17227 Rolando Ave is a 1,036 square foot house on a 5,250 square foot lot with 2 bedrooms and 1 bathroom. - it last sold on August 02, 1988 for $139,000. Based on Redfin's Castro Valley data, we estimate the home's value is $732,643.
Single-familyProperty Type
1943Year Built
5,250 sq ftLot Size
$707Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$732,643
$594K since sold in August 1988$10K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5% lower than the average sale price ($771K) of 5 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
Aug 25, 1988 • Final
Building
Perform an electrical service change for a single-family home.
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: 5
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Subdivision Name: EL PORTAL
Living Sq. Ft: 1,036
Building Sq. Ft: 1,036
# of Units: 1
# of Stories: 1.5
Legal Description: OFFICIAL RECS 8 PG 76 LOT 615
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,250
Legal Lot Number: 615
Municipality Name: SAN LORENZO UNINCORP
Acres: 0.1205
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 1,036
Stories: 1.5
Lot Size: 5,250 square feet
Style: Single Family Residential
Year Built: 1943
Year Renovated: 1943
County: Alameda County
APN: 080A022700900
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Corvallis Elementary School
Public K-5 • Assigned • 3.0mi
4/10
Edendale Middle School
Public 6-8 • Assigned • 1.1mi
1/10
San Lorenzo High School
Public 9-12 • Assigned • 1.5mi
3/10
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...