21112 Baker Rd is a 2,018 square foot house on a 6,893 square foot lot with 5 bedrooms and 4 bathrooms. - it last sold on April 12, 2007 for $520,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,190,101.
Single-familyProperty Type
1953Year Built
6,893 sq ftLot Size
$590Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,190,101
$670K since sold in April 2007$13K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15% higher than the average sale price ($1.04M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Apr 27, 2021 • Final
Building
Construct a new accessory dwelling unit at the rear of the property. The unit includes a living, kitchen, and dining area, a bedroom, bathrooms, and a laundry closet. Install a tankless water heater, a mini-split heating system, and a roof-mounted solar photovoltaic system.
ADU
Electrical
Solar
Apr 13, 2007 • Final
Building
Upgrade electrical service to 200 amps.
Electrical
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: 9
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 2,018
Building Sq. Ft: 2,018
# of Units: 1
# of Stories: 1
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,893
Legal Lot Number: 3
Legal Block Number: B
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1582
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 5
Baths: 4.0
Sq. Ft.: 2,018
Stories: 1.0
Lot Size: 6,893 square feet
Style: Single Family Residential
Year Built: 1953
Year Renovated: 1953
County: Alameda County
APN: 084A002002100
Home facts updated by county records on Jul 28, 2026
Around this home
Schools
Castro Valley Elementary School
Public K-5 • Assigned • 0.4mi
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...
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...