22472 Ruby St is a 1,080 square foot house on a 5,096 square foot lot with 3 bedrooms and 1 bathroom. - it last sold on May 26, 1989 for $185,000. Based on Redfin's Castro Valley data, we estimate the home's value is $802,722.
Single-familyProperty Type
1963Year Built
5,096 sq ftLot Size
$743Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$802,722
$618K since sold in May 1989$20K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2% lower than the average sale price ($819K) 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
Jul 21, 2010 • Final
Building
Remove and replace a section of the existing sewer lateral located at the top of the driveway.
Plumbing
Dec 29, 2000 • Final
Building
Remove and replace the roof. Install new eaves in front of the door and over the stairs.
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
Heating & Cooling
Heating Type: Wall Furnace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Rectangular Design
Construction Type: Wood
Building Construction Quality: Average
Property Information
Subdivision Name: KNOX
Living Sq. Ft: 1,080
Building Sq. Ft: 1,080
# of Units: 1
# of Stories: 1
Legal Description: MAP 17 PG 87 BLK L PART OF LOT 6
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,096
Legal Lot Number: 6
Legal Block Number: L
Municipality Name: HAYWARD UNINCORP
Acres: 0.117
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,080
Stories: 1.0
Lot Size: 5,096 square feet
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1964
County: Alameda County
APN: 415 022007100
Home facts updated by county records on Sep 16, 2026
Around this home
Schools
Fairview Elementary School
Public K-6 • Assigned • 1.3mi
2/10
Bret Harte Middle School
Public 7-8 • Assigned • 0.8mi
4/10
Hayward High School
Public 9-12 • Assigned • 0.8mi
5/10
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...