The owner of any building or structure, lot or land, or part thereof, and/or the tenant or occupant of any building or structure, lot or land, or part hereof, where anything in violation of this chapter or any condition imposed upon a developer hereunder, shall be placed or shall exist or be suffered, allowed or permitted to exist; and any architect, builder, developer, contractor, agent person or corporation engaged in connection therewith and who assists in the commission of any such violation, shall each be guilty of a separate violation, and upon conviction thereof shall each be liable to the fine or imprisonment, or both, specified above.