Collin County, Texas, December 19, 2025
Collin County, Texas is gearing up for several notable infrastructure and development projects aimed at enhancing regional mobility and promoting economic growth. Key initiatives set to progress significantly include the Collin County Outer Loop, the Sloan Corners mixed-use development, and the highly anticipated Universal Kids Resort. These projects, alongside others like the McKinney National Airport terminal and Firefly Park development, reflect the county’s commitment to improving living standards and amenities for its growing population.
Collin County’s Major Projects to Watch in 2026
Collin County, Texas, is set to witness several significant developments in 2026, reflecting its rapid growth and economic expansion. Below are seven major projects slated for completion or significant progress in the coming year.
1. Collin County Outer Loop Segment 3C Completion
The Collin County Outer Loop Segment 3C, an 8-mile corridor between Custer Road and U.S. 75, is expected to be fully operational in 2026. This segment aims to alleviate congestion and enhance regional mobility, marking a crucial milestone in the county’s transportation infrastructure. The project includes 10 mainlanes, 6 frontage lanes, and multiple grade separations.
2. Sloan Corners Mixed-Use Development
Billingsley Co.’s Sloan Corners development, spanning 500 acres across Allen and Fairview, is progressing with the construction of Hartwood Square Apartments. The east building, featuring 210 units, is expected to begin leasing in the third or fourth quarter of 2025, while the west building, with 269 units, is anticipated to follow in March or April 2026. The entire project will offer over 10 million square feet of office space, 6,000 apartments, and more than 200,000 square feet of retail space upon completion.
3. Collin Creek Mall Redevelopment
The Collin Creek Mall redevelopment project, estimated at $100 million, is set to commence in November 2025 and complete by May 2027. The renovation will cover approximately 450,000 square feet, including new mechanical, electrical, and plumbing systems, as well as core and shell spaces for future tenants.
4. Universal Kids Resort in Frisco
Scheduled to open in May 2026, the Universal Kids Resort in Frisco will be a 32-acre children’s theme park and entertainment resort. The park will feature themed areas based on popular franchises such as Gabby’s Dollhouse, Trolls, Shrek, Jurassic World Camp Cretaceous, SpongeBob SquarePants, and Despicable Me.
5. McKinney National Airport Commercial Terminal
In January 2025, McKinney City Council approved the construction of a commercial passenger terminal at McKinney National Airport. Designed with three gates and the potential for expansion to five, the terminal is expected to be operational by 2026, marking a significant step in the airport’s development.
6. Collin County Outer Loop Segment 5 Planning
Collin County is studying Segment 5 of the Outer Loop, a 21-mile corridor from SH 121 to US 380. The project aims to enhance mobility and safety, with ongoing stakeholder coordination and public meetings planned for 2025 and 2026.
7. Firefly Park Development in Frisco
Frisco’s Firefly Park development, approved in March 2025, is a $2.5 to $4 billion mixed-use urban village. The 217-acre project will include 3 million square feet of commercial office space, 400,000 square feet of retail, dining, and entertainment venues, a 45-acre destination park, and 1,200 hotel rooms.
These projects underscore Collin County’s commitment to infrastructure development and economic growth, positioning the region as a dynamic hub in North Texas.
Frequently Asked Questions (FAQ)
What is the Collin County Outer Loop Segment 3C?
The Collin County Outer Loop Segment 3C is an 8-mile corridor between Custer Road and U.S. 75, designed to alleviate congestion and enhance regional mobility. It includes 10 mainlanes, 6 frontage lanes, and multiple grade separations. The segment is expected to be fully operational in 2026.
What is the Sloan Corners development?
Sloan Corners is a 500-acre mixed-use development by Billingsley Co., spanning Allen and Fairview. The project includes over 10 million square feet of office space, 6,000 apartments, and more than 200,000 square feet of retail space. The Hartwood Square Apartments, part of the development, are expected to begin leasing in 2025 and 2026.
What is the Universal Kids Resort?
The Universal Kids Resort is a 32-acre children’s theme park and entertainment resort in Frisco, Texas, scheduled to open in May 2026. It will feature themed areas based on popular franchises such as Gabby’s Dollhouse, Trolls, Shrek, Jurassic World Camp Cretaceous, SpongeBob SquarePants, and Despicable Me.
When is the McKinney National Airport commercial terminal expected to open?
The commercial passenger terminal at McKinney National Airport is expected to be operational by 2026. The terminal is designed with three gates and the potential for expansion to five.
What is the Firefly Park development in Frisco?
Firefly Park is a $2.5 to $4 billion mixed-use urban village in Frisco, Texas, approved in March 2025. The 217-acre project will include 3 million square feet of commercial office space, 400,000 square feet of retail, dining, and entertainment venues, a 45-acre destination park, and 1,200 hotel rooms.
Key Features of Collin County’s Major Projects in 2026
| Project | Location | Type | Estimated Completion | Key Components |
|---|---|---|---|---|
| Collin County Outer Loop Segment 3C | Collin County, TX | Transportation Infrastructure | 2026 | 8-mile corridor, 10 mainlanes, 6 frontage lanes, multiple grade separations |
| Sloan Corners Development | Allen and Fairview, TX | Mixed-Use Development | 2026 | Over 10 million sq ft office space, 6,000 apartments, 200,000+ sq ft retail space |
| Collin Creek Mall Redevelopment | Plano, TX | Renovation | 2027 | 450,000 sq ft renovation, new mechanical, electrical, plumbing systems |
| Universal Kids Resort | Frisco, TX | Theme Park and Resort | May 2026 | 32-acre park, themed areas based on popular franchises |
| McKinney National Airport Commercial Terminal | McKinney, TX | Airport Expansion | 2026 | Three-gate terminal with potential expansion to five gates |
| Collin County Outer Loop Segment 5 Planning | Collin County, TX | Transportation Planning | 2026 | 21-mile corridor study, public meetings planned |
| Firefly Park Development | Frisco, TX | Mixed-Use Development | 2026 | 3 million sq ft office space, 400,000 sq ft retail, 45-acre park, 1,200 hotel rooms |
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