1004 Appian Way is a 1,215 square foot house on a 6,970 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on September 13, 1983 for $80,000. Based on Redfin's El Sobrante data, we estimate the home's value is $615,432.
Single-familyProperty Type
1954Year Built
6,970 sq ftLot Size
$507Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$615,432
$535K since sold in September 1983$2,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14.9% lower than the average sale price ($723K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Apr 13, 2010 • Final
Building/commercial/ec/electrical
Replace the main electrical meter box and service panel.
Electrical
Electric meter
Jan 30, 2010 • Final
Building/residential/rp/repair
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
Interior
Room Information
# of Rooms: 6
Exterior
Property Information
Living Sq. Ft: 1,215
Ground Floor Sq. Ft: 1,215
Building Sq. Ft: 1,215
# of Stories: 1
Legal Description: RANCHITOS SOBRANTE POR LOT 8
Parking & Garage Information
Garage/Parking Sq. Ft: 280
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,970
Legal Lot Number: 8
Acres: 0.16
Zoning Code: R-7
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,215
Stories: 1.0
Lot Size: 6,970 square feet
Style: Single Family Residential
Year Built: 1954
Year Renovated: 1954
County: Contra Costa County
APN: 4302900040
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Murphy Elementary School
Public K-6 • Assigned • 0.8mi
5/10
Betty Reid Soskin Middle
Public 6-8 • Assigned • 0.5mi
2/10
De Anza Senior High School
Public 9-12 • Assigned • 1.4mi
4/10
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
3/10 Fire Factor
0.15% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 89° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
15 unhealthy days expected this year, 15 days in 30 years
Provided by First Street
Historical weather
El Sobrante, CA • 94803
Average low and high temperatures (°F)
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44
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67
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69
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69
54
73
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73
58
73
54
61
48
57
45
Jan
Feb
Mar
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May
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Aug
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Dec
Sun exposure
In this area, properties receive around 11.1 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
11.1 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$585,000 – $708,000
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