4187 Berdina Rd is a 1,344 square foot house on a 9,350 square foot lot with 2 bedrooms and 2 bathrooms. - it last sold on June 23, 1992 for $156,500. Based on Redfin's Castro Valley data, we estimate the home's value is $890,259.
Single-familyProperty Type
1928Year Built
9,350 sq ftLot Size
$662Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$890,259
$734K since sold in June 1992$30K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 17.1% lower than the average sale price ($1.07M) 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.
Zoning and permits
Zoning
Permits
RSL
Residential Small Lot Districts
Residential Small Lot districts, hereinafter designated as RSL, are established to support infill projects of duplexes, small lot single-family detached units, and townhouses. The RSL district implements and is consistent with the residential small lot land use classification of the Castro Valley General Plan.
Permitted uses
Include but are not limited to:
Agriculture-Other
Housing-Single unit
Housing-Multiple units
Agriculture-Cropland
Agriculture-Grove / orchard / vineyard
Jun 11, 2025 • Final
Building
Replace a wall heater in the master bedroom. Install a new ductless split system and a 220 volt circuit.
HVAC
May 12, 2017 • Final
Building
Install a roof-mounted solar photovoltaic system on a residential building. The project includes the installation of solar panels.
Electrical
Solar
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
Heating & Cooling
Heating Type: Floor Furnace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Rectangular Design
Construction Type: Wood
Building Construction Quality: Average
Exterior Wall: Wood Siding
Building Type: Detached
Property Information
Subdivision Name: PARCEL MAP 2077
Living Sq. Ft: 1,344
Building Sq. Ft: 1,344
# of Units: 1
# of Stories: 1
Legal Description: PARCEL MAPS 2077 LOT A
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 9,350
Legal Lot Number: A
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.2146
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,344
Stories: 1.0
Lot Size: 9,350 square feet
Style: Single Family Residential
Year Built: 1928
Year Renovated: 1928
County: Alameda County
APN: 084C072605600
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Marshall Elementary School
Public K-5 • Assigned • 0.2mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 0.6mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.4mi
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...