20443 Center St is a 986 square foot house on a 6,600 square foot lot with 2 bedrooms and 1 bathroom. Based on Redfin's Castro Valley data, we estimate the home's value is $776,353.
Single-familyProperty Type
1947Year Built
6,600 sq ftLot Size
$787Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$776,353
$16K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 12% lower than the average sale price ($882K) 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
$1,533 (+3.4%)
$36,261 + $28,259
$64,520
2024
$1,483 (+3.4%)
$35,550 + $27,705
$63,255
2023
$1,434 (+3.5%)
$34,853 + $27,162
$62,015
2022
$1,385 (+3.3%)
$33,500 + $26,107
$59,607
2021
$1,341 (+2.6%)
$33,500 + $26,107
$59,607
2020
$1,307 (−0.7%)
$32,843 + $25,595
$58,438
2019
$1,316 (+3.2%)
$32,507 + $25,333
$57,840
2018
$1,275 (+3.0%)
$31,869 + $24,836
$56,705
2017
$1,238 (+5.3%)
$30,632 + $23,872
$54,504
2016
$1,176 (+7.0%)
$30,632 + $23,872
$54,504
2015
$1,099 (+4.1%)
$30,031 + $23,404
$53,435
2014
$1,056 (+3.3%)
$29,001 + $22,601
$51,602
2013
$1,022 (+3.3%)
$29,001 + $22,601
$51,602
2012
$989 (+1.8%)
$28,870 + $22,498
$51,368
2011
$972 (+1.2%)
$28,304 + $22,057
$50,361
2010
$961 (+1.0%)
$27,749 + $21,625
$49,374
2009
$952 (+8.3%)
$27,542 + $21,463
$49,005
2008
$879
$27,607 + $21,514
$49,121
Tax history for 20443 Center St
Year
Property tax
Land + Additions
Assessment*
2025
$1,533 (+3.4%)
$36,261 + $28,259
$64,520
2024
$1,483 (+3.4%)
$35,550 + $27,705
$63,255
2023
$1,434 (+3.5%)
$34,853 + $27,162
$62,015
2022
$1,385 (+3.3%)
$33,500 + $26,107
$59,607
2021
$1,341 (+2.6%)
$33,500 + $26,107
$59,607
2020
$1,307 (−0.7%)
$32,843 + $25,595
$58,438
2019
$1,316 (+3.2%)
$32,507 + $25,333
$57,840
2018
$1,275 (+3.0%)
$31,869 + $24,836
$56,705
2017
$1,238 (+5.3%)
$30,632 + $23,872
$54,504
2016
$1,176 (+7.0%)
$30,632 + $23,872
$54,504
2015
$1,099 (+4.1%)
$30,031 + $23,404
$53,435
2014
$1,056 (+3.3%)
$29,001 + $22,601
$51,602
2013
$1,022 (+3.3%)
$29,001 + $22,601
$51,602
2012
$989 (+1.8%)
$28,870 + $22,498
$51,368
2011
$972 (+1.2%)
$28,304 + $22,057
$50,361
2010
$961 (+1.0%)
$27,749 + $21,625
$49,374
2009
$952 (+8.3%)
$27,542 + $21,463
$49,005
2008
$879
$27,607 + $21,514
$49,121
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
R1
Single-Family Residence Districts
Single-family residence districts, hereinafter designated as R-1 districts, are established to provide for and protect established neighborhoods of one-family dwellings, and to provide space in suitable locations for additional development of this kind, together with appropriate community facilities and allowance for restricted interim cultivation of the soil compatible with such low-density residential development.
Permitted uses
Include but are not limited to:
Housing-Single unit
Agriculture-Cropland
Agriculture-Grove / orchard
May 15, 2014 • Final
Building
Tear off the existing roof and install new composition shingles.
Roofing
Apr 23, 1986 • Final
Building
Kitchen
Remodel
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: 5
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 986
Building Sq. Ft: 986
# of Units: 1
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,600
Legal Lot Number: 2,3
Legal Block Number: 2
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1515
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 986
Stories: 1.0
Lot Size: 6,600 square feet
Style: Single Family Residential
Year Built: 1947
Year Renovated: 1947
County: Alameda County
APN: 084C066002100
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Marshall Elementary School
Public K-5 • Assigned • 0.3mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 0.3mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 1.0mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Castro Valley remains a highly competitive market. On average, homes are selling for 103.7% of their asking price, with nearly 60% of properties closing above list price.
Castro Valley's fall market offers great buyer leverage. While median prices hold steady around $1.2M, increased inventory gives you room to negotiate on homes needing updates. Turnkey properties still move fast in under 15 days, so act quickly with...