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35 DAYSSINGLE FAMILY · NORTHWEST HEIGHTS

$3,250,000

9421 Thornberry Lane, Dallas, TX 75220
5 BD · 7 BA · 7,610 SQFT · BUILT 2026 · $427/SQFT

Northwest Heights, Dallas — 35 days on the market.

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.

01 — THE NUMBERS
DAYS ON MARKET
35
$ / SQFT
$427
PROPERTY TYPE
Single family
YEAR BUILT
2026
STATUS
Active
LISTED
AUG 27
LOT
0.334 AC
02 — KNOW THE CITY
DallasFULL CITY REPORT →
THIS HOME VS CITY MEDIAN ACTIVE LIST ($425K · NTREIS)
+665% VS MEDIANDALLAS ISD · DALLAS COUNTY · 5 MIN TO DT DALLAS
03 — SCHOOLS
Schools reported for this listing

Schools reported by this listing’s MLS record. School assignments and boundaries can change. Verify the specific address with the district.

ELEMENTARYWalnuthill
MIDDLEMedrano
HIGHJefferson
DISTRICTDallas ISD
AS REPORTED ON THE MLS RECORD — NOT A BOUNDARY DETERMINATION
LISTING COURTESY OF CHRISTIE'S LONE STARMLS# 21350337 · NTREIS
LAST UPDATED SEP 8, 2026, 2:49 PM CT · NTREIS IDX · LISTING INFORMATION PROVIDED BY NORTH TEXAS REAL ESTATE INFORMATION SYSTEMS, INC. (NTREIS). INFORMATION IS DEEMED RELIABLE BUT IS NOT GUARANTEED AND SHOULD BE INDEPENDENTLY VERIFIED. DATA MAY NOT REFLECT ALL REAL ESTATE ACTIVITY IN THE MARKET. COPYRIGHT NTREIS. ALL RIGHTS RESERVED.
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