Undead Labs announced today that 2017 will be very good for State of Decay fans. According to the developer, the release date for SoD2 will be revealed at E3 in June along with gameplay and all of the gory details. You can find the blog from Undead Labs themselves here: Undead Labs Blog
A little known game at launch, State of Decay grew into a game with a very passionate fan base and SoD2 has been long anticipated. We’re anxious to finally see what State of Decay 2 is going to bring to the table.