3548 Carlfield St is a 1,073 square foot house on a 5,200 square foot lot with 2 bedrooms and 1 bathroom. Based on Redfin's El Sobrante data, we estimate the home's value is $521,311.
Single-familyProperty Type
1948Year Built
5,200 sq ftLot Size
$486Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$521,311
$12K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8% lower than the average sale price ($567K) 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
$2,061 (+2.4%)
$20,559 + $61,127
$81,686
2024
$2,013 (+3.1%)
$20,156 + $59,929
$80,085
2023
$1,953 (+2.6%)
$19,761 + $58,754
$78,515
2022
$1,903 (+2.0%)
$19,374 + $57,602
$76,976
2021
$1,865 (+4.2%)
$18,995 + $56,473
$75,468
2020
$1,791 (+0.9%)
$18,623 + $55,366
$73,989
2019
$1,775 (+5.5%)
$18,433 + $54,799
$73,232
2018
$1,682 (+4.5%)
$18,072 + $53,725
$71,797
2017
$1,609 (+4.3%)
$17,371 + $51,640
$69,011
2016
$1,542 (+2.9%)
$17,371 + $51,640
$69,011
2015
$1,498 (+0.4%)
$17,031 + $50,628
$67,659
2014
$1,492 (+2.9%)
$16,448 + $48,892
$65,340
2013
$1,450 (+7.7%)
$16,448 + $48,892
$65,340
2012
$1,347 (+5.8%)
$16,374 + $48,672
$65,046
2011
$1,273 (+4.5%)
$16,053 + $47,718
$63,771
2010
$1,219 (+2.4%)
$15,739 + $46,783
$62,522
2009
$1,191 (+4.9%)
$15,622 + $46,434
$62,056
2008
$1,135
$15,660 + $46,545
$62,205
Tax history for 3548 Carlfield St
Year
Property tax
Land + Additions
Assessment*
2025
$2,061 (+2.4%)
$20,559 + $61,127
$81,686
2024
$2,013 (+3.1%)
$20,156 + $59,929
$80,085
2023
$1,953 (+2.6%)
$19,761 + $58,754
$78,515
2022
$1,903 (+2.0%)
$19,374 + $57,602
$76,976
2021
$1,865 (+4.2%)
$18,995 + $56,473
$75,468
2020
$1,791 (+0.9%)
$18,623 + $55,366
$73,989
2019
$1,775 (+5.5%)
$18,433 + $54,799
$73,232
2018
$1,682 (+4.5%)
$18,072 + $53,725
$71,797
2017
$1,609 (+4.3%)
$17,371 + $51,640
$69,011
2016
$1,542 (+2.9%)
$17,371 + $51,640
$69,011
2015
$1,498 (+0.4%)
$17,031 + $50,628
$67,659
2014
$1,492 (+2.9%)
$16,448 + $48,892
$65,340
2013
$1,450 (+7.7%)
$16,448 + $48,892
$65,340
2012
$1,347 (+5.8%)
$16,374 + $48,672
$65,046
2011
$1,273 (+4.5%)
$16,053 + $47,718
$63,771
2010
$1,219 (+2.4%)
$15,739 + $46,783
$62,522
2009
$1,191 (+4.9%)
$15,622 + $46,434
$62,056
2008
$1,135
$15,660 + $46,545
$62,205
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jan 30, 2010 • Final
Building/residential/cg/carport garage
Construct an addition to an existing detached garage.
Addition
Jan 30, 2010 • Final
Building - residential re-roof
Work on a reroof.
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
Living Sq. Ft: 1,073
Ground Floor Sq. Ft: 1,073
Building Sq. Ft: 1,073
# of Stories: 1
Legal Description: SERPA TRACT LOT 9 BLK 1
Parking & Garage Information
Garage/Parking Sq. Ft: 700
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,200
Legal Lot Number: 9
Legal Block Number: 1
Acres: 0.1194
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 1,073
Stories: 1.0
Lot Size: 5,200 square feet
Style: Single Family Residential
Year Built: 1948
Year Renovated: 1958
County: Contra Costa County
APN: 4200340091
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Riverside Elementary School
Public K-6 • Assigned • 0.9mi
4/10
Betty Reid Soskin Middle
Public 6-8 • Assigned • 1.7mi
2/10
De Anza Senior High School
Public 9-12 • Assigned • 1.9mi
4/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
7/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.31% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 87° 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
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
$496,000 – $600,000
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