9421 Thornberry Lane

Dallas, TX 75220
$3,250,000
7,610 sqft
5 beds
5.2 baths

Description

Introducing 9421 Thornberry Lane, a privately gated modern neo-classical estate by COZIE, offering 7,610 square feet of newly constructed luxury in Midway Hollow. Set on an expansive lot and framed by mature oak trees, the residence pairs a refined stucco exterior and steel framed windows with marble flooring, intricate crown molding, custom millwork and statement designer lighting throughout. A dramatic double height foyer with a sculptural curved staircase opens to the soaring great room, formal kitchen and inviting family living area. Designed for elevated entertaining, the home features a Sub-Zero, Wolf and Cove appliance package, oversized island, full catering scullery, walk-in pantry, bar and wine cellar. Three primary-quality suites—including two on the first floor—create exceptional multi-generational flexibility. The owner’s retreat includes a 14 foot recessed ceiling, fireplace, patio deck access, spa bath with a fully marble clad shower and a walk through closet with private laundry. Additional highlights include five ensuite bedrooms, a paneled study, dedicated home theater, game room, flex space, whole home audio system, three fireplaces, a second floor balcony, three car garage and built in outdoor kitchen. The expansive backyard offers exceptional space for a future pool, cabana and sports court. A rare opportunity to own a thoughtfully designed COZIE estate blending classical elegance, modern function and enduring luxury.

Property Type: Residential - Single Family Residence
MLS Status: Active
MLS: 21350337
Year Built: 2026
County: Dallas
Tract or Division: Northwest Heights
List Date: 08/04/2026
Area:
Square Feet: 7,610
Total Beds: 5
Full Baths: 5
Half Baths: 2
Acres: 0.33
Lot Size (sqft): 14,549

800.451.8055

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Interior Features

 
Fireplace:
  • Electric
  • Gas
  • Number of fireplaces: 3
Floor Coverings:
  • Hardwood
  • Marble
Appliances:
  • BuiltInRefrigerator
  • Dishwasher
  • Disposal
  • GasRange
  • Microwave
  • VentedExhaustFan
  • WineCooler
Virtual Tour:

Exterior Features

 
Style:
  • ContemporaryModern
  • Detached
Parking:
  • Driveway
  • Garage
  • Tandem
Roof Type:
  • Composition
Yard/Grounds:
  • BuiltInBarbecue
  • Balcony
  • Barbecue
Siding:
  • Stucco
Pool Type:
  • None
Foundation:
  • Slab

Utilities

 
Heating/Cooling:
  • Central
Utilities:
  • SewerAvailable
  • WaterAvailable

Additional Property Details

 
Listing Agent: Piper Young
Co-Listing Agent: Elizabeth Tormoehlen
Broker: Christie's Lone Star
Amenities:
  • BuiltInFeatures
  • Chandelier
  • DecorativeDesignerLightingFixtures
  • DoubleVanity
  • EatInKitchen
  • HighSpeedInternet
  • Pantry
  • WalkInClosets
Listed by: Piper Young, Christie's Lone Star

Location

Schools

School Name Grades Admission
Francisco "Pancho" Medrano Junior Middle School 7 - 8 Regular
Thomas Jefferson High School 9 - 12 Regular
Walnut Hill International Leadership Academy EE - 8 Regular
3 Schools

*All school information should be verified by local Independent School District.

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* Note: All room dimensions, including square footage data, are approximate and must be verified by the buyer.

The information contained herein is furnished by the owner to the best of his/her knowledge, but is subject to verification by the purchaser, and agent assumes no responsibility for the correctness thereof. The sale offering is made subject to errors, omissions, change of price, prior sale, or withdrawal without notice. In accordance with the Law, this property is offered without respect to race, color, creed, national origin, sex, familial status or disability. This is not intended to solicit property currently listed.

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