5588 Oak Knoll Rd is a 2,158 square foot house on a 0.3 acre lot with 5 bedrooms and 3 bathrooms. Based on Redfin's El Sobrante data, we estimate the home's value is $804,377.
Single-familyProperty Type
1937Year Built
0.3 acresLot Size
$373Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$804,377
$9,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.2% lower than the average sale price ($823K) 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
$2,488 (+4.8%)
$21,061 + $81,729
$102,790
2025
$2,374 (+2.3%)
$21,061 + $81,729
$102,790
2024
$2,320 (+2.9%)
$20,649 + $80,127
$100,776
2023
$2,255 (+2.4%)
$20,245 + $78,556
$98,801
2022
$2,203 (+1.7%)
$19,849 + $77,016
$96,865
2021
$2,165 (+4.1%)
$19,460 + $75,506
$94,966
2020
$2,079 (+1.0%)
$19,079 + $74,026
$93,105
2019
$2,059 (+5.2%)
$18,884 + $73,267
$92,151
2018
$1,958 (+4.1%)
$18,514 + $71,831
$90,345
2017
$1,881 (+3.8%)
$17,796 + $69,043
$86,839
2016
$1,813 (+2.4%)
$17,796 + $69,043
$86,839
2015
$1,771 (+0.5%)
$17,448 + $67,690
$85,138
2014
$1,762 (+2.6%)
$16,850 + $65,368
$82,218
2013
$1,718 (+7.5%)
$16,850 + $65,368
$82,218
2012
$1,598 (+4.9%)
$16,774 + $65,073
$81,847
2011
$1,523 (+4.3%)
$16,446 + $63,798
$80,244
2010
$1,460 (+1.9%)
$16,124 + $62,548
$78,672
2009
$1,433 (+7.4%)
$16,004 + $62,081
$78,085
2008
$1,334
$16,043 + $62,229
$78,272
Tax history for 5588 Oak Knoll Rd
Year
Property tax
Land + Additions
Assessment*
2026
$2,488 (+4.8%)
$21,061 + $81,729
$102,790
2025
$2,374 (+2.3%)
$21,061 + $81,729
$102,790
2024
$2,320 (+2.9%)
$20,649 + $80,127
$100,776
2023
$2,255 (+2.4%)
$20,245 + $78,556
$98,801
2022
$2,203 (+1.7%)
$19,849 + $77,016
$96,865
2021
$2,165 (+4.1%)
$19,460 + $75,506
$94,966
2020
$2,079 (+1.0%)
$19,079 + $74,026
$93,105
2019
$2,059 (+5.2%)
$18,884 + $73,267
$92,151
2018
$1,958 (+4.1%)
$18,514 + $71,831
$90,345
2017
$1,881 (+3.8%)
$17,796 + $69,043
$86,839
2016
$1,813 (+2.4%)
$17,796 + $69,043
$86,839
2015
$1,771 (+0.5%)
$17,448 + $67,690
$85,138
2014
$1,762 (+2.6%)
$16,850 + $65,368
$82,218
2013
$1,718 (+7.5%)
$16,850 + $65,368
$82,218
2012
$1,598 (+4.9%)
$16,774 + $65,073
$81,847
2011
$1,523 (+4.3%)
$16,446 + $63,798
$80,244
2010
$1,460 (+1.9%)
$16,124 + $62,548
$78,672
2009
$1,433 (+7.4%)
$16,004 + $62,081
$78,085
2008
$1,334
$16,043 + $62,229
$78,272
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Mar 26, 2021 • Final
Building - residential mechanical
Replace a forced air unit in the basement.
HVAC
Sep 1, 2015 • Final
Building - residential solar photovoltaic
Install a new rooftop solar system with modules.
Electrical
Solar
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: 10
Exterior
Property Information
Living Sq. Ft: 2,158
Ground Floor Sq. Ft: 1,190
Building Sq. Ft: 2,158
# of Stories: 1
Legal Description: NAYLOR TRACT LOT 78
Lot Information
# of Buildings: 1
Land Sq. Ft: 13,200
Legal Lot Number: 78
Acres: 0.303
Zoning Code: R-10
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 2,158
Stories: 1.0
Lot Size: 0.3 acres
Style: Single Family Residential
Year Built: 1937
Year Renovated: 1940
County: Contra Costa County
APN: 4301320133
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Valley View Elementary School
Public K-6 • Assigned • 0.5mi
4/10
Betty Reid Soskin Middle
Public 6-8 • Assigned • 1.2mi
2/10
De Anza Senior High School
Public 9-12 • Assigned • 0.8mi
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
0.46% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 88° expected this year, 14 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
$765,000 – $926,000
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