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For sale
  • Price cut: $200K (7/30)
    $1,750,000

    12400 Triadelphia Rd, Ellicott City, MD 21042

    5beds
    7,961sqft
    : 
    Single Family Residence
    Built in 1993
    7.93 Acres Lot
    $1,692,000 Zestimate®
    $220/sqft
    $-- HOA

    What's special

    Tranquil pondsDramatic spiral staircaseMeandering pathsPrivate estateCascading waterfallsExpansive decksTwo full kitchens
    Welcome to 12400 Tridelphia Lane, Ellicott City – a private estate that truly has it all. Step into timeless elegance and unmatched comfort at this grand estate home, gracefully situated on nearly 8 wooded acres of pure serenity. From the moment you enter the gated drive, you’ll sense the privacy and prestige that define this exceptional property. Inside, the home is adorned with impeccable taste and luxurious finishes. A dramatic spiral staircase greets you in the grand foyer, setting the tone for spacious living throughout. With multiple family rooms, recreation areas, and not one but two full kitchens on both upper and lower levels, this home is tailor-made for multigenerational living or effortless entertaining. There are bedrooms galore, offering comfort and flexibility for any lifestyle. Outside, nature takes center stage with meandering paths, tranquil ponds, cascading waterfalls, and extensive landscaping that creates a retreat-like setting. Enjoy expansive decks, an irrigated yard for easy maintenance, and a three-car garage. Whether you’re seeking luxury, space, privacy, or a blend of all three, this home must be seen to be believed.
    50 days
    on Zillow
    |
    3,565
    |
    158
    |

    Zillow last checked: 7 hours ago

    Listing updated: August 07, 2025 at 04:24am

    Listed by:

    Christina Palmer 443-938-3379,

    Keller Williams Flagship 410-729-7700

    Source: Bright MLS,MLS#: MDHW2055356MLS Logo
    Travel times

    Tour with a buyer's agent

    We'll find a local expert to take you on a private tour of 12400 Triadelphia Rd.

    Next available tour time:Today at 11am

    Open house

    • Sun, Aug 10

      2:00 PM - 4:00 PM

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 5
    • Bathrooms: 5
    • Full bathrooms: 4
    • 1/2 bathrooms: 1
    • Main level bathrooms: 2
    • Main level bedrooms: 1
    Basement
    • Area: 3631
    Heating
    • Heat Pump, Electric
    Cooling
    • Central Air, Electric
    Appliances
    • Included: Electric Water Heater
    Features
    • Basement: Connecting Stairway,Finished,Interior Entry,Exterior Entry
    • Number of fireplaces: 2
    Interior area
    • Total structure area: 11,592
    • Total interior livable area: 7,961 sqft
    • Finished area above ground: 7,961
    • Finished area below ground: 0
    Video & virtual tour

    Property

    Parking
    • Total spaces: 6
    • Parking features: Garage Faces Front, Attached, Driveway
    • Attached garage spaces: 3
    • Uncovered spaces: 3
    Accessibility
    • Accessibility features: None
    Features
    • Levels: Three
    • Stories: 3
    • Pool features: None
    Lot
    • Size: 7.93 Acres
    Details
    • Additional structures: Above Grade, Below Grade
    • Parcel number: 1403312968
    • Zoning: RRDEO
    • Special conditions: Standard

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Transitional
    • Property subtype: Single Family Residence
    Materials
    • Brick
    • Foundation: Brick/Mortar
    Condition
    • New construction: No
    • Year built: 1993

    Utilities & green energy

    • Sewer: Private Septic Tank
    • Water: Well

    Community & HOA

    Community
    • Subdivision: None Available
    HOA
    • Has HOA: No
    Location
    • Region: Ellicott City

    Financial & listing details

    • Price per square foot: $220/sqft
    • Tax assessed value: $1,565,133
    • Annual tax amount: $20,722
    • Date on market: 6/22/2025
    • Listing agreement: Exclusive Right To Sell
    • Ownership: Fee Simple
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