Pride of ownership is evident throughout this well maintained duplex. Each unit is 1 bedroom and 1 bathroom with an enclosed garage and separate laundry. Separate PGE utility meters. Owner pays for water utility and trash removal. Large rear lot has additional off-street parking and might be an option for an ADU. 1010 Shell Avenue is vacant. The lease expires on October 1st for 1012 Shell Avenue ($1,750/month).
Multi-familyProperty Type
1941Year Built
5,000 sq ftLot Size
$511Est. Price/Sq.Ft.
1 car garageParking
Listed by Peter Sabine•DRE #00889760• Compass
Bought with Carissa Brikken Brown•DRE #01332334• Christie's Intl RE Sereno
bridgeMLS, Bay East AOR, or Contra Costa AOR #41061623
Nov 13, 2024
Sold
$615,000
$468/sq ft
Aug 14, 2024
Pending
—
Jul 22, 2024
Price Changed
$670,000
$510/sq ft
Jul 2, 2024
Price Changed
$695,000
$529/sq ft
Jun 17, 2024
Listed
$725,000
$552/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #11184637
Jun 12, 2003
Sold
$305,000
$232/sq ft
May 20, 2003
Listing Removed
—
Apr 24, 2003
Listed
$340,000
$259/sq ft
1012 VACANT W/L.B. KEYS TO 1010 ON KITCHEN COUNTER. HARDWOOD UNDER CARPET. NEW DUAL PANE WINDOWS. VACANT. 1 BDRM UNITS. NICE
bridgeMLS, Bay East AOR, or Contra Costa AOR #11180489
Apr 23, 2003
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11176083
Mar 26, 2003
Listing Removed
—
Public Records
Feb 14, 1990
Sold
$140,000
$107/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$9,305 (+32.9%)
$499,800 + $127,500
$627,300
2024
$7,002 (+3.5%)
$490,000 + $125,000
$615,000
2023
$6,765 (+3.6%)
$305,277 + $127,783
$433,060
2022
$6,532 (+3.7%)
$299,292 + $125,278
$424,570
2021
$6,296 (+2.5%)
$293,424 + $122,822
$416,246
2020
$6,142 (+2.9%)
$287,671 + $120,414
$408,085
2019
$5,972 (+4.3%)
$284,722 + $119,180
$403,902
2018
$5,725 (+1.6%)
$279,140 + $116,844
$395,984
2017
$5,637 (+7.1%)
$268,301 + $112,307
$380,608
2016
$5,265 (+4.8%)
$268,301 + $112,307
$380,608
2015
$5,026 (+12.2%)
$263,041 + $110,105
$373,146
2014
$4,479 (+14.6%)
$211,400 + $88,600
$300,000
2013
$3,907 (+1.5%)
$211,400 + $88,600
$300,000
2012
$3,849 (+2.5%)
$176,231 + $73,769
$250,000
2011
$3,754 (−22.9%)
$176,000 + $74,000
$250,000
2010
$4,870
$169,000 + $71,000
$240,000
2009
$4,874 (+3.2%)
$241,233 + $100,979
$342,212
2008
$4,723
$241,807 + $101,219
$343,026
Tax history for 1010 Shell Ave
Year
Property tax
Land + Additions
Assessment*
2025
$9,305 (+32.9%)
$499,800 + $127,500
$627,300
2024
$7,002 (+3.5%)
$490,000 + $125,000
$615,000
2023
$6,765 (+3.6%)
$305,277 + $127,783
$433,060
2022
$6,532 (+3.7%)
$299,292 + $125,278
$424,570
2021
$6,296 (+2.5%)
$293,424 + $122,822
$416,246
2020
$6,142 (+2.9%)
$287,671 + $120,414
$408,085
2019
$5,972 (+4.3%)
$284,722 + $119,180
$403,902
2018
$5,725 (+1.6%)
$279,140 + $116,844
$395,984
2017
$5,637 (+7.1%)
$268,301 + $112,307
$380,608
2016
$5,265 (+4.8%)
$268,301 + $112,307
$380,608
2015
$5,026 (+12.2%)
$263,041 + $110,105
$373,146
2014
$4,479 (+14.6%)
$211,400 + $88,600
$300,000
2013
$3,907 (+1.5%)
$211,400 + $88,600
$300,000
2012
$3,849 (+2.5%)
$176,231 + $73,769
$250,000
2011
$3,754 (−22.9%)
$176,000 + $74,000
$250,000
2010
$4,870
$169,000 + $71,000
$240,000
2009
$4,874 (+3.2%)
$241,233 + $100,979
$342,212
2008
$4,723
$241,807 + $101,219
$343,026
*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
2
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
5,000 Sq. Ft.
Year renovated
1970
Sq. Ft.
1,314
Year built
1941
Style
Multi-Family (2-4 Unit)
County
Contra Costa County
APN
3751710025
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
Jun 24, 2024 • Final
Building - residential electrical
Update existing knob and tube wiring within the kitchen and bedroom to current electrical standards.
Electrical
Jul 23, 2020 • Final
Building/residential/rp/repair
Repair the exterior stairs, landings, and handrails of an existing duplex. Replace the rear porch and perform minor dry-rot repairs including the siding. Rewire a residential unit.
Electrical
Remodel
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
Total # of Parking Spaces: 2
Has Attached Garage
Parking Features: Attached, Off Street
Interior
Interior Features
Interior Features: Storage
Appliances: Gas Water Heater
Laundry Features: In Garage
Flooring: Linoleum, Carpet
Room Information
Basement: Partial
Unit 1 Information
Unit 1 # of Bathrooms: 1
Unit 1 Air Conditioning: Yes
Unit 1 Parking Spaces: 1
Unit 2 Information
Unit 2 # of Bathrooms: 1
Unit 2 Air Conditioning: Yes
Unit 2 # of Parking Spaces: 1
Multi-Unit Information
Number Of Units Total: 2
Exterior
Building Information
Construction Materials: Wood Siding
Building Area Total: 1,314
Exterior Features
Patio And Porch Features: Rear Porch, Front Porch, Porch Steps, Balcony/Patio
Exterior Features: Back Yard
Fencing: Fenced, Back Yard
Property Information
Living Area: 1314
Living Area Units: Square Feet
Property Type: Residential Income
Property Sub Type: DUPLEX
Year Built: 1941
Lot Information
Lot Size Square Feet: 5000
Lot Size Area: 0.12
Lot Size Units: Acres
Lot Size Acres: 0.12
Lot Features: Sloped Up, Back Yard
Zoning: R-6
Utilities
Utility Information
Separate Meter: Electric, Gas
Utilities: Individual Electric Meter, Individual Gas Meter
Heating & Cooling
Has Heating
Heating: Natural Gas, Wall Furnace
Cooling: Wall/Window Unit(s)
Location
School Information
High School District: Martinez (925) 335-5800
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,314
Stories: 1.0
Lot Size: 5,000 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1941
Year Renovated: 1970
County: Contra Costa County
APN: 3751710025
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
$639,000 – $773,000
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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2024. This data may not match public records. Learn more.