917 Kelvin Rd is a 1,685 square foot house on a 7,800 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on June 29, 2018 for $465,000. Based on Redfin's El Sobrante data, we estimate the home's value is $736,978.
Single-familyProperty Type
1950Year Built
7,800 sq ftLot Size
$437Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$736,978
$272K since sold in June 2018$1,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.7% higher than the average sale price ($698K) 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
Jan 30, 2010 • Final
Building/residential/ad/single family addition
Construct a two-story addition to a building.
Addition
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: 7
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: EL SOBRANTE MANOR 04
Living Sq. Ft: 1,685
Ground Floor Sq. Ft: 1,326
Building Sq. Ft: 1,685
# of Stories: 2
Legal Description: EL SOBRANTE MANOR #4 LOT 297
Parking & Garage Information
Garage/Parking Sq. Ft: 310
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,800
Legal Lot Number: 297
Acres: 0.1791
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,685
Stories: 2.0
Lot Size: 7,800 square feet
Style: Single Family Residential
Year Built: 1950
Year Renovated: 1960
County: Contra Costa County
APN: 4261210175
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Murphy Elementary School
Public K-6 • Assigned • 0.8mi
5/10
Betty Reid Soskin Middle
Public 6-8 • Assigned • 0.3mi
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, 15 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)
59
44
61
45
67
49
65
49
69
51
68
52
69
54
73
55
73
58
69
53
61
48
57
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
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
$701,000 – $848,000
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