17957 Redwood Rd is a 1,716 square foot multi-family home on a 5,500 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on September 30, 1986 for $148,500. Based on Redfin's Castro Valley data, we estimate the home's value is $980,670.
Multi-familyProperty Type
1949Year Built
5,500 sq ftLot Size
$571Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$980,670
$832K since sold in September 1986$44K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 19% lower than the average sale price ($1.21M) 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
Dec 4, 2017 • Final
Building
Remove and replace a gas water heater in the same location.
Gas
Plumbing
Water heater
Nov 22, 2013 • Final
Building
Tear off the existing roofing and install new composition asphalt shingles on a two-family residential building. Use the existing roof deck and recycle the removed materials.
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
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,716
Building Sq. Ft: 1,716
# of Units: 2
# of Stories: 1.5
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,500
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1263
County Use Description: DOUBLE OR DUPLEX TYPE - TWO UN
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,716
Stories: 1.5
Lot Size: 5,500 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1949
Year Renovated: 1975
County: Alameda County
APN: 084D120300302
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Proctor Elementary School
Public K-5 • Assigned • 0.2mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 1.3mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.7mi
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...