9421 Thornberry Lane
Dallas, TX 75220
Listing courtesy of Piper Young, Christie's Lone Star
About this home
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.
Schools
- Elementary
- Walnuthill
- Middle
- Medrano
- High
- Jefferson
School assignments per NTREIS. Confirm current attendance zones with the district before relying on them.
Property details
- MLS #
- 21350337
- Property Type
- Residential
- Status
- For Sale
- County
- Dallas
- Subdivision
- Northwest Heights
- Lot Size
- 14,549.04 sqft
- Garage
- 3-car
- HOA Dues
- None
- Annual Taxes
- $11,523
- Days on Market
- 12 days
- Listed
- Aug 4, 2026
- Price per Sqft
- $427
Estimate your monthly payment
Estimate only, not a loan offer. Taxes, insurance, and HOA are approximate.
- Principal & interest
- $17,298
- Property taxes
- $960
- Homeowner's insurance (est.)
- $948
Based on a 30-year fixed loan. For an accurate quote, call or text us at (817) 674-0754 and we'll connect you with a trusted local lender.
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