20028 Redwood Rd is a 1,494 square foot house on a 4,998 square foot lot with 3 bedrooms and 1 bathroom. - it last sold on January 12, 1996 for $156,000. Based on Redfin's Castro Valley data, we estimate the home's value is $861,799.
Single-familyProperty Type
1920Year Built
4,998 sq ftLot Size
$577Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$861,799
$706K since sold in January 1996$65K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.4% higher than the average sale price ($859K) 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
Nov 14, 2008 • Final
Building
Tear off the existing roof and install new plywood and composition shingles on a residential building.
Roofing
Dec 26, 1995 • Final
Building
Work on re-roofing.
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
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Excellent
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Exterior Wall: Wood Siding
Building Type: Detached
Property Information
Living Sq. Ft: 1,494
Building Sq. Ft: 1,494
# of Units: 1
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,998
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1147
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,494
Stories: 1.0
Lot Size: 4,998 square feet
Style: Single Family Residential
Year Built: 1920
Year Renovated: 1946
County: Alameda County
APN: 084C076500104
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Marshall Elementary School
Public K-5 • Assigned • 0.4mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 0.8mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.3mi
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...