bridgeMLS, Bay East AOR, or Contra Costa AOR #40760219
Dec 22, 2016
Sold
$475,000
$330/sq ft
Nov 23, 2016
Pending
—
Nov 18, 2016
Relisted
—
Nov 7, 2016
Pending
—
Nov 3, 2016
Price Changed
$469,500
$326/sq ft
Oct 8, 2016
Listed
$489,500
$340/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40530853
Jul 29, 2011
Sold
$250,000
$174/sq ft
Jul 17, 2011
Pending
—
Jun 28, 2011
Pending
—
Jun 23, 2011
Listed
$224,950
$156/sq ft
+10
Normal sale! 1st time on the market in YEARS. Super clean rancher on a huge corner lot. Fruit trees, veg or flower beds, covered patio & RV parking. Workshop attached to 2 car garage. Large shade trees and mature landscape give this gem a secluded private feeling. Oversized kitchen. A must see!!!
Year
Property tax
Land + Additions
Assessment*
2025
$7,448 (+4.6%)
$390,650 + $171,647
$562,297
2024
$7,119 (+2.5%)
$382,991 + $168,282
$551,273
2023
$6,949 (+2.7%)
$375,482 + $164,983
$540,465
2022
$6,768 (+2.8%)
$368,120 + $161,749
$529,869
2021
$6,584 (+1.4%)
$360,902 + $158,578
$519,480
2020
$6,493 (+2.0%)
$353,826 + $155,469
$509,295
2019
$6,365 (+4.1%)
$350,198 + $153,875
$504,073
2018
$6,117 (+0.3%)
$343,332 + $150,858
$494,190
2017
$6,100 (+73.4%)
$330,000 + $145,000
$475,000
2016
$3,519 (+0.8%)
$330,000 + $145,000
$475,000
2015
$3,491 (+1.4%)
$190,985 + $74,272
$265,257
2014
$3,443 (+7.2%)
$184,433 + $71,724
$256,157
2013
$3,210 (+1.4%)
$184,433 + $71,724
$256,157
2012
$3,167 (+243.1%)
$169,920 + $66,080
$236,000
2011
$923 (+9.4%)
$169,920 + $66,080
$236,000
2010
$844 (−4.9%)
$14,699 + $18,913
$33,612
2009
$888 (+7.5%)
$14,590 + $18,772
$33,362
2008
$826
$14,625 + $18,817
$33,442
Tax history for 811 Shell Ave
Year
Property tax
Land + Additions
Assessment*
2025
$7,448 (+4.6%)
$390,650 + $171,647
$562,297
2024
$7,119 (+2.5%)
$382,991 + $168,282
$551,273
2023
$6,949 (+2.7%)
$375,482 + $164,983
$540,465
2022
$6,768 (+2.8%)
$368,120 + $161,749
$529,869
2021
$6,584 (+1.4%)
$360,902 + $158,578
$519,480
2020
$6,493 (+2.0%)
$353,826 + $155,469
$509,295
2019
$6,365 (+4.1%)
$350,198 + $153,875
$504,073
2018
$6,117 (+0.3%)
$343,332 + $150,858
$494,190
2017
$6,100 (+73.4%)
$330,000 + $145,000
$475,000
2016
$3,519 (+0.8%)
$330,000 + $145,000
$475,000
2015
$3,491 (+1.4%)
$190,985 + $74,272
$265,257
2014
$3,443 (+7.2%)
$184,433 + $71,724
$256,157
2013
$3,210 (+1.4%)
$184,433 + $71,724
$256,157
2012
$3,167 (+243.1%)
$169,920 + $66,080
$236,000
2011
$923 (+9.4%)
$169,920 + $66,080
$236,000
2010
$844 (−4.9%)
$14,699 + $18,913
$33,612
2009
$888 (+7.5%)
$14,590 + $18,772
$33,362
2008
$826
$14,625 + $18,817
$33,442
*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
1
Stories
1
Lot width
—
Lot depth
—
Lot size
9,690 Sq. Ft.
Year renovated
1957
Sq. Ft.
1,440
Year built
1952
Style
Single Family Residential
County
Contra Costa County
APN
3751310016
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
Oct 31, 2023 • Final
Building - residential solar photovoltaic
Install a roof-mounted solar photovoltaic system on a single-family home. Update the main service panel with a solar-ready slot and install a new circuit breaker and wiring.
Electrical
Solar
Oct 31, 2023 • Final
Building - residential electrical
Upgrade the main electrical panel to 100 amps.
Electrical
Electric meter
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: Detached, RV/Boat Parking, Side Yard Access, Workshop in Garage, Garage Door Opener
Interior
Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 1
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Shower Over Tub
Interior Features
Interior Features: No Additional Rooms, Laminate Counters
Appliances: Microwave, Free-Standing Range, Self Cleaning Oven, Gas Water Heater
Laundry Features: Hookups Only, Laundry Room
Street Level Features: 3 Bedrooms, 1.5 Baths, Primary Bedrm Suite - 1, Laundry Facility, Main Entry
Flooring: Hardwood, Linoleum, Carpet
Room Information
Kitchen Features: 220 Volt Outlet,Counter - Laminate,Microwave,Range/Oven Free Standing,Self-Cleaning Oven
Rooms Total: 6
Basement: Partial
Exterior
Building Information
Construction Materials: Composition Shingles
Building Area Total: 1,440
Exterior Features
Patio And Porch Features: Covered
Exterior Features: Front Yard, Garden/Play, Side Yard
Fencing: Fenced
Roof: Shingle
Property Information
Living Area: 1440
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1952
Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 9690
Lot Size Area: 0.22
Lot Size Units: Acres
Lot Size Acres: 0.22
Lot Features: Level
Utilities
Utility Information
Water Source: Public
Electric: 220 Volts in Kitchen
Heating & Cooling
Has Heating
Heating: Floor Furnace
Cooling: Wall/Window Unit(s)
Location
School Information
High School District: Martinez (925) 335-5800
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,440
Stories: 1.0
Lot Size: 9,690 square feet
Style: Single Family Residential
Year Built: 1952
Year Renovated: 1957
County: Contra Costa County
APN: 3751310016
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Morello Park Elementary School
Public K-5 • Assigned • 1.5mi
9/10
Martinez Junior High School
Public 6-8 • Assigned • 0.5mi
7/10
Alhambra Senior High School
Public 9-12 • Assigned • 0.6mi
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
5/10 Fire Factor
3% 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
$689,000 – $834,000
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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2016. This data may not match public records. Learn more.