Do I need to file a 1120s if I had zero income and zero expenses?

[Melaine]

Yes, and it is important to do so before March 15th to avoid the monthly penalty.  The monthly penalty for 2016 returns is $195 per month or partial month the return is late multiplied by the amount of shareholders in the S-Corp.  Please see Cal County's response below for more information.

https://ttlc.intuit.com/replies/4589516