4247 David St is a 1,141 square foot house on a 5,400 square foot lot with 2 bedrooms and 2 bathrooms. - it last sold on August 23, 2017 for $468,000. Based on Redfin's Castro Valley data, we estimate the home's value is $882,012.
Single-familyProperty Type
1952Year Built
5,400 sq ftLot Size
$773Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$882,012
$414K since sold in August 2017$11K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.9% lower than the average sale price ($968K) 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
R1
Single-Family Residence Districts
Single-family residence districts, hereinafter designated as R-1 districts, are established to provide for and protect established neighborhoods of one-family dwellings, and to provide space in suitable locations for additional development of this kind, together with appropriate community facilities and allowance for restricted interim cultivation of the soil compatible with such low-density residential development.
Permitted uses
Include but are not limited to:
Housing-Single unit
Agriculture-Cropland
Agriculture-Grove / orchard
Nov 5, 2025 • Final
Building
Upgrade the electrical service to 200 amps and perform a final inspection.
Electrical
Aug 3, 2022 • Final
Residential roof-mounted solar pv, ess & electrical
Install a roof-mounted solar photovoltaic system on a residential building.
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: Forced Air
Room Information
# of Rooms: 5
Exterior
Exterior Information
Physical Condition: Excellent
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,141
Building Sq. Ft: 1,141
# of Units: 1
# of Stories: 1
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,400
Legal Lot Number: 7
Legal Block Number: 5
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.124
Depth Footage: 100
Front Footage: 54
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,141
Stories: 1.0
Lot Size: 5,400 square feet
Style: Single Family Residential
Year Built: 1952
Year Renovated: 1987
County: Alameda County
APN: 084C105300700
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Marshall Elementary School
Public K-5 • Assigned • 0.4mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 0.3mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 1.0mi
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...