5276 Hilltop Rd is a 4,352 square foot house on a 1.01 acre lot with 4 bedrooms and 5 bathrooms. Based on Redfin's Castro Valley data, we estimate the home's value is $3,133,544.
Single-familyProperty Type
2025Year Built
1.01 acresLot Size
$720Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$3,133,544
$78K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 72.3% higher than the average sale price ($1.82M) 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.
Permits
Jan 13, 2025 • Final
Building
Construct a new single-family home with five bedrooms, four bathrooms, and one-half bathroom. The project includes an attached garage and a new electrical service panel.
New construction
Sep 18, 2024 • Final
Building
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
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Excellent
Building Style Type: U-Shape
Construction Type: Wood
Building Construction Quality: Good
Property Information
Living Sq. Ft: 4,352
Building Sq. Ft: 4,352
# of Units: 1
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,882
Legal Lot Number: 10
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 1.0074
County Use Description: PLANNED DEVELOPMENT TRACT SFR
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 5.0
Sq. Ft.: 4,352
Stories: 2.0
Lot Size: 1.01 acres
Style: Single Family Residential
Year Built: 2025
Year Renovated: 2025
County: Alameda County
APN: 085A600001303
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
K - 12
Preschool & daycare
Independent Elementary School
Public K-5 • Assigned • 1.7mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 2.1mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 3.0mi
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...