Shell Ave, Martinez, CA Property Records

Contra Costa County property records for 84 addresses on Shell Ave, Martinez, CA · Last verified August 2026

Shell Ave Highlights

Properties 84
Median Sale Price $650,000
Deeds and Mortgages on File 133
Median Price per Sqft $481
Owner Occupied 63%
Median Annual Tax Bill $4,309
Median Year Built 1952
Median Ownership Tenure 10 years

Properties on Shell Ave

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

720 Shell Ave, #740

39,352 sqft · Built 2014 · 1.61 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,413,500Dec 2021 $216,3032025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

752 Shell Ave

52,696 sqft · Built 1976 · 4.02 acres

Last Sale Tax Bill Prior Sale Owner Records
$66,7092025 1 Name on Record AssessorUpdated Jul 2026

768 Shell Ave

4 bd · 1.5 ba · 2,092 sqft · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,0812025 —Jun 2016 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

775 Shell Ave

4 bd · 3.5 ba · 5,290 sqft · 2.06 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,250,000Jun 2023 $16,8262025 —Jun 2023 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

777 Shell Ave

4 bd · 3 ba · 3,386 sqft · 0.809 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
—Oct 1998 $8,9012025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

785 Shell Ave

5 bd · 2 ba · 2,145 sqft · 0.4 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1996 $1,8232025 Amount on Record Nov 1993 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

795 Shell Ave

3 bd · 3 ba · 3,176 sqft · 2.24 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,300,000Feb 2026 $17,1822025 —Jun 2022 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

806 Shell Ave

3 bd · 2 ba · 1,779 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$300,000May 2017 $6,9492025 —May 2017 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

811 Shell Ave

3 bd · 1 ba · 1,440 sqft · 0.222 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$475,000Dec 2016 $7,4482025 Amount on Record Jul 2011 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

812 Shell Ave

2 bd · 1 ba · 1,086 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$615,000Nov 2021 $8,8742025 Amount on Record Jul 2011 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

817 Shell Ave

3 bd · 1 ba · 936 sqft · 0.113 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$110,000Jan 2017 $5,2772025 Amount on Record Dec 2001 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

818 Shell Ave

3 bd · 2 ba · 1,272 sqft · 0.142 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$162,000May 1998 $4,1682025 —Mar 1998 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

820 Shell Ave

4 bd · 2 ba · 1,722 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$750,000Sep 2021 $10,4722025 Amount on Record Dec 2017 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

822 Shell Ave

3 bd · 2 ba · 1,812 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,5152025 —Feb 2013 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

823 Shell Ave

3 bd · 1 ba · 936 sqft · 0.109 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$650,000Feb 2026 $4,2212025 Amount on Record Aug 2011 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

824 Shell Ave

3 bd · 2 ba · 1,823 sqft · 0.189 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$630,000Oct 2018 $9,3792025 —Jul 1995 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

829 Shell Ave

3 bd · 1 ba · 1,176 sqft · 0.113 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$100,000Nov 2005 $7,1182025 —Jun 2006 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

830 Shell Ave, Apt A

2 bd · 1 ba · 1,097 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,4632025 —Nov 2003 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

830 Shell Ave, Apt B

3 bd · 1 ba · 1,352 sqft · 0.309 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$150,000Dec 1994 $4,1712025 —Jan 2021 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

835 Shell Ave

3 bd · 1 ba · 1,296 sqft · 0.115 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$550,000Sep 2022 $7,6912025 —Jul 2012 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

841 Shell Ave

3 bd · 1.5 ba · 1,216 sqft · 0.124 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$475,000Jun 2018 $7,4032025 —Sep 2011 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

847 Shell Ave

3 bd · 1 ba · 1,056 sqft · 0.113 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$625,000May 2026 $1,6872025 Amount on Record Jan 2026 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

850 Shell Ave

3 bd · 2 ba · 1,148 sqft · 0.107 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$650,000Jul 2023 $8,8122025 —Mar 2007 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

853 Shell Ave

3 bd · 1 ba · 936 sqft · 0.111 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$135,000Apr 1997 $3,6112025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

854 Shell Ave

3 bd · 2 ba · 1,175 sqft · 0.1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$655,000Aug 2026 $5,0982025 Amount on Record Nov 2000 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

855 Shell Ave

2 bd · 2 ba · 849 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$210,000Aug 2009 $4,2022025 Amount on Record Apr 1997 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

915 Shell Ave

3 bd · 2 ba · 1,292 sqft · 0.055 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$653,000Mar 2021 $8,5682025 Amount on Record Dec 2020 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

925 Shell Ave

3 bd · 2 ba · 1,120 sqft · 0.065 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$350,000Oct 2003 $6,8982025 —Oct 2003 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

941 Shell Ave

2 bd · 1 ba · 751 sqft · 0.086 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$430,000Dec 2019 $6,5812025 Amount on Record Aug 2006 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

960 Shell Ave

2 bd · 1.5 ba · 1,512 sqft · 0.058 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,7642025 —May 2009 1 Name on Record AssessorUpdated Jul 2026

980 Shell Ave

1 bd · 1 ba · 468 sqft · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2010 $1,4802025 1 Name on Record AssessorUpdated Jul 2026

1000 Shell Ave

2 bd · 1 ba · 920 sqft · 0.106 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$585,000Jun 2024 $8,0542025 Amount on Record Dec 2018 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

1001 Shell Ave

2 bd · 1 ba · 910 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$174,000Apr 2012 $3,6802025 Amount on Record Oct 2011 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

1005 Shell Ave

2 bd · 1 ba · 779 sqft · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$410,000Oct 2018 $6,3632025 Amount on Record Apr 2016 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

1010 Shell Ave

2 bd · 2 ba · 1,314 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$615,000Nov 2024 $9,3052025 Amount on Record Jun 2003 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

1011 Shell Ave

4 bd · 2 ba · 1,702 sqft · 0.205 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,1392025 —Sep 2007 2 Names on Record AssessorUpdated Jul 2026

1026 Shell Ave

3 bd · 2 ba · 1,100 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$137,000Feb 1996 $3,7032025 —Mar 1994 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

1030 Shell Ave

1 bd · 2 ba · 1,035 sqft · 0.052 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$130,000Aug 1996 $4,4742025 —Dec 2012 1 Name on Record AssessorUpdated Jul 2026

1042 Shell Ave

3 bd · 2 ba · 1,105 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$550,000Sep 2024 $7,5132025 —Jul 2022 2 Names on Record Assessor + 2 DocumentsUpdated Jul 2026

1044 Shell Ave

3 bd · 2.5 ba · 1,663 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$800,000Nov 2024 $10,4042025 Amount on Record Jul 2002 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

1051 Shell Ave

2 bd · 1 ba · 924 sqft · 0.339 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,4292025 —Aug 2012 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

1077 Shell Ave

2 bd · 1 ba · 1,110 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,9122025 2 Names on Record AssessorUpdated Jul 2026

1080 Shell Ave

2 bd · 1 ba · 1,040 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$199,000Oct 2011 $4,0342025 Amount on Record Oct 2010 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

1081 Shell Ave

2 bd · 1 ba · 680 sqft · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$114,000May 1998 $3,2512025 2 Names on Record AssessorUpdated Jul 2026

1084 Shell Ave

4 bd · 2 ba · 1,288 sqft · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$640,000Aug 2022 $8,7742025 Amount on Record Feb 2018 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

1085 Shell Ave

4 bd · 2 ba · 2,873 sqft · 0.123 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$149,000May 1994 $7,1312025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

1090 Shell Ave

2 bd · 1 ba · 1,014 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$181,000May 2005 $6,1772025 Amount on Record Jun 2004 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

1091 Shell Ave

2 bd · 1 ba · 936 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$99,000Sep 2010 $2,6182025 —Sep 2010 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

1101 Shell Ave

3 bd · 1 ba · 1,064 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,6722025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

1102 Shell Ave

3 bd · 1.5 ba · 1,303 sqft · 0.119 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$624,000Oct 2025 $3,4922025 Amount on Record Jan 2003 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

1114 Shell Ave

3 bd · 2 ba · 1,538 sqft · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$108,000Jun 1989 $4,0802025 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

1120 Shell Ave

3 bd · 2 ba · 1,444 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$489,000Dec 2021 $5,5602025 —Jul 2017 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

1121 Shell Ave

3 bd · 2.5 ba · 1,324 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$429,000Oct 2016 $6,8222025 Amount on Record Aug 2015 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

1131 Shell Ave

4 bd · 2 ba · 2,325 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$476,500Sep 2016 $7,5382025 Amount on Record Oct 2010 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

1150 Shell Ave

3 bd · 1 ba · 880 sqft · 0.117 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$295,000Nov 2016 $5,1132025 Amount on Record Oct 2016 2 Names on Record AssessorUpdated Jul 2026

1160 Shell Ave

2 bd · 1 ba · 756 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$105,000Jun 1995 $3,1102025 —Jun 2002 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

1170 Shell Ave

2 bd · 1 ba · 1,008 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$148,000Aug 1993 $3,9792025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

1180 Shell Ave

4 bd · 3 ba · 2,131 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$400,000May 2025 $4,1832025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

1185 Shell Ave

3 bd · 2 ba · 1,715 sqft · 0.118 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,7922025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

1201 Shell Ave

2 bd · 1 ba · 954 sqft · 0.118 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,3412025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

1211 Shell Ave

2 bd · 1 ba · 918 sqft · 0.111 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$100,000Apr 2001 $3,0442025 —Apr 2018 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

1220 Shell Ave

2 bd · 1 ba · 945 sqft · 0.119 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$68,500Mar 1983 $2,7112025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

1221 Shell Ave

3 bd · 2 ba · 1,263 sqft · 0.113 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$370,000Jul 2015 $6,1362025 Amount on Record Nov 2011 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

1230 Shell Ave

3 bd · 2 ba · 1,154 sqft · 0.112 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2020 $3,1972025 —Jul 2016 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

1240 Shell Ave

4,806 sqft · Built 1951 · 0.443 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,1202025 1 Name on Record AssessorUpdated Jul 2026

1255 Shell Ave

0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
$643,500Dec 2019 $1,1582025 Amount on Record Jan 2013 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

1304 Shell Ave

2 bd · 1 ba · 1,165 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$139,000Dec 2011 $3,1712025 Amount on Record Feb 2005 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

1331 Shell Ave

3 bd · 1.5 ba · 1,791 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$169,500Oct 1999 $4,3092025 —Jan 2006 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

1341 Shell Ave

3 bd · 2.5 ba · 1,724 sqft · 0.164 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$685,000Feb 2023 $9,3942025 Amount on Record Mar 2012 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

1350 Shell Ave

0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$500Nov 2024 $6952025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

1351 Shell Ave

3 bd · 1 ba · 981 sqft · 0.091 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$725,000Feb 2026 $4,3892025 Amount on Record Jun 2024 1 Name on Record Assessor + 5 DocumentsUpdated Jul 2026

1391 Shell Ave

1,618 sqft · Built 1982 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 1991 $5,1742025 1 Name on Record AssessorUpdated Jul 2026

1424 Shell Ave

8,544 sqft · Built 2007 · 0.423 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$115,000Aug 2001 $13,8832025 —Jun 2008 2 Names on Record Assessor + 3 DocumentsUpdated Jul 2026

1425 Shell Ave

6 bd · 2 ba · 2,590 sqft · 0.127 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 1996 $2,7812025 —Aug 2018 2 Names on Record Assessor + 3 DocumentsUpdated Jul 2026

1445 Shell Ave

2 bd · 1 ba · 893 sqft · 0.127 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,4622025 —Aug 2018 2 Names on Record Assessor + 3 DocumentsUpdated Jul 2026

1511 Shell Ave, #1521

0.193 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000Jan 1994 $4252025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

1514-1524 Shell Ave

0.689 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,000Dec 1993 $1,0402025 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

1531 Shell Ave

0.096 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Jul 1996 $3042025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

1541 Shell Ave

0.096 acres

Last Sale Tax Bill Prior Sale Owner Records
$110,000Jul 1996 $3042025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

1551 Shell Ave

2 bd · 1 ba · 725 sqft · 0.096 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$60,000Apr 2009 $1,0562025 Amount on Record Mar 2008 2 Names on Record Owner Occupied AssessorUpdated Jul 2026
Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Jul 2026

1801 Shell Ave

20,760 sqft · Built 1960 · 5.61 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,9622025 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

1915 Shell Ave

228,197 sqft · 294 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,051,7792025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

6212 Shell Ave

Built 1978 · 4.3 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2020 $1,2342025 —Jul 2012 2 Names on Record Assessor + 5 DocumentsUpdated Aug 2026

Property Records in Nearby Streets