20844 Baker Rd is a 836 square foot house on a 2,103 square foot lot with 2 bedrooms and 1 bathroom. - it last sold on January 03, 2002 for $275,000. Based on Redfin's Castro Valley data, we estimate the home's value is $674,470.
Single-familyProperty Type
1956Year Built
2,103 sq ftLot Size
$807Est. Price/Sq.Ft.
1 car garageParking
Source:Public Records
Redfin Estimate
$674,470
$399K since sold in January 2002$6,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.2% lower than the average sale price ($719K) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #11121325
Dec 5, 2001
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11023849
Jul 27, 1999
Listing Removed
—
Public Records
May 24, 1995
Sold
$115,500
$138/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$5,663 (+2.4%)
$124,306 + $290,047
$414,353
2024
$5,530 (+1.8%)
$121,869 + $284,361
$406,230
2023
$5,430 (+2.1%)
$119,479 + $278,786
$398,265
2022
$5,317 (+2.7%)
$114,840 + $267,961
$382,801
2021
$5,178 (+2.4%)
$114,840 + $267,961
$382,801
2020
$5,059 (−1.7%)
$112,589 + $262,708
$375,297
2019
$5,146 (+2.9%)
$111,435 + $260,015
$371,450
2018
$5,000 (+2.7%)
$109,250 + $254,918
$364,168
2017
$4,868 (+5.1%)
$105,009 + $245,021
$350,030
2016
$4,633 (+7.0%)
$105,009 + $245,021
$350,030
2015
$4,331 (+1.5%)
$102,950 + $240,218
$343,168
2014
$4,267 (+13.0%)
$99,419 + $231,977
$331,396
2013
$3,777 (+14.1%)
$99,419 + $231,977
$331,396
2012
$3,311 (−8.1%)
$87,000 + $203,000
$290,000
2011
$3,604 (−1.5%)
$75,000 + $175,000
$250,000
2010
$3,658 (−4.3%)
$82,500 + $192,500
$275,000
2009
$3,821 (−2.5%)
$84,000 + $196,000
$280,000
2008
$3,920
$88,200 + $206,000
$294,200
Tax history for 20844 Baker Rd
Year
Property tax
Land + Additions
Assessment*
2025
$5,663 (+2.4%)
$124,306 + $290,047
$414,353
2024
$5,530 (+1.8%)
$121,869 + $284,361
$406,230
2023
$5,430 (+2.1%)
$119,479 + $278,786
$398,265
2022
$5,317 (+2.7%)
$114,840 + $267,961
$382,801
2021
$5,178 (+2.4%)
$114,840 + $267,961
$382,801
2020
$5,059 (−1.7%)
$112,589 + $262,708
$375,297
2019
$5,146 (+2.9%)
$111,435 + $260,015
$371,450
2018
$5,000 (+2.7%)
$109,250 + $254,918
$364,168
2017
$4,868 (+5.1%)
$105,009 + $245,021
$350,030
2016
$4,633 (+7.0%)
$105,009 + $245,021
$350,030
2015
$4,331 (+1.5%)
$102,950 + $240,218
$343,168
2014
$4,267 (+13.0%)
$99,419 + $231,977
$331,396
2013
$3,777 (+14.1%)
$99,419 + $231,977
$331,396
2012
$3,311 (−8.1%)
$87,000 + $203,000
$290,000
2011
$3,604 (−1.5%)
$75,000 + $175,000
$250,000
2010
$3,658 (−4.3%)
$82,500 + $192,500
$275,000
2009
$3,821 (−2.5%)
$84,000 + $196,000
$280,000
2008
$3,920
$88,200 + $206,000
$294,200
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Apr 26, 2013 • Final
Building
Remove a wall heater and install a new central heating system and air conditioner in the attic. The work includes extending the gas line and air ducts, and installing electrical circuits for the air conditioner.
HVAC
Oct 21, 2011 • Final
Building
Remove and replace a water heater in the same location.
Plumbing
Water heater
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: 836
Building Sq. Ft: 836
# of Units: 1
# of Stories: 1
Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Undefined Type - 1 Car Garage
Garage / Carport Type: Undefined Type - 1 Car
Lot Information
# of Buildings: 1
Land Sq. Ft: 2,103
Legal Lot Number: 17
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.0483
County Use Description: PLANNED DEVELOPMENT TRACT SFR
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 836
Stories: 1.0
Lot Size: 2,103 square feet
Style: Single Family Residential
Year Built: 1956
Year Renovated: 1956
County: Alameda County
APN: 084A001705100
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
K - 12
Preschool & daycare
Castro Valley Elementary School
Public K-5 • Assigned • 0.2mi
6/10
Creekside Middle School
Public 6-8 • Assigned • 1.3mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.8mi
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...