So far Southshore, Brackenridge and Broadmoor have been mentioned as possible campus sites. WCC bought the 156 acre 3M campus this summer, and it has 1,000,000 sq ft of office space already built. I haven't heard of any development plans for the site once 3M moves to their new Parmer location.
https://www.bizjournals.com/austin/n...-large-3m.html