Google street view image for 21020 Baker Rd, Castro Valley, CA 94546

Off Market Nov 1986 for $159K

—

Est. refi paymentEst. refi $2,275/mo

•

6 ba

•

4,316

sq ft

21020 Baker Rd, Castro Valley, CA 94546

About this home

21020 Baker Rd is a 4,316 square foot multi-family home on a 0.28 acre lot with 9 bedrooms and 6 bathrooms. - it last sold on November 21, 1986 for $159,000.

Multi-familyProperty Type

1940Year Built

0.28 acresLot Size

$37Price/Sq.Ft.

Source:Public Records

Redfin Estimate

There isn’t enough information to generate an accurate estimate at this time. Learn More

Market trends in 94546, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.9%

1.3% MoM

Median sale price

$1.1M

$70K MoM

Avg. days on market

14d

1 days MoM

Recently sold homes

3 MoM

New listings for sale

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2 beds1 bath1,122 sq ft
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Pacific Home Brokers
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(415) 510-8600
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3 beds1 bath1,080 sq ft
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COMING SOON
$1,550,000
3 beds1.5 baths1,851 sq ft
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OPEN SAT, 5PM TO 7PM
$699,999
3 beds1 bath1,036 sq ft
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OPEN SUN, 2PM TO 4PM
$549,950
3 beds2 baths1,354 sq ft
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See all

Provided by Redfin

Sale history for 21020 Baker Rd

Year

Property tax

Land + Additions

Assessment*

2025

$13,147 (+3.0%)

$234,278 + $516,081

$750,359

2024

$12,758 (+2.8%)

$234,278 + $516,081

$750,359

2023

$12,409 (+3.0%)

$229,684 + $505,963

$735,647

2022

$12,048 (+3.4%)

$220,766 + $486,317

$707,083

2021

$11,650 (+2.7%)

$220,766 + $486,317

$707,083

2020

$11,348 (−1.4%)

$216,438 + $476,783

$693,221

2019

$11,503 (+11.6%)

$214,219 + $471,896

$686,115

2018

$10,311 (+2.9%)

$210,019 + $462,644

$672,663

2017

$10,023 (+4.9%)

$201,865 + $444,682

$646,547

2016

$9,553 (+7.2%)

$201,865 + $444,682

$646,547

2015

$8,909 (+2.3%)

$197,907 + $435,964

$633,871

2014

$8,709 (+2.0%)

$191,116 + $421,006

$612,122

2013

$8,539 (+2.5%)

$191,116 + $421,006

$612,122

2012

$8,327 (+1.5%)

$190,254 + $419,106

$609,360

2011

$8,203 (+0.9%)

$186,524 + $410,889

$597,413

2010

$8,131 (−0.4%)

$182,868 + $402,835

$585,703

2009

$8,166 (+3.2%)

$181,502 + $399,827

$581,329

2008

$7,913

$181,934 + $400,779

$582,713

Tax history for 21020 Baker Rd

Year

Property tax

Land + Additions

Assessment*

2025

$13,147 (+3.0%)

$234,278 + $516,081

$750,359

2024

$12,758 (+2.8%)

$234,278 + $516,081

$750,359

2023

$12,409 (+3.0%)

$229,684 + $505,963

$735,647

2022

$12,048 (+3.4%)

$220,766 + $486,317

$707,083

2021

$11,650 (+2.7%)

$220,766 + $486,317

$707,083

2020

$11,348 (−1.4%)

$216,438 + $476,783

$693,221

2019

$11,503 (+11.6%)

$214,219 + $471,896

$686,115

2018

$10,311 (+2.9%)

$210,019 + $462,644

$672,663

2017

$10,023 (+4.9%)

$201,865 + $444,682

$646,547

2016

$9,553 (+7.2%)

$201,865 + $444,682

$646,547

2015

$8,909 (+2.3%)

$197,907 + $435,964

$633,871

2014

$8,709 (+2.0%)

$191,116 + $421,006

$612,122

2013

$8,539 (+2.5%)

$191,116 + $421,006

$612,122

2012

$8,327 (+1.5%)

$190,254 + $419,106

$609,360

2011

$8,203 (+0.9%)

$186,524 + $410,889

$597,413

2010

$8,131 (−0.4%)

$182,868 + $402,835

$585,703

2009

$8,166 (+3.2%)

$181,502 + $399,827

$581,329

2008

$7,913

$181,934 + $400,779

$582,713

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Permits

May 4, 2017 • Final

Building

Assign new addresses for an existing single-family home that has been converted into a duplex.

Addition

Apr 23, 2010 • Final

Building

Addition

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: 22

Exterior

Exterior Information
Physical Condition: Good
Construction Type: Wood
Building Construction Quality: Average

Property Information
Subdivision Name: BAKER VISTA
Living Sq. Ft: 4,316
Building Sq. Ft: 4,316
# of Units: 6
# of Stories: 1
Legal Description: MAP 4 PG 71 PART OF LOT 16

Lot Information
# of Buildings: 1
Land Sq. Ft: 12,050
Legal Lot Number: 16
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.2766
County Use Description: MULTIPLE RESIDENTIAL BUILDING

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 9
Baths: 6.0
Sq. Ft.: 4,316
Stories: 1.0
Lot Size: 0.28 acres
Style: Multi-Family (5+ Unit)
Year Built: 1940
Year Renovated: 1960
County: Alameda County
APN: 084A001702600

Home facts updated by county records on Jul 28, 2026

Around this home

Schools

Castro Valley Elementary School

Public K-5 • Assigned • 0.3mi

6/10

Creekside Middle School

Public 6-8 • Assigned • 1.4mi

10/10

Castro Valley High School

Public 9-12 • Assigned • 0.9mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Castro Valley is moving at a brisk pace this summer! Median prices are holding steady around $1.2M, but well-priced, turnkey homes are flying off the market in under 15 days, often over asking. Inventory is moving fast, so buyers must come prepared...
1 hour ago • Castro Valley
Johnny Singh
Redfin Premier agent
146 deals
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Strong buyer demand keeps the Castro Valley market moving incredibly fast. With homes frequently selling above their $1.2 million median price, decisive action is essential. To win here, buyers need to submit competitive offers quickly and minimize...
1 month ago • Castro Valley
Karan Kandel
Redfin agent
13 deals
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Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

4/10 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

7/10 Air Factor

12 unhealthy days expected this year, 12 days in 30 years

Provided by First Street

Historical weather

Castro Valley, CA • 94546

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 11.2 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.2 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Is this your home?

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Home values near 21020 Baker Rd

Data from public records.

Address	Redfin Estimate
20960 Baker Rd, Castro Valley, CA 2 Beds \| 1 Baths \| 836 Sq. Ft.	$698,643
21032 Baker Rd, Castro Valley, CA 3 Beds \| 2 Baths \| 1654 Sq. Ft.	$1,117,975

Address	Redfin Estimate
21039 Baker Rd, Castro Valley, CA 2 Beds \| 1.5 Baths \| 1056 Sq. Ft.	$509,927
21000 Baker Rd, Castro Valley, CA 27 Beds \| 21 Baths \| 17428 Sq. Ft.	—

Address	Redfin Estimate
21053 Baker Rd, Castro Valley, CA 2 Beds \| 1.5 Baths \| 1056 Sq. Ft.	$531,205
21057 Baker Rd, Castro Valley, CA 2 Beds \| 1.5 Baths \| 1056 Sq. Ft.	$528,377

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Market trends in 94546, CA

Sale history for 21020 Baker Rd

Tax history for 21020 Baker Rd

Permits

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Is this your home?

Nearby similar homes

New listings for sale in 94546

Home values near 21020 Baker Rd

More real estate resources