18187 Reamer Rd is a 2,333 square foot house on a 0.28 acre lot with 3 bedrooms and 3 bathrooms. - it last sold on November 30, 2021 for $1,502,500. Based on Redfin's Castro Valley data, we estimate the home's value is $1,685,701.
Single-familyProperty Type
1949Year Built
0.28 acresLot Size
$723Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,685,701
$183K since sold in November 2021$10K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 35.1% higher than the average sale price ($1.25M) of 5 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
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
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: 2,333
Building Sq. Ft: 2,333
# of Units: 1
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 12,153
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.279
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 2,333
Stories: 1.0
Lot Size: 0.28 acres
Style: Single Family Residential
Year Built: 1949
Year Renovated: 1949
County: Alameda County
APN: 084D115501305
Home facts updated by county records on Nov 14, 2025
Around this home
Schools
Chabot Elementary School
Public K-5 • Assigned • 0.6mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 2.0mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 1.0mi
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...