4273 Seven Hills Rd is a 1,865 square foot house on a 0.32 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on November 09, 1993 for $67,500. Based on Redfin's Castro Valley data, we estimate the home's value is $1,182,310.
Single-familyProperty Type
1942Year Built
0.32 acresLot Size
$634Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,182,310
$1.1M since sold in November 1993$23K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.3% lower than the average sale price ($1.28M) 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
Sep 2, 2025 • Final
Building
HVAC
Feb 28, 2025 • Final
Building
Remove and replace the roof on a residential building with new asphalt shingles. Use the existing roof deck.
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
Room Information
# of Rooms: 8
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,865
Building Sq. Ft: 1,865
# of Units: 1
# of Stories: 1
Legal Description: MISC 5181 PG 442
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 14,039
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.3223
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,865
Stories: 1.0
Lot Size: 0.32 acres
Style: Single Family Residential
Year Built: 1942
Year Renovated: 1942
County: Alameda County
APN: 084D134103800
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Chabot Elementary School
Public K-5 • Assigned • 0.7mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 1.2mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.4mi
9/10
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...
Strong buyer demand keeps the Castro Valley market moving incredibly fast. With homes frequently selling above their $1.2 million median price, decisive action is essential. To win here, buyers need to submit competitive offers quickly and minimize...