Taiwan Semiconductor Manufacturing Company’s expanding footprint in north Phoenix has triggered a cascade of development that extends far beyond its 1,129-acre campus. The chipmaker’s commitment, now totaling $165 billion after a March 2025 announcement added $100 billion to its previous $65 billion investment, has catalyzed the transformation of desert scrubland into what local officials call America’s next major technology corridor.
The most visible manifestation of this transformation is Halo Vista, a $7 billion mixed-use development by Mack Real Estate Group that will encircle TSMC’s facilities. The project encompasses 2,300 acres and includes 12 million square feet of industrial space dubbed “The Forge,” 3.5 million square feet dedicated to the Sonoran Oasis Research and Technology Park, and 500,000 square feet allocated for nearly 9,000 residential units. When fully developed, the project is projected to support 62,000 jobs.
“This is not just a science park, and not just a manufacturing district: It’s a community. It’s a city within a city,” said Richard Mack, CEO of Mack Real Estate Group, describing the development’s scope…