930 Kelvin Rd is a 1,718 square foot house on a 10,500 square foot lot with 3 bedrooms and 1 bathroom. - it last sold on June 01, 1994 for $163,000. Based on Redfin's El Sobrante data, we estimate the home's value is $688,356.
Single-familyProperty Type
1950Year Built
10,500 sq ftLot Size
$401Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$688,356
$525K since sold in June 1994$10K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.1% higher than the average sale price ($655K) 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
Jun 7, 2022 • Final
Building - residential re-roof
Tear off existing roofing and install new composition shingles on a residential building. Remove and haul away all debris.
Roofing
Sep 2, 2016 • Final
Building - residential plumbing
Remove and replace an existing water heater in the same location.
Plumbing
Water heater
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: 10
Exterior
Property Information
Subdivision Name: EL SOBRANTE MANOR U
Living Sq. Ft: 1,718
Ground Floor Sq. Ft: 1,718
Building Sq. Ft: 1,718
# of Stories: 1
Legal Description: EL SOBRANTE MANOR #4 365
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,500
Legal Lot Number: 365
Acres: 0.241
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,718
Stories: 1.0
Lot Size: 10,500 square feet
Style: Single Family Residential
Year Built: 1950
Year Renovated: 1950
County: Contra Costa County
APN: 4261220034
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 • 0.3mi
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
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49
69
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68
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66
53
73
55
73
56
73
54
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
$654,000 – $792,000
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