About This Home

This 5-bedroom, 7-bathroom single family at 9421 Thornberry Lane in Dallas, TX is listed for $3,250,000 ($427 per sqft). Built in 2026, the home offers 7,610 sqft of living space on a 0.33 acres lot.

Key Features

  • Built in 2026
  • 0.33 acre lot
  • 2 stories
  • Fireplace

Property Details

2 stories
5 full, 2 half
3-car garage
2026

Amenities

FireplaceHardwoodA/C
Listing Description

BUILDER OFFERING CONCESSIONS TOWARDS FUTURE POOL BUILD-OUT AND 3-2-1 BUY-DOWN! POOL PERMIT ALREADY IN PLACE. 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.

Monthly Cost Estimate

$17,382/mo

20% down · 6.5% · 30 years

Principal$2,350
Interest$14,083
Insurance$948

Estimates only. Actual payments may vary.

Location

9421 Thornberry Lane

Dallas, TX 75220

Northwest Heights

Features & Amenities

Interior Features

BuiltInFeaturesChandelierDecorativeDesignerLightingFixturesDoubleVanityEatInKitchenHighSpeedInternetPantryWalkInClosets

Exterior Features

BuiltInBarbecueBalconyBarbecue

Property Details

Flooring

MarbleHardwood

Construction

Stucco

Parking

TandemGarageDriveway

Heating

Central

Cooling

Central Air

Appliances

BuiltInRefrigeratorDishwasherDisposalGasRangeMicrowaveVentedExhaustFanWineCooler

Questions & Answers

This 5-bedroom, 7-bathroom single family at 9421 Thornberry Lane is listed at $3,250,000 ($427/sqft). The estimated monthly payment is $17,382 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 2026, 0.33 acre lot, 2 stories, Fireplace. Interior Features: BuiltInFeatures, Chandelier, DecorativeDesignerLightingFixtures. Exterior Features: BuiltInBarbecue, Balcony, Barbecue.

This property is listed by Piper Young.

PY

Piper Young

Agent at Christies Lone Star

Listed by Christies Lone Star · Broker phone: 214-821-3336 · View on Broker Site

MLS# 21350337· Source: North Texas Real Estate Information Systems, Inc.· Added to PropertySimple today

Copyright © 2026 North Texas Real Estate Information Systems, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

9421 Thornberry Lane, Dallas, TX 75220

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