9421 Thornberry Lane
Dallas, TX, 75220
$3,250,000
5 Beds
5.2 Baths
7,610 SqFt
0.33 Acres
MLS #21350337 image #0

Location

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.

Questions? I’m here to help!
Aaron Layman
Aaron Layman Properties
Call Now: 940-209-2100

Property Details

Price:
$3,250,000
MLS #:
21350337
Status:
Active
Beds:
5
Baths:
5.2
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Northwest Heights
Listed Date:
Aug 4, 2026
Finished Sq Ft:
7,610
Lot Size:
14,549 sqft / 0.33 acres (approx)
Year Built:
2026
GarageNew Construction – CompleteNorthwest HeightsDallas IsdWalnuthillMedranoJefferson

Schools

School District:
Dallas ISD
Elementary School:
Walnuthill
Middle School:
Medrano
High School:
Jefferson

Interior

Bathrooms Full
5
Bathrooms Half
2
Cooling
Central Air
Fireplace Features
Electric, Gas
Fireplaces Total
3
Flooring
Hardwood, Marble
Heating
Central
Interior Features
Built-in Features, Built-in Wine Cooler, Chandelier, Decorative Lighting, Double Vanity, Eat-in Kitchen, High Speed Internet Available, Pantry, Walk- In Closet(s)
Number Of Living Areas
2

Exterior

Construction Materials
Stucco
Exterior Features
Balcony, Built-in Barbecue
Garage Spaces
3
Lot Size Area
0.3340

Financial

Questions? I’m here to help!
Aaron Layman
Aaron Layman Properties
Call Now: 940-209-2100

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Aaron a full-service broker serving the Northern DFW Metroplex. Aaron has two decades of experience in the real estate industry working with buyers, sellers and renters.

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Community

Subdivisions in Dallas

Market Summary

Current real estate data for Single Family in Dallas as of Aug 05, 2026
3,469
Single Family Listed
80
Avg DOM
300
Avg $ / SqFt
$889,489
Avg List Price

Property Summary

    Located in the Northwest Heights subdivision, 9421 Thornberry Lane Dallas TX is a Single Family for sale in Dallas, TX, 75220. It is listed for $3,250,000 and features 5 beds, 5 baths, and has approximately 7,610 square feet of living space, and was originally constructed in 2026. The current price per square foot is $427. The average price per square foot for Single Family listings in Dallas is $300. The average listing price for Single Family in Dallas is $889,489. To schedule a showing of MLS#21350337 at 9421 Thornberry Lane in Dallas, TX, contact your Aaron Layman Properties agent at 940-209-2100.
9421 Thornberry Lane
Dallas, TX