HOUSTON, TX - MARCH 04: Minute Maid Parks new $12 million dollard scoreboard shows the Houston Cougars logo at Minute Maid Park on March 4, 2011 in Houston, Texas. (Photo by Bob Levey/Getty Images)
The Astros are using the University of Houston baseball facility as an alternate site.
There are more than a few changes to how MLB teams operate in 2020, not the least of which is the roster construction. Since there is no minor league season taking place, teams will need an alternate site for non-roster players to keep in game shape if needed.