Recently Listed New ConstructionOpen House 8/15 11am - 1pm
9421 Thornberry Lane
Dallas, TX, 75220 $ 3,250,000
Bedrooms5 Baths5.2 Sq 7,610 Monthly Estimate*
$ 20,521
for $3,250,000 with 5 bedrooms and 5 full baths, 2 half baths. This 7,610 square foot home was built in 2026 on a lot size of 0.334.
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.
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Open House
8/15/2026 11:00 AM - 1:00 PM
8/16/2026 1:00 PM - 3:00 PM
9421 Thornberry Lane Dallas, TX
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm
FeaturesInteriorInterior 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)
Flooring Hardwood Marble
Basement Y/N 0
Dining Areas 1
Living Areas 2
Half Baths 2
Total Bedrooms 5
Total Baths 7
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GeneralHeating Central
Cooling Central Air
Utilities City Sewer City Water
Possession Closing/Funding
Roof Composition
Appliances Built-in Refrigerator Dishwasher Disposal Gas Range Microwave Vented Exhaust Fan
Number of Garage Spaces 3
School District Dallas ISD
Pool Y/N 0
Year Built 2026
Architectural Style Contemporary/Modern
Levels Two
Property Subtype Single Family Residence
Subdivision Name Northwest Heights
Transaction Type For Sale
County Dallas
Property Type Residential
Construction Materials Stucco
Year Built Details New Construction - Complete
HOA Type None
Full Baths 5
Status Active
Directions From NWHWY turn North onto Thornberry drive down street; house is on your left.
City Dallas
Elementary School Name Walnuthill
High School Jefferson
Open House Public: Sat Aug 15 11:00AM-1:00PM
Elementary School Walnuthill
Standard Status Active
Listing Terms Cash Conventional
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ExteriorWaterfront 0
Exterior Features Balcony Built-in Barbecue
Parking Features Driveway Garage Tandem
Lot Size Less Than .5 Acre (not Zero)
Foundation Slab
Structural Style Single Detached
Garage Y/N 1
Attached Garage Y/N 1
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* Excluded FeaturesList ByChristie's Lone StarBroker
Affordability Calculator
- Monthly Principal & Interest
- $20,521
- Monthly Property Taxes
- $960
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbySingle family listings in Dallas, TX
Average List Price $877,950
Percent of Sale Price 73%
About Dallas, TX 1,325,420 Population
11% Since 2002
$ 49,155 Median Income
34.63 Median Age
28% Households with Children
Trends Information provided by ATTOM Data Solutions.
286982 Elementary School
286523 Middle School
Unknown High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 8/4/2026 | $3,250,000 | | Listed Price |