1521 Walnut St is a 1,794 square foot house on a 4,170 square foot lot with 4 bedrooms and 2 bathrooms. Based on Redfin's Berkeley data, we estimate the home's value is $1,889,521.
Single-familyProperty Type
1918Year Built
4,170 sq ftLot Size
$1,053Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,889,521
$38K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.1% lower than the average sale price ($1.89M) of 5 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
$8,023 (+21.4%)
$72,023 + $33,510
$105,533
2024
$6,611 (+3.7%)
$70,611 + $32,853
$103,464
2023
$6,377 (+1.0%)
$69,227 + $32,209
$101,436
2022
$6,317 (+0.9%)
$66,539 + $30,959
$97,498
2021
$6,264 (+9.5%)
$66,539 + $30,959
$97,498
2020
$5,721 (+8.9%)
$65,234 + $30,352
$95,586
2019
$5,252 (+3.4%)
$64,565 + $30,041
$94,606
2018
$5,080 (+4.2%)
$63,300 + $29,452
$92,752
2017
$4,875 (+7.8%)
$60,842 + $28,308
$89,150
2016
$4,524 (+2.4%)
$60,842 + $28,308
$89,150
2015
$4,419 (+2.9%)
$59,649 + $27,753
$87,402
2014
$4,295 (+5.2%)
$57,602 + $26,801
$84,403
2013
$4,082 (+3.1%)
$57,602 + $26,801
$84,403
2012
$3,961 (+3.5%)
$57,342 + $26,680
$84,022
2011
$3,827 (+0.9%)
$56,218 + $26,157
$82,375
2010
$3,793 (+0.4%)
$55,116 + $25,644
$80,760
2009
$3,776 (+11.3%)
$54,704 + $25,452
$80,156
2008
$3,392
$54,834 + $25,513
$80,347
Tax history for 1521 Walnut St
Year
Property tax
Land + Additions
Assessment*
2025
$8,023 (+21.4%)
$72,023 + $33,510
$105,533
2024
$6,611 (+3.7%)
$70,611 + $32,853
$103,464
2023
$6,377 (+1.0%)
$69,227 + $32,209
$101,436
2022
$6,317 (+0.9%)
$66,539 + $30,959
$97,498
2021
$6,264 (+9.5%)
$66,539 + $30,959
$97,498
2020
$5,721 (+8.9%)
$65,234 + $30,352
$95,586
2019
$5,252 (+3.4%)
$64,565 + $30,041
$94,606
2018
$5,080 (+4.2%)
$63,300 + $29,452
$92,752
2017
$4,875 (+7.8%)
$60,842 + $28,308
$89,150
2016
$4,524 (+2.4%)
$60,842 + $28,308
$89,150
2015
$4,419 (+2.9%)
$59,649 + $27,753
$87,402
2014
$4,295 (+5.2%)
$57,602 + $26,801
$84,403
2013
$4,082 (+3.1%)
$57,602 + $26,801
$84,403
2012
$3,961 (+3.5%)
$57,342 + $26,680
$84,022
2011
$3,827 (+0.9%)
$56,218 + $26,157
$82,375
2010
$3,793 (+0.4%)
$55,116 + $25,644
$80,760
2009
$3,776 (+11.3%)
$54,704 + $25,452
$80,156
2008
$3,392
$54,834 + $25,513
$80,347
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R-2A
Restricted Multiple-Family Residential District
The purpose of the Restricted Multiple-Family Residential (R-2A) district is to: Implement the General Plan by encouraging the development of medium-density residential areas characterized by small multiple-family and garden-type apartment structures with a maximum of open space consistent with this type of development; Make available housing for persons who desire apartment-type accommodations with a maximum of open space; Protect adjacent properties from unreasonable obstruction of light and air; and permit only land use intensity which is compatible with existing low-density residential structures and is not detrimental to the immediate neighborhood.
Permitted uses
Include but are not limited to:
Agriculture-Other
Housing-Other
Park & open space
Property details
Interior
Room Information
# of Rooms: 8
Exterior
Exterior Information
Building Style Type: Rectangular Design
Construction Type: Wood
Building Construction Quality: Average
Property Information
Subdivision Name: T M ANTISELLS MAP
Living Sq. Ft: 1,794
Building Sq. Ft: 1,794
# of Units: 1
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,170
Legal Lot Number: 9,29
Legal Block Number: 6
Municipality Name: BERKELEY INCORP
Acres: 0.0957
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,794
Stories: 2.0
Lot Size: 4,170 square feet
Style: Single Family Residential
Year Built: 1918
Year Renovated: 1918
County: Alameda County
APN: 059 225902300
Home facts updated by county records on Sep 16, 2026
Around this home
Schools
K - 12
Preschool & daycare
Berkeley Arts Magnet at Whittier School
Public K-5 • Assigned • 0.2mi
10/10
Martin Luther King Middle School
Public 6-8 • Assigned • 0.6mi
9/10
Berkeley High School
Public 9-12 • Assigned • 0.8mi
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
0.15% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 82° 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 • 94709
Average low and high temperatures (°F)
61
47
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48
67
51
64
50
68
53
68
54
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
$1.80M – $2.17M
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