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.
For sale
Price cut: $200K (7/30)
$1,750,000
12400 Triadelphia Rd, Ellicott City, MD 21042
5beds
7,961sqft
Est.:
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
- 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#: MDHW2055356

Travel times
Tour with a buyer's agent
Tour with a buyer's agent
Open house
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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