9421 Thornberry Lane, Dallas, Texas
$3,250,000
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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.
School District: Dallas ISD
Dallas MLS #: 21350337
Representing the Seller: Listing Agent Piper Young; Listing Office: Christie's Lone Star
Representing the Buyer: Contact realtor Douglas Newby of Douglas Newby & Associates if you would like to see this property. 214.522.1000
Property Overview
- Listing Price: $3,250,000
- MLS ID: 21350337
- Status: For Sale
- Days on Market: 0
- Updated: 8/4/2026
- Previous Status: For Sale
- MLS Start Date: 8/4/2026
Property History
- Current Listing: $3,250,000
Interior
- Number of Rooms: 5
- Full Baths: 5
- Half Baths: 2
- Interior Features: Built-in FeaturesBuilt-in Wine CoolerChandelierDecorative LightingDouble VanityEat-in KitchenHigh Speed Internet AvailablePantryWalk-In Closet(s)
- Flooring: HardwoodMarble
Location
- County: Dallas
- Directions: From NWHWY, turn North onto Thornberry, drive down street; house is on your left.
Community
- Home Owners Association: None
School Information
- School District: Dallas ISD
- Elementary School: Walnuthill
- Middle School: Medrano
- High School: Jefferson
Heating & Cooling
- Heating/Cooling: Central
Utilities
- Utility Description: City SewerCity Water
Lot Features
- Lot Size (Acres): 0.33
- Lot Size (Sqft.): 14,549.04
Financial Considerations
- Price per Sqft.: $427
- Price per Acre: $9,730,539
- For Sale/Rent/Lease: For Sale
Disclosures & Reports
- Legal Description: NORTHWEST HEIGHTS BLK 10/5085 LT 8
- APN: 00000359026000000
- Block: 10508
Categorized In
- Price: Over $1.5 Million$3 Million to $7 Million
- Style: Contemporary/Modern
- Neighborhood: Midway Hollow
Contact Realtor Douglas Newby for Insights on Property for Sale
Douglas Newby represents clients with Dallas estate homes, architect designed homes and modern homes.
Listing provided courtesy of North Texas Real Estate Information Systems (NTREIS)
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