2123 Derby St is a 1,150 square foot house on a 4,725 square foot lot with 2 bedrooms and 1 bathroom. Based on Redfin's Berkeley data, we estimate the home's value is $1,184,840.
Single-familyProperty Type
1921Year Built
4,725 sq ftLot Size
$1,030Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,184,840
$57K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1% higher than the average sale price ($1.17M) 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
$11,487 (+10.1%)
$187,606 + $437,749
$625,355
2024
$10,432 (+2.7%)
$183,929 + $429,167
$613,096
2023
$10,155 (+2.5%)
$180,323 + $420,755
$601,078
2022
$9,905 (−0.2%)
$173,322 + $404,419
$577,741
2021
$9,922 (+5.5%)
$173,322 + $404,419
$577,741
2020
$9,407 (+4.0%)
$169,925 + $396,492
$566,417
2019
$9,045 (+1.9%)
$168,184 + $392,429
$560,613
2018
$8,879 (+3.7%)
$164,886 + $384,735
$549,621
2017
$8,565 (+3.6%)
$158,485 + $369,799
$528,284
2016
$8,271 (+1.4%)
$158,485 + $369,799
$528,284
2015
$8,153 (+0.9%)
$155,379 + $362,551
$517,930
2014
$8,084 (+0.2%)
$150,049 + $350,115
$500,164
2013
$8,069 (+3.7%)
$150,049 + $350,115
$500,164
2012
$7,780 (+2.1%)
$149,372 + $348,536
$497,908
2011
$7,616 (+0.6%)
$146,444 + $341,703
$488,147
2010
$7,573 (+245.6%)
$143,573 + $335,003
$478,576
2009
$2,191 (+11.3%)
$142,500 + $332,500
$475,000
2008
$1,969
$31,034 + $17,706
$48,740
Tax history for 2123 Derby St
Year
Property tax
Land + Additions
Assessment*
2025
$11,487 (+10.1%)
$187,606 + $437,749
$625,355
2024
$10,432 (+2.7%)
$183,929 + $429,167
$613,096
2023
$10,155 (+2.5%)
$180,323 + $420,755
$601,078
2022
$9,905 (−0.2%)
$173,322 + $404,419
$577,741
2021
$9,922 (+5.5%)
$173,322 + $404,419
$577,741
2020
$9,407 (+4.0%)
$169,925 + $396,492
$566,417
2019
$9,045 (+1.9%)
$168,184 + $392,429
$560,613
2018
$8,879 (+3.7%)
$164,886 + $384,735
$549,621
2017
$8,565 (+3.6%)
$158,485 + $369,799
$528,284
2016
$8,271 (+1.4%)
$158,485 + $369,799
$528,284
2015
$8,153 (+0.9%)
$155,379 + $362,551
$517,930
2014
$8,084 (+0.2%)
$150,049 + $350,115
$500,164
2013
$8,069 (+3.7%)
$150,049 + $350,115
$500,164
2012
$7,780 (+2.1%)
$149,372 + $348,536
$497,908
2011
$7,616 (+0.6%)
$146,444 + $341,703
$488,147
2010
$7,573 (+245.6%)
$143,573 + $335,003
$478,576
2009
$2,191 (+11.3%)
$142,500 + $332,500
$475,000
2008
$1,969
$31,034 + $17,706
$48,740
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R-2
Restricted Two-Family Residential District
The purpose of the Restricted Two-Family Residential (R-2) district is to: Implement the General Plan by encouraging the development of low medium-density residential areas characterized by a reasonably open and spacious type of development with a pattern of housing types ranging from single-family to duplexes and small apartment structures; Make available housing for persons who desire a range of housing choice with a relatively large amount of open space; and Protect adjacent properties from unreasonable obstruction of light and air.
Permitted uses
Include but are not limited to:
Agriculture-Other
Housing-Other
Park & open space
Property details
Interior
Room Information
# of Rooms: 5
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Subdivision Name: BERKELEY PROP MAPS 01
Living Sq. Ft: 1,150
Building Sq. Ft: 1,150
# of Units: 1
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,725
Legal Lot Number: 27
Legal Block Number: 1426
Municipality Name: BERKELEY INCORP
Acres: 0.1085
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 1,150
Stories: 1.0
Lot Size: 4,725 square feet
Style: Single Family Residential
Year Built: 1921
Year Renovated: 1921
County: Alameda County
APN: 055 182601400
Home facts updated by county records on Sep 16, 2026
Around this home
Schools
K - 12
Preschool & daycare
Sylvia Mendez Elementary
Public K-5 • Assigned • 0.3mi
8/10
Willard Middle School
Public 6-8 • Assigned • 0.4mi
10/10
Berkeley High School
Public 9-12 • Assigned • 0.6mi
9/10
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
0.31% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 86° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
16 unhealthy days expected this year, 16 days in 30 years
Provided by First Street
Historical weather
Berkeley, CA • 94705
Average low and high temperatures (°F)
61
47
62
48
67
51
64
50
68
53
68
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69
56
73
57
73
60
70
55
63
51
59
48
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
$1.13M – $1.36M
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