bridgeMLS, Bay East AOR, or Contra Costa AOR #40267444
Sep 9, 2007
Listing Removed
—
Aug 20, 2007
Price Changed
*
Aug 8, 2007
Price Changed
*
May 15, 2007
Listed
*
bridgeMLS, Bay East AOR, or Contra Costa AOR #11029476
Sep 27, 1999
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11030021
Oct 26, 1999
Sold
$169,500
$127/sq ft
Sep 23, 1999
Listing Removed
—
Sep 15, 1999
Listed
$159,500
$120/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #11027593
Sep 9, 1999
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11015926
Aug 1, 1999
Listing Removed
—
Public Records
Jan 23, 1973
Sold
$25,000
$19/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$4,309 (+4.3%)
$140,384 + $138,121
$278,505
2024
$4,132 (+3.2%)
$137,632 + $135,413
$273,045
2023
$4,005 (+3.3%)
$134,934 + $132,758
$267,692
2022
$3,878 (+3.4%)
$132,289 + $130,155
$262,444
2021
$3,750 (+2.2%)
$129,696 + $127,603
$257,299
2020
$3,671 (+2.6%)
$127,153 + $125,101
$252,254
2019
$3,579 (+4.6%)
$125,850 + $123,819
$249,669
2018
$3,422 (+1.5%)
$123,383 + $121,392
$244,775
2017
$3,373 (+7.3%)
$118,593 + $116,679
$235,272
2016
$3,144 (+0.8%)
$118,593 + $116,679
$235,272
2015
$3,118 (+1.4%)
$116,268 + $114,392
$230,660
2014
$3,074 (+7.6%)
$112,279 + $110,467
$222,746
2013
$2,857 (+16.6%)
$112,279 + $110,467
$222,746
2012
$2,450 (−8.6%)
$102,830 + $101,170
$204,000
2011
$2,682 (+3.9%)
$105,000 + $65,000
$170,000
2010
$2,582 (−3.3%)
$95,441 + $95,895
$191,336
2009
$2,671 (+4.1%)
$90,784 + $91,216
$182,000
2008
$2,565
$94,954 + $95,406
$190,360
Tax history for 1331 Shell Ave
Year
Property tax
Land + Additions
Assessment*
2025
$4,309 (+4.3%)
$140,384 + $138,121
$278,505
2024
$4,132 (+3.2%)
$137,632 + $135,413
$273,045
2023
$4,005 (+3.3%)
$134,934 + $132,758
$267,692
2022
$3,878 (+3.4%)
$132,289 + $130,155
$262,444
2021
$3,750 (+2.2%)
$129,696 + $127,603
$257,299
2020
$3,671 (+2.6%)
$127,153 + $125,101
$252,254
2019
$3,579 (+4.6%)
$125,850 + $123,819
$249,669
2018
$3,422 (+1.5%)
$123,383 + $121,392
$244,775
2017
$3,373 (+7.3%)
$118,593 + $116,679
$235,272
2016
$3,144 (+0.8%)
$118,593 + $116,679
$235,272
2015
$3,118 (+1.4%)
$116,268 + $114,392
$230,660
2014
$3,074 (+7.6%)
$112,279 + $110,467
$222,746
2013
$2,857 (+16.6%)
$112,279 + $110,467
$222,746
2012
$2,450 (−8.6%)
$102,830 + $101,170
$204,000
2011
$2,682 (+3.9%)
$105,000 + $65,000
$170,000
2010
$2,582 (−3.3%)
$95,441 + $95,895
$191,336
2009
$2,671 (+4.1%)
$90,784 + $91,216
$182,000
2008
$2,565
$94,954 + $95,406
$190,360
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Permits
Beds
3
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
0.25 Acres
Year renovated
1940
Sq. Ft.
1,791
Year built
1940
Style
Single Family Residential
County
Contra Costa County
APN
3750130167
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
Mar 20, 2012 • Final
Building/residential/al/alteration
Convert a storage area into a bedroom and install an egress window well. Remove an illegal kitchen from the basement, including the stove and refrigerator. The basement is not to be used as an independent living space.
ADU
Remodel
Aug 3, 2005 • Final
Building - residential plumbing
Replace water piping from the meter to the residence and within the residence.
Plumbing
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
Parking
Parking Information
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Tandem, Workshop in Garage
Interior
Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2
Other Bathrooms Included Features: Shower Over Tub, Stall Shower
Interior Features
Interior Features: Den, Formal Dining Room, Tile Counters
Appliances: Dishwasher, Disposal, Free-Standing Range, Electric Water Heater
Laundry Features: 220 Volt Outlet, Laundry Room
Street Level Features: 2 Bedrooms, 1 Bath, Laundry Facility, Main Entry
Window Features: Window Coverings
Flooring: Hardwood, Linoleum, Carpet
Room Information
Kitchen Features: 220 Volt Outlet,Counter - Tile,Dishwasher,Garbage Disposal,Range/Oven Free Standing,Other
Rooms Total: 8
Exterior
Building Information
Construction Materials: Wood Siding
Building Area Total: 1,332
Exterior Features
Exterior Features: Back Yard, Front Yard, Side Yard, Sprinklers Front
Roof: Shingle
Property Information
Living Area: 1332
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1940
Lot Information
Lot Size Square Feet: 4000
Lot Size Area: 0.09
Lot Size Units: Acres
Lot Size Acres: 0.09
Lot Features: Level
Zoning: R
Utilities
Utility Information
Water Source: Public
Electric: 220 Volts in Kitchen
Sewer: Public Sewer
Heating & Cooling
Has Heating
Heating: Floor Furnace
Cooling: Ceiling Fan(s), Wall/Window Unit(s)
Location
School Information
High School District: Martinez (925) 335-5800
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,791
Stories: 1.0
Lot Size: 0.25 acres
Style: Single Family Residential
Year Built: 1940
Year Renovated: 1940
County: Contra Costa County
APN: 3750130167
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Las Juntas Elementary School
Public K-5 • Assigned • 1.4mi
5/10
Martinez Junior High School
Public 6-8 • Assigned • 0.7mi
7/10
Alhambra Senior High School
Public 9-12 • Assigned • 1.0mi
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
$641,000 – $775,000
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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 1999. This data may not match public records. Learn more.