Apple’s $5 Billion Campus Will Officially Open in April — and You’ll Be Able to Visit Posted by February 22, 2017 Leave a comment on Apple’s $5 Billion Campus Will Officially Open in April — and You’ll Be Able to Visit The Silicon Valley tech giant said it would take more than six months to move more than 12,000 workers to the new campus, which is set on a 175-acre site.