959 Kelvin Rd is a 1,415 square foot house on a 7,650 square foot lot with 3 bedrooms and 2 bathrooms. Based on Redfin's El Sobrante data, we estimate the home's value is $671,692.
Single-familyProperty Type
1950Year Built
7,650 sq ftLot Size
$475Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$671,692
$2,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.9% higher than the average sale price ($666K) 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*
2025
$4,292 (+2.3%)
$125,405 + $125,405
$250,810
2024
$4,195 (+2.4%)
$122,947 + $122,947
$245,894
2023
$4,095 (+1.8%)
$120,537 + $120,537
$241,074
2022
$4,025 (+0.9%)
$118,174 + $118,174
$236,348
2021
$3,989 (+4.3%)
$115,857 + $115,857
$231,714
2020
$3,825 (+1.3%)
$113,586 + $113,586
$227,172
2019
$3,776 (+4.4%)
$112,422 + $112,422
$224,844
2018
$3,618 (+3.0%)
$110,218 + $110,218
$220,436
2017
$3,513 (+2.1%)
$105,939 + $105,939
$211,878
2016
$3,441 (+1.0%)
$105,939 + $105,939
$211,878
2015
$3,406 (+0.9%)
$103,862 + $103,862
$207,724
2014
$3,377 (+11.6%)
$100,299 + $100,299
$200,598
2013
$3,026 (+10.6%)
$100,299 + $100,299
$200,598
2012
$2,735 (−8.9%)
$88,750 + $88,750
$177,500
2011
$3,003 (+4.4%)
$84,000 + $84,000
$168,000
2010
$2,877 (+0.8%)
$95,970 + $95,970
$191,940
2009
$2,853 (+9.3%)
$95,253 + $95,253
$190,506
2008
$2,609
$95,480 + $95,480
$190,960
Tax history for 959 Kelvin Rd
Year
Property tax
Land + Additions
Assessment*
2025
$4,292 (+2.3%)
$125,405 + $125,405
$250,810
2024
$4,195 (+2.4%)
$122,947 + $122,947
$245,894
2023
$4,095 (+1.8%)
$120,537 + $120,537
$241,074
2022
$4,025 (+0.9%)
$118,174 + $118,174
$236,348
2021
$3,989 (+4.3%)
$115,857 + $115,857
$231,714
2020
$3,825 (+1.3%)
$113,586 + $113,586
$227,172
2019
$3,776 (+4.4%)
$112,422 + $112,422
$224,844
2018
$3,618 (+3.0%)
$110,218 + $110,218
$220,436
2017
$3,513 (+2.1%)
$105,939 + $105,939
$211,878
2016
$3,441 (+1.0%)
$105,939 + $105,939
$211,878
2015
$3,406 (+0.9%)
$103,862 + $103,862
$207,724
2014
$3,377 (+11.6%)
$100,299 + $100,299
$200,598
2013
$3,026 (+10.6%)
$100,299 + $100,299
$200,598
2012
$2,735 (−8.9%)
$88,750 + $88,750
$177,500
2011
$3,003 (+4.4%)
$84,000 + $84,000
$168,000
2010
$2,877 (+0.8%)
$95,970 + $95,970
$191,940
2009
$2,853 (+9.3%)
$95,253 + $95,253
$190,506
2008
$2,609
$95,480 + $95,480
$190,960
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Mar 16, 2005 • Final
Building/residential/al/alteration
Remove an illegal urinal from a garage.
Plumbing
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
Property Information
Subdivision Name: EL SOBRANTE MANOR 06
Living Sq. Ft: 1,415
Ground Floor Sq. Ft: 1,415
Building Sq. Ft: 1,415
# of Stories: 1
Legal Description: EL SOBRANTE MANOR #6 494
Parking & Garage Information
Garage/Parking Sq. Ft: 592
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,650
Legal Lot Number: 494
Acres: 0.1756
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,415
Stories: 1.0
Lot Size: 7,650 square feet
Style: Single Family Residential
Year Built: 1950
Year Renovated: 1950
County: Contra Costa County
APN: 4261210100
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Murphy Elementary School
Public K-6 • Assigned • 0.9mi
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)
59
44
61
45
67
49
65
49
69
51
68
52
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
$639,000 – $773,000
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