St

3,286 sqft · Built 1999 · 1.22 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,800,000Oct 2024 $55,9812025 Amount on Record Jul 2020 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

Property Records in Nearby Streets