21046 Baker Rd is a 5,539 square foot multi-family home on a 10,350 square foot lot with 9 bedrooms and 10 bathrooms. - it last sold on October 26, 1989 for $160,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,710,740.
Multi-familyProperty Type
1991Year Built
10,350 sq ftLot Size
$309Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,710,740
$1.6M since sold in October 1989$183K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 22% higher than the average sale price ($1.40M) 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
Jun 27, 2019 • Final
Building
Perform a roof overlay on the back side of a residential building. Install new composition shingles over the existing single layer of composition shingles.
Roofing
Nov 20, 2012 • Final
Building
Perform a roof overlay on a residential building. Install dimensional shingles over an existing layer of composition shingles.
Roofing
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
Construction Type: Wood
Building Construction Quality: Average
Property Information
Subdivision Name: BAKER VISTA
Living Sq. Ft: 5,539
Building Sq. Ft: 5,539
# of Units: 4
# of Stories: 2
Legal Description: OFFICIAL RECS 4 PG 71 PART OF LOT 16
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,350
Legal Lot Number: 16
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.2376
County Use Description: FOUR LIVING UNITS; E.G. FOURPL
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 9
Baths: 10.0
Sq. Ft.: 5,539
Stories: 2.0
Lot Size: 10,350 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1991
Year Renovated: 1991
County: Alameda County
APN: 084A001702400
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 • 0.3mi
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 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...