723 Kelvin Rd is a 1,103 square foot house on a 0.49 acre lot with 2 bedrooms and 1 bathroom. - it last sold on February 29, 2008 for $350,000. Based on Redfin's El Sobrante data, we estimate the home's value is $631,069.
Single-familyProperty Type
1941Year Built
0.49 acresLot Size
$572Est. Price/Sq.Ft.
1 car garageParking
Source:Public Records
Redfin Estimate
$631,069
$281K since sold in February 2008$6,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.2% higher than the average sale price ($606K) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40308760
Dec 5, 2007
Listing Removed
—
Public Records
Oct 20, 2005
Sold
$550,000
$499/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40104559
Sep 16, 2005
Listing Removed
—
Public Records
Sep 6, 1972
Sold
$18,500
$17/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$7,092 (+2.4%)
$292,066 + $160,764
$452,830
2025
$6,925 (+2.3%)
$292,066 + $160,764
$452,830
2024
$6,767 (+2.2%)
$286,340 + $157,612
$443,952
2023
$6,620 (+1.4%)
$280,726 + $154,522
$435,248
2022
$6,526 (+0.5%)
$275,222 + $151,493
$426,715
2021
$6,494 (+4.4%)
$269,826 + $148,523
$418,349
2020
$6,221 (+1.4%)
$264,536 + $145,611
$410,147
2019
$6,134 (+4.0%)
$261,824 + $144,118
$405,942
2018
$5,897 (+2.5%)
$256,691 + $141,293
$397,984
2017
$5,753 (+1.3%)
$246,724 + $135,807
$382,531
2016
$5,677 (+13.4%)
$246,724 + $135,807
$382,531
2015
$5,008 (+19.6%)
$241,887 + $133,145
$375,032
2014
$4,186 (+33.5%)
$164,468 + $90,532
$255,000
2013
$3,136 (+11.0%)
$164,468 + $90,532
$255,000
2012
$2,826 (−11.8%)
$115,450 + $63,550
$179,000
2011
$3,203 (−2.0%)
$112,333 + $56,167
$168,500
2010
$3,269 (+0.9%)
$129,639 + $71,361
$201,000
2009
$3,240 (−26.7%)
$139,314 + $76,686
$216,000
2008
$4,420
$139,314 + $76,686
$216,000
Tax history for 723 Kelvin Rd
Year
Property tax
Land + Additions
Assessment*
2026
$7,092 (+2.4%)
$292,066 + $160,764
$452,830
2025
$6,925 (+2.3%)
$292,066 + $160,764
$452,830
2024
$6,767 (+2.2%)
$286,340 + $157,612
$443,952
2023
$6,620 (+1.4%)
$280,726 + $154,522
$435,248
2022
$6,526 (+0.5%)
$275,222 + $151,493
$426,715
2021
$6,494 (+4.4%)
$269,826 + $148,523
$418,349
2020
$6,221 (+1.4%)
$264,536 + $145,611
$410,147
2019
$6,134 (+4.0%)
$261,824 + $144,118
$405,942
2018
$5,897 (+2.5%)
$256,691 + $141,293
$397,984
2017
$5,753 (+1.3%)
$246,724 + $135,807
$382,531
2016
$5,677 (+13.4%)
$246,724 + $135,807
$382,531
2015
$5,008 (+19.6%)
$241,887 + $133,145
$375,032
2014
$4,186 (+33.5%)
$164,468 + $90,532
$255,000
2013
$3,136 (+11.0%)
$164,468 + $90,532
$255,000
2012
$2,826 (−11.8%)
$115,450 + $63,550
$179,000
2011
$3,203 (−2.0%)
$112,333 + $56,167
$168,500
2010
$3,269 (+0.9%)
$129,639 + $71,361
$201,000
2009
$3,240 (−26.7%)
$139,314 + $76,686
$216,000
2008
$4,420
$139,314 + $76,686
$216,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Sep 25, 2009 • Final
Building/rrip/single family/na
New construction
Jul 23, 2007 • Final
Building - residential plumbing
Install gas shut-off devices.
Gas
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
Living Sq. Ft: 1,103
Ground Floor Sq. Ft: 1,103
Building Sq. Ft: 1,103
# of Stories: 1
Legal Description: EL SOBRANTE MANOR LOT 106
Parking & Garage Information
Garage/Parking Sq. Ft: 306
Lot Information
# of Buildings: 1
Land Sq. Ft: 21,250
Legal Lot Number: 106
Acres: 0.4878
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 1,103
Stories: 1.0
Lot Size: 0.49 acres
Style: Single Family Residential
Year Built: 1941
Year Renovated: 1951
County: Contra Costa County
APN: 4261610119
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 • 0.7mi
5/10
Betty Reid Soskin Middle
Public 6-8 • Assigned • 0.4mi
2/10
De Anza Senior High School
Public 9-12 • Assigned • 1.2mi
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 88° 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
$600,000 – $726,000
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