1129 Kelvin Rd is a 1,326 square foot house on a 7,500 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on September 12, 2005 for $555,000. Based on Redfin's El Sobrante data, we estimate the home's value is $650,436.
Single-familyProperty Type
1984Year Built
7,500 sq ftLot Size
$491Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$650,436
$95K since sold in September 2005$21K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.3% lower than the average sale price ($687K) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40396450
Apr 15, 2009
Listing Removed
—
Feb 24, 2009
Listing Removed
—
Public Records
Sep 12, 2005
Sold
$555,000
$419/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40092567
Aug 4, 2005
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2026
$4,831 (+3.0%)
$131,342 + $144,478
$275,820
2025
$4,691 (+2.3%)
$131,342 + $144,478
$275,820
2024
$4,585 (+2.3%)
$128,767 + $141,646
$270,413
2023
$4,480 (+1.7%)
$126,243 + $138,869
$265,112
2022
$4,407 (+0.8%)
$123,768 + $136,147
$259,915
2021
$4,373 (+4.3%)
$121,342 + $133,478
$254,820
2020
$4,194 (+1.3%)
$118,963 + $130,861
$249,824
2019
$4,140 (+4.3%)
$117,744 + $129,520
$247,264
2018
$3,971 (+2.8%)
$115,436 + $126,981
$242,417
2017
$3,862 (+1.9%)
$110,954 + $122,051
$233,005
2016
$3,791 (+0.9%)
$110,954 + $122,051
$233,005
2015
$3,759 (+0.9%)
$108,779 + $119,658
$228,437
2014
$3,727 (+1.8%)
$105,048 + $115,553
$220,601
2013
$3,663 (+21.1%)
$105,048 + $115,553
$220,601
2012
$3,024 (−9.0%)
$104,574 + $115,031
$219,605
2011
$3,325 (+4.4%)
$98,281 + $86,719
$185,000
2010
$3,185 (+0.7%)
$100,514 + $110,565
$211,079
2009
$3,162 (−49.6%)
$99,763 + $109,739
$209,502
2008
$6,270
$100,000 + $110,000
$210,000
Tax history for 1129 Kelvin Rd
Year
Property tax
Land + Additions
Assessment*
2026
$4,831 (+3.0%)
$131,342 + $144,478
$275,820
2025
$4,691 (+2.3%)
$131,342 + $144,478
$275,820
2024
$4,585 (+2.3%)
$128,767 + $141,646
$270,413
2023
$4,480 (+1.7%)
$126,243 + $138,869
$265,112
2022
$4,407 (+0.8%)
$123,768 + $136,147
$259,915
2021
$4,373 (+4.3%)
$121,342 + $133,478
$254,820
2020
$4,194 (+1.3%)
$118,963 + $130,861
$249,824
2019
$4,140 (+4.3%)
$117,744 + $129,520
$247,264
2018
$3,971 (+2.8%)
$115,436 + $126,981
$242,417
2017
$3,862 (+1.9%)
$110,954 + $122,051
$233,005
2016
$3,791 (+0.9%)
$110,954 + $122,051
$233,005
2015
$3,759 (+0.9%)
$108,779 + $119,658
$228,437
2014
$3,727 (+1.8%)
$105,048 + $115,553
$220,601
2013
$3,663 (+21.1%)
$105,048 + $115,553
$220,601
2012
$3,024 (−9.0%)
$104,574 + $115,031
$219,605
2011
$3,325 (+4.4%)
$98,281 + $86,719
$185,000
2010
$3,185 (+0.7%)
$100,514 + $110,565
$211,079
2009
$3,162 (−49.6%)
$99,763 + $109,739
$209,502
2008
$6,270
$100,000 + $110,000
$210,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Mar 4, 2010 • Final
Building/rrip/single family/na
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 Fuel Type: Gas
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Good
Foundation Type: Slab
Building Style Type: Ranch
Building Construction Quality: Average
Exterior Wall: Wood Siding
Property Information
Living Sq. Ft: 1,326
Ground Floor Sq. Ft: 1,326
Building Sq. Ft: 1,326
# of Stories: 1
Legal Description: PCL MAP 82 PG 25 PCL D
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Garage/Carport
Garage/Parking Sq. Ft: 400
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,500
Acres: 0.1722
Zoning Code: R-7
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,326
Stories: 1.0
Lot Size: 7,500 square feet
Style: Single Family Residential
Year Built: 1984
Year Renovated: 1985
County: Contra Costa County
APN: 4260400652
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 • 1.1mi
5/10
Betty Reid Soskin Middle
Public 6-8 • Assigned • 0.2mi
2/10
De Anza Senior High School
Public 9-12 • Assigned • 1.7mi
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
$618,000 – $749,000
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