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For sale
  • $2,875,000

    18127 Madison Ave, Castro Valley, CA 94546

    9beds
    4,930sqft
    : 
    Residential, Single Family Residence
    Built in 1945
    0.98 Acres Lot
    $2,754,000 Zestimate®
    $583/sqft
    $-- HOA

    What's special

    Unique Opportunity to own two spacious homes plus an attached In-Law Unit on nearly a one acre lot in one of Castro Valley’s most coveted neighborhoods. Discover a truly unique property tucked away on a private road on a generous .98-acre lot. This exceptional estate is perfect for fabulous living, multigenerational living, producing income, flexible work-from-home setups and other opportunities. Gorgeous front home has 5 bedrooms with just over 3,000 sq ft of light-filled living space and solar panels. Spacious kitchen featuring granite countertops. Expansive patio area ideal for outdoor entertaining. Attached ADU has its own seperate entrance and fenced in yard. Parking pad that can accommodate RV, boat, and multiple vehicles.The back home has 4 bedrooms, 2 bathrooms, dining room, living room ,laundry room and approximately 1850 sq. ft. of living space. The home has so much to offer. Surrounded by mature fruit trees-tangerine, lemon, pomegranate, and pomelo. Enjoy serene privacy behind gated access, while still being just minutes from top-rated schools ,Castro Village Shopping Center ,CV Marketplace & CV BART station. Easy access to freeway .This property offers incredible flexibility, natural beauty, and an unbeatable location. Schedule your private showing today!
    68 days
    on Zillow
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    Zillow last checked: 7 hours ago

    Listing updated: June 17, 2025 at 01:32am

    Listed by:

    Valentina Hauso DRE #02008369 510-584-1333,

    Keller Williams Realty

    Source: CCAR,MLS#: 41100873MLS Logo
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    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 9
    • Bathrooms: 6
    • Full bathrooms: 5
    • Partial bathrooms: 1
    Rooms
    • Room types: 6+ Bedrooms, 3.5 Baths
    Kitchen
    • Features: Stone Counters, Dishwasher, Double Oven, Eat-in Kitchen, Electric Range/Cooktop, Disposal, Range/Oven Built-in, Range/Oven Free Standing
    Heating
    • Gravity
    Cooling
    • Ceiling Fan(s)
    Appliances
    • Included: Dishwasher, Double Oven, Electric Range, Range, Free-Standing Range
    • Laundry: Laundry Room, See Remarks
    Features
    • In-Law Floorplan, Storage
    • Flooring: Hardwood, Laminate, Tile
    • Windows: Double Pane Windows, Screens
    • Number of fireplaces: 3
    • Fireplace features: Family Room, Living Room
    Interior area
    • Total structure area: 4,930
    • Total interior livable area: 4,930 sqft

    Property

    Parking
    • Parking features: Parking Spaces
    Features
    • Levels: One
    • Stories: 1
    • Exterior features: Garden/Play, Entry Gate
    • Has private pool: Yes
    • Pool features: In Ground, Outdoor Pool
    • Fencing: Fenced
    Lot
    • Size: 0.98 Acres
    • Features: 2 Houses / 1 Lot, Back Yard, Front Yard, Side Yard
    Details
    • Parcel number: 84C92017
    • Special conditions: Standard

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Contemporary,Ranch
    • Property subtype: Residential, Single Family Residence
    • Attached to another structure: Yes
    Materials
    • Stucco, Wood Siding
    • Roof: Composition,Tile
    Condition
    • Existing
    • New construction: No
    • Year built: 1945
    Details
    • Builder name: contemporary

    Utilities & green energy

    • Electric: Other Solar
    • Sewer: Public Sewer
    Green energy
    • Energy generation: Solar

    Community & HOA

    Community
    • Subdivision: Castro Valley
    HOA
    • Has HOA: No
    Location
    • Region: Castro Valley

    Financial & listing details

    • Price per square foot: $583/sqft
    • Tax assessed value: $1,267,210
    • Annual tax amount: $16,403
    • Date on market: 6/10/2025
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