5778 Greenridge Rd is a 1,901 square foot house on a 7,200 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on July 21, 1989 for $318,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,339,643.
Single-familyProperty Type
1963Year Built
7,200 sq ftLot Size
$705Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,339,643
$1.0M since sold in July 1989$15K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 19.3% lower than the average sale price ($1.66M) 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
Oct 2, 2025 • Final
Building
Relocate and install a new mini-split heating and air conditioning system.
HVAC
Apr 28, 2025 • Final
Building
Upgrade the main electrical panel and install a new electrical subpanel.
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: 6
Exterior
Exterior Information
Building Style Type: H-Shape
Construction Type: Wood
Building Construction Quality: Average
Pool Information
Has Pool
Property Information
Living Sq. Ft: 1,901
Building Sq. Ft: 1,901
# of Units: 1
# of Stories: 1
Legal Description: TRACT 2166 BLK B LOT 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,200
Legal Lot Number: 1
Legal Block Number: B
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1653
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,901
Stories: 1.0
Lot Size: 7,200 square feet
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1964
County: Alameda County
APN: 085 160406300
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Independent Elementary School
Public K-5 • Assigned • 1.0mi
9/10
Canyon Middle School
Public 6-8 • Assigned • 0.5mi
7/10
Castro Valley High School
Public 9-12 • Assigned • 1.7mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
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...