981 Kelvin Rd is a 1,331 square foot house on a 9,648 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on March 30, 2022 for $605,000. Based on Redfin's El Sobrante data, we estimate the home's value is $739,737.
Single-familyProperty Type
1950Year Built
9,648 sq ftLot Size
$556Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$739,737
$135K since sold in March 2022$7,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.7% higher than the average sale price ($693K) 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
Jul 16, 2025 • Final
Building/residential/cg/carport garage
Legalize an existing carport.
ADU
Oct 16, 2023 • Active
Building/residential/ad/single family addition
Construct an exterior addition to expand the kitchen and laundry room. Convert unconditioned space into a bedroom suite with a bathroom. Improvements include new interior walls, insulation, windows, an exterior door, plumbing fixtures, electrical outlets, and interior finishes.
Addition
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
Heating & Cooling
Heating Type: Forced Air
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Average
Building Construction Quality: Average
Property Information
Subdivision Name: EL SOBRANTE MANOR U
Living Sq. Ft: 1,331
Ground Floor Sq. Ft: 1,331
Building Sq. Ft: 1,331
# of Stories: 1
Legal Description: EL SOBRANTE MANOR #4 LOT 351
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Carport
Garage/Parking Sq. Ft: 360
Garage / Carport Type: Carport
Lot Information
# of Buildings: 1
Land Sq. Ft: 9,648
Legal Lot Number: 351
Acres: 0.2215
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,331
Stories: 1.0
Lot Size: 9,648 square feet
Style: Single Family Residential
Year Built: 1950
Year Renovated: 1970
County: Contra Costa County
APN: 4261140158
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Murphy Elementary School
Public K-6 • Assigned • 1.0mi
5/10
Betty Reid Soskin Middle
Public 6-8 • Assigned • 0.2mi
2/10
De Anza Senior High School
Public 9-12 • Assigned • 1.5mi
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)
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66
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73
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73
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73
54
61
48
57
45
Jan
Feb
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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
$703,000 – $851,000
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