Attention investors! The golden investment opportunity you've been waiting for has arrived. A diamond in the rough, 1042 Shell Ave, in the Mountain View neighborhood of Martinez, just hit the market and is ripe for its transformation. Selling AS IS this sizable 1,105 sqft home, nestled on a generous 5,000 sqft lot, is bursting with untapped potential, ready for your creative charm to bring its transformation to fruition. Imagine the possibilities with its expansive backyard — an untouched canvas for your dream project. Perhaps a cooling pool to beat the summer heat, or an Additional Dwelling Unit (ADU) to maximize your return (buyer to investigate). Don't let this opportunity to own in charming Martinez slip through your fingers.
Single-familyProperty Type
1986Year Built
5,000 sq ftLot Size
$564Est. Price/Sq.Ft.
3 car garageParking
Listed by Cynthia Peterson•DRE #02038729• eXp Realty of California, Inc.
Bought with Cynthia Peterson•DRE #02038729• eXp Realty of California, Inc.
bridgeMLS, Bay East AOR, or Contra Costa AOR #41070751
Sep 17, 2024
Sold
$550,000
$498/sq ft
Sep 7, 2024
Pending
—
Sep 4, 2024
Listed
$499,000
$452/sq ft
Public Records
May 27, 1988
Sold
$120,000
$109/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$7,514 (−12.1%)
$341,700 + $219,300
$561,000
2024
$8,549 (+2.3%)
$335,000 + $215,000
$550,000
2023
$8,359 (+150.7%)
$473,382 + $187,272
$660,654
2022
$3,334 (+3.7%)
$464,100 + $183,600
$647,700
2021
$3,215 (+2.5%)
$9,358 + $207,050
$216,408
2020
$3,137 (+2.9%)
$9,175 + $202,991
$212,166
2019
$3,049 (+4.7%)
$9,081 + $200,910
$209,991
2018
$2,911 (+1.6%)
$8,903 + $196,971
$205,874
2017
$2,865 (+7.3%)
$8,558 + $189,323
$197,881
2016
$2,671 (+0.9%)
$8,558 + $189,323
$197,881
2015
$2,646 (+1.5%)
$8,391 + $185,611
$194,002
2014
$2,606 (+0.8%)
$8,104 + $179,242
$187,346
2013
$2,585 (+3.0%)
$8,104 + $179,242
$187,346
2012
$2,509 (+1.2%)
$8,068 + $178,432
$186,500
2011
$2,479 (+0.5%)
$7,910 + $174,934
$182,844
2010
$2,466
$7,755 + $171,504
$179,259
2009
$2,468 (+4.3%)
$7,698 + $170,223
$177,921
2008
$2,367
$7,717 + $170,628
$178,345
Tax history for 1042 Shell Ave
Year
Property tax
Land + Additions
Assessment*
2025
$7,514 (−12.1%)
$341,700 + $219,300
$561,000
2024
$8,549 (+2.3%)
$335,000 + $215,000
$550,000
2023
$8,359 (+150.7%)
$473,382 + $187,272
$660,654
2022
$3,334 (+3.7%)
$464,100 + $183,600
$647,700
2021
$3,215 (+2.5%)
$9,358 + $207,050
$216,408
2020
$3,137 (+2.9%)
$9,175 + $202,991
$212,166
2019
$3,049 (+4.7%)
$9,081 + $200,910
$209,991
2018
$2,911 (+1.6%)
$8,903 + $196,971
$205,874
2017
$2,865 (+7.3%)
$8,558 + $189,323
$197,881
2016
$2,671 (+0.9%)
$8,558 + $189,323
$197,881
2015
$2,646 (+1.5%)
$8,391 + $185,611
$194,002
2014
$2,606 (+0.8%)
$8,104 + $179,242
$187,346
2013
$2,585 (+3.0%)
$8,104 + $179,242
$187,346
2012
$2,509 (+1.2%)
$8,068 + $178,432
$186,500
2011
$2,479 (+0.5%)
$7,910 + $174,934
$182,844
2010
$2,466
$7,755 + $171,504
$179,259
2009
$2,468 (+4.3%)
$7,698 + $170,223
$177,921
2008
$2,367
$7,717 + $170,628
$178,345
*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
5,000
Year renovated
1986
Sq. Ft.
1,105
Year built
1986
Style
Single Family Residential
County
Contra Costa County
APN
3751710157
Parking Spaces
3
Basement
No
Accessible
No
HOA Dues
—
Garage
Yes
Features
—
Last updated by owner on Jul 28, 2026.
Nov 9, 2015 • Final
Building - residential re-roof
Tear off existing composition shingles and replace with new composition roofing.
Roofing
May 16, 2014 • Final
Building - residential mechanical
Replace the existing furnace with a new single stage furnace. Replace the existing air conditioning unit with a new condenser.
HVAC
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
Has Attached Garage
Garage Spaces: 3
Covered Spaces: 3
Parking Features: Attached
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2
Other Bathrooms Included Features: Shower Over Tub, Window
Primary Bathroom Included Features: Stall Shower, Window
Interior Features
Interior Features: Pantry
Appliances: Electric Range, Microwave, Refrigerator, Dryer, Washer
Laundry Features: Dryer, In Garage, Washer
Upper Level Features: 3 Bedrooms, 2 Baths
Room Information
Kitchen Features: Electric Range/Cooktop,Microwave,Pantry,Refrigerator
Rooms Total: 7
Exterior
Building Information
Construction Materials: Siding - Other
Building Area Total: 1,105
Exterior Features
Patio And Porch Features: Deck
Exterior Features: Backyard, Back Yard, Dog Run, Front Yard, Side Yard
Fencing: Fenced
Property Information
Living Area: 1105
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1986
Lot Information
Lot Size Square Feet: 5000
Lot Size Area: 0.12
Lot Size Units: Acres
Lot Size Acres: 0.12
Lot Features: Front Yard
Utilities
Utility Information
Water Source: Public
Sewer: Public Sewer
Heating & Cooling
Has Heating
Heating: Forced Air
Cooling: Central Air
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,105
Stories: 1.0
Parking Spaces: 3
Basement: No
Accessible: No
Lot Size: 5,000 square feet
Style: Single Family Residential
Year Built: 1986
Year Renovated: 1986
County: Contra Costa County
APN: 3751710157
HOA Dues: —
Garage: Yes
Features: —
Home facts updated by owner on Jul 28, 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
83
57
87
59
83
61
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
$593,000 – $718,000
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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 show owner updates. Learn more.