$3,250,000
5
beds
5
baths
2
half baths
7,610
square ft

9421 Thornberry Lane
Dallas, Texas 75220

New / MLS #21350337 / Single Family / Northwest Dallas, Dallas
Listing information updated 8/10/2026 at 1:05pm
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.

Listing Agent: Piper Young

Listing Office: Christie's Lone Star

Disclaimer: The data relating to real estate for sale on this website comes in part from the Broker Reciprocity Program of North Texas Real Estate Information Service. Real estate listings held by brokerage firms other than @properties are marked with the Broker Reciprocity thumbnail logo and detailed information about them includes the name of the listing brokers. Information is deemed reliable but not guaranteed accurate by the MLS or NTREIS.

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9421 Thornberry Lane, Dallas, TX 75220 is a single family home currently listed at $3,250,000. 9421 Thornberry Lane features 5 Beds, 5 Baths, 2 Half Baths. This single family home has been listed on Christie’s International Real Estate @properties lone star since August 4th, 2026 and was built in 2026. Nearby schools include Walnuthill, Medrano, and Jefferson.