3880 Modesto St is a 1,059 square foot house on a 5,046 square foot lot with 2 bedrooms and 1 bathroom. - it last sold on March 01, 1994 for $172,000. Based on Redfin's Castro Valley data, we estimate the home's value is $806,464.
Single-familyProperty Type
1924Year Built
5,046 sq ftLot Size
$762Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$806,464
$634K since sold in March 1994$6,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.7% higher than the average sale price ($801K) 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
Oct 1, 2021 • Final
Building
Perform voluntary earthquake strengthening on a single-family home by upgrading the foundation attachment. Install anchor plates and clips in accordance with the standard plan set and building code.
Remodel
Feb 3, 2015 • Final
Building
Remove and replace composition shingles on a residential building.
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
Room Information
# of Rooms: 4
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Exterior Wall: Stucco
Building Type: Detached
Property Information
Living Sq. Ft: 1,059
Building Sq. Ft: 1,059
# of Units: 1
# of Stories: 1
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Detached Garage
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,046
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1158
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: 2
Baths: 1.0
Sq. Ft.: 1,059
Stories: 1.0
Lot Size: 5,046 square feet
Style: Single Family Residential
Year Built: 1924
Year Renovated: 1935
County: Alameda County
APN: 084C076601501
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Marshall Elementary School
Public K-5 • Assigned • 0.3mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 0.7mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.5mi
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...