It shall be unlawful for the owner or general agent of any land, building, structure or premises where a violation of the provisions of this Zoning Ordinance or order of the zoning enforcement person has been committed or shall exist or the lessee or tenant of an entire building or entire premises where such violation has been committed or shall exist or the owner, general agent, lessee or tenant of any part of the building or premises in which such violation has been committed or shall exist or the agent, architect, builder, contractor or any other person who commits, takes part or assists in any such violation or who maintains any building or premises in which any such violation shall exist.