Elon Musk's giant 'X' sign is going to cost his landlord fees for building without a permit

• The San Francisco landlord of X's headquarters will be charged fees over Elon Musk's sign antics. 
• Musk had a big "X" logo installed atop the headquarters for the company formerly known as Twitter.
• The massive sign was removed days later all without a permit. 

Elon Musk is causing more headaches for the landlord of the San Francisco, California, headquarters of X, the social media giant formerly called Twitter.

San Francisco's Department of Building Inspection told Insider that the property owner of the building located at 1355 Market Street will be charged fees for the lack of permits related to the recent erection and dismantling of Musk's massive "X" sign atop the building.