1051 Shell Ave is a 924 square foot house on a 0.34 acre lot with 2 bedrooms and 1 bathroom. Based on Redfin's Martinez data, we estimate the home's value is $531,815.
Single-familyProperty Type
1920Year Built
0.34 acresLot Size
$576Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$531,815
$12K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.7% lower than the average sale price ($552K) of 5 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$4,429 (+4.3%)
$251,207 + $37,676
$288,883
2024
$4,246 (+3.1%)
$246,282 + $36,938
$283,220
2023
$4,117 (+3.2%)
$241,453 + $36,214
$277,667
2022
$3,989 (+3.4%)
$236,719 + $35,504
$272,223
2021
$3,859 (+2.1%)
$232,078 + $34,808
$266,886
2020
$3,779 (+2.5%)
$227,528 + $34,126
$261,654
2019
$3,686 (+4.5%)
$225,195 + $33,777
$258,972
2018
$3,526 (+1.5%)
$220,780 + $33,115
$253,895
2017
$3,475 (+7.3%)
$212,207 + $31,830
$244,037
2016
$3,240 (+0.8%)
$212,207 + $31,830
$244,037
2015
$3,213 (+1.4%)
$208,047 + $31,206
$239,253
2014
$3,169 (+0.7%)
$200,908 + $30,136
$231,044
2013
$3,146 (+214.6%)
$200,908 + $30,136
$231,044
2012
$1,000 (+0.6%)
$200,000 + $30,000
$230,000
2011
$994 (+0.3%)
$25,313 + $10,907
$36,220
2010
$991 (+0.6%)
$24,817 + $10,694
$35,511
2009
$985 (+6.9%)
$24,632 + $10,615
$35,247
2008
$922
$24,691 + $10,641
$35,332
Tax history for 1051 Shell Ave
Year
Property tax
Land + Additions
Assessment*
2025
$4,429 (+4.3%)
$251,207 + $37,676
$288,883
2024
$4,246 (+3.1%)
$246,282 + $36,938
$283,220
2023
$4,117 (+3.2%)
$241,453 + $36,214
$277,667
2022
$3,989 (+3.4%)
$236,719 + $35,504
$272,223
2021
$3,859 (+2.1%)
$232,078 + $34,808
$266,886
2020
$3,779 (+2.5%)
$227,528 + $34,126
$261,654
2019
$3,686 (+4.5%)
$225,195 + $33,777
$258,972
2018
$3,526 (+1.5%)
$220,780 + $33,115
$253,895
2017
$3,475 (+7.3%)
$212,207 + $31,830
$244,037
2016
$3,240 (+0.8%)
$212,207 + $31,830
$244,037
2015
$3,213 (+1.4%)
$208,047 + $31,206
$239,253
2014
$3,169 (+0.7%)
$200,908 + $30,136
$231,044
2013
$3,146 (+214.6%)
$200,908 + $30,136
$231,044
2012
$1,000 (+0.6%)
$200,000 + $30,000
$230,000
2011
$994 (+0.3%)
$25,313 + $10,907
$36,220
2010
$991 (+0.6%)
$24,817 + $10,694
$35,511
2009
$985 (+6.9%)
$24,632 + $10,615
$35,247
2008
$922
$24,691 + $10,641
$35,332
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Oct 2, 2012 • Final
Building - residential electrical
Upgrade the electrical service.
Electrical
Jul 21, 2010 • Final
Building - residential re-roof
Remove existing composition shingles and install new composition shingles on a residential building.
Roofing
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Room Information
# of Rooms: 5
Exterior
Property Information
Subdivision Name: MARTINEZ LAND CO 06
Living Sq. Ft: 924
Ground Floor Sq. Ft: 924
Building Sq. Ft: 924
# of Stories: 1
Legal Description: MARTINEZ LAND #6 LOTS 3,4,5 BLK 31
Parking & Garage Information
Garage/Parking Sq. Ft: 370
Lot Information
# of Buildings: 1
Land Sq. Ft: 14,784
Legal Lot Number: 3
Legal Block Number: 31
Acres: 0.3394
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 924
Stories: 1.0
Lot Size: 0.34 acres
Style: Single Family Residential
Year Built: 1920
Year Renovated: 1920
County: Contra Costa County
APN: 3750420162
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Morello Park Elementary School
Public K-5 • Assigned • 1.3mi
9/10
Martinez Junior High School
Public 6-8 • Assigned • 0.6mi
7/10
Alhambra Senior High School
Public 9-12 • Assigned • 0.8mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 97° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
13 unhealthy days expected this year, 13 days in 30 years
Provided by First Street
Historical weather
Martinez, CA • 94553
Average low and high temperatures (°F)
60
43
62
45
70
49
70
49
77
53
80
55
80
56
87
59
84
59
78
56
64
49
56
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.8 hours in
June and 4.8 hours in December, placing it above the
U.S. average for solar exposure.
11.8 hrs
4.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$506,000 – $612,000
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