2 Homes- Rare chance to own a large, versatile property in a premium location, surrounded by nature yet close to everything. Don’t miss this exceptional opportunity to own two spacious homes plus an attached in-law unit on a gated, .98-acre lot in one of Castro Valley’s most sought-after neighborhoods. Tucked away on a private road, this estate offers privacy, serenity and flexibility—perfect for multigenerational living, rental income, remote work, or business opportunity. Bring your vision—Both homes could benefit from updating, the potential is limitless to transform this into your dream compound or income-producing investment. Front Home has approximately 3,000 sq ft of living space ,5 bedrooms, Solar panels for energy efficiency. Spacious kitchen with granite countertops. Attached in-law unit with seperate entrance and fenced yard. Back home features approximately 1,850 sq ft, 4 bedrooms, 2 bathrooms. Spacious living, dining, and laundry room. Each home has its own gated access and driveway . Ample parking pads for RV's, boats, and multiple vehicles. Low maintenance landscaping with mature fruit trees: tangerine, lemon, pomegranate, and pomelo. Minutes from top-rated schools, Castro Village Shopping Center, CV Marketplace, BART and freeways.
MLS #
CC41108905
MLS Source
Contra Costa Association of Realtors
Days on Site
2
Bathrooms
Double Sinks, Primary - Shower(s) over Tub(s)
Kitchen
Countertop - Stone, Countertop - Tile, Eat In Kitchen
Appliances
Dishwasher
Family Room
Separate Family Room
Fireplace
Family Room, Living Room
Flooring
Hardwood, Tile
Laundry
In Closet
Cooling
Central -1 Zone
Heating
Forced Air
Roof
Composition
Foundation
Crawl Space
Pool
In Ground
Style
Contemporary, Ranch
Garage/Parking
No Garage, Parking Area, Garage: 0 Car(s)
Sewer
Public Sewer
18127 Madison Ave is a Single Family Residence in Castro Valley, CA 94546. This 4,930 square foot property sits on a 0.98 Acres Lot and features 9 bedrooms & 5 full and 1 partial bathrooms. It is currently priced at $2,525,000 and was built in 1945.
This address can also be written as 18127 Madison Ave, Castro Valley, CA 94546.©2025 Contra Costa Association of Realtors. All rights reserved. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information provided is for personal, non-commercial use by the viewer and may not be redistributed without explicit authorization from Contra Costa Association of Realtors.
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This listing information is up-to-date as of August 21, 2025. For the most current information, please contact Valentina Hauso, (510) 584-1333