Apple will begin construction of its second phase of the Parmer Lane campus in Austin, Texas, next month. This phase, dubbed Capstone Phase Two AC09, will be a four-story building totaling 203,941 square feet and will be completed in March 2025 at a cost of $120 million. Additionally, plans have been filed for a five-story facility, which will measure 368,726 square feet and will cost approximately $100 million. The project is estimated to be worth $1 billion and will accommodate up to 15,000 employees in total. HKS Architects has been tapped to design the buildings. The campus, which was initially developed for engineering, R&D, operations, finance, sales, and customer support, will span three million square feet when completed.