936 Kelvin Rd is a 1,010 square foot house on a 10,400 square foot lot with 3 bedrooms and 1 bathroom. Based on Redfin's El Sobrante data, we estimate the home's value is $596,882.
Single-familyProperty Type
1950Year Built
10,400 sq ftLot Size
$591Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$596,882
$9,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10% lower than the average sale price ($663K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$5,887 (+2.7%)
$237,398 + $123,108
$360,506
2025
$5,734 (+2.3%)
$237,398 + $123,108
$360,506
2024
$5,604 (+2.3%)
$232,744 + $120,695
$353,439
2023
$5,479 (+1.5%)
$228,181 + $118,329
$346,510
2022
$5,396 (+0.6%)
$223,707 + $116,009
$339,716
2021
$5,363 (+4.4%)
$219,321 + $113,735
$333,056
2020
$5,138 (+1.4%)
$215,021 + $111,505
$326,526
2019
$5,069 (+4.1%)
$212,817 + $110,362
$323,179
2018
$4,867 (+248.6%)
$208,645 + $108,199
$316,844
2017
$1,396 (+5.0%)
$19,706 + $26,679
$46,385
2016
$1,330 (+3.5%)
$19,706 + $26,679
$46,385
2015
$1,285 (+0.2%)
$19,320 + $26,156
$45,476
2014
$1,282 (+3.1%)
$18,658 + $25,260
$43,918
2013
$1,243 (+7.0%)
$18,658 + $25,260
$43,918
2012
$1,162 (+6.8%)
$18,574 + $25,146
$43,720
2011
$1,088 (+4.1%)
$18,210 + $24,653
$42,863
2010
$1,045 (+2.8%)
$17,853 + $24,170
$42,023
2009
$1,016 (+12.8%)
$17,720 + $23,990
$41,710
2008
$901
$17,763 + $24,047
$41,810
Tax history for 936 Kelvin Rd
Year
Property tax
Land + Additions
Assessment*
2026
$5,887 (+2.7%)
$237,398 + $123,108
$360,506
2025
$5,734 (+2.3%)
$237,398 + $123,108
$360,506
2024
$5,604 (+2.3%)
$232,744 + $120,695
$353,439
2023
$5,479 (+1.5%)
$228,181 + $118,329
$346,510
2022
$5,396 (+0.6%)
$223,707 + $116,009
$339,716
2021
$5,363 (+4.4%)
$219,321 + $113,735
$333,056
2020
$5,138 (+1.4%)
$215,021 + $111,505
$326,526
2019
$5,069 (+4.1%)
$212,817 + $110,362
$323,179
2018
$4,867 (+248.6%)
$208,645 + $108,199
$316,844
2017
$1,396 (+5.0%)
$19,706 + $26,679
$46,385
2016
$1,330 (+3.5%)
$19,706 + $26,679
$46,385
2015
$1,285 (+0.2%)
$19,320 + $26,156
$45,476
2014
$1,282 (+3.1%)
$18,658 + $25,260
$43,918
2013
$1,243 (+7.0%)
$18,658 + $25,260
$43,918
2012
$1,162 (+6.8%)
$18,574 + $25,146
$43,720
2011
$1,088 (+4.1%)
$18,210 + $24,653
$42,863
2010
$1,045 (+2.8%)
$17,853 + $24,170
$42,023
2009
$1,016 (+12.8%)
$17,720 + $23,990
$41,710
2008
$901
$17,763 + $24,047
$41,810
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jan 20, 2021 • Final
Building/residential/al/alteration
Remodel the interior kitchen and bathroom. Remove and replace windows and replace the water heater with a tankless heater. Install new gas lines for the water heater, stove, and a new furnace in the attic, remove wall heaters, and install a new beam after removing a section of the wall.
Bathroom
Electrical
HVAC
Kitchen
Plumbing
Remodel
Sep 23, 2015 • Final
Building - residential re-roof
Tear off and repair the roof on a residential building. Install new felt and ventilation.
Roofing
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
Subdivision Name: EL SOBRANTE MANOR
Living Sq. Ft: 1,010
Ground Floor Sq. Ft: 1,010
Building Sq. Ft: 1,010
# of Stories: 1
Legal Description: EL SOBRANTE MANOR #4 364
Parking & Garage Information
Garage/Parking Sq. Ft: 360
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,400
Legal Lot Number: 364
Acres: 0.2388
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,010
Stories: 1.0
Lot Size: 10,400 square feet
Style: Single Family Residential
Year Built: 1950
Year Renovated: 1970
County: Contra Costa County
APN: 4261220042
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
$568,000 – $687,000
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