It shall be the duty of all architects, contractors, sub-contractors, builders, and other persons having to do with the establishment of any use of land or the erection, altering, changing or remodeling of any buildings or structures, to see that a proper permit has been granted before such work is begun. Any such architect, builder, contractor or other person doing or performing any such work without a permit having been issued is in conflict with requirements of this ordinance, and shall be deemed guilty of violation of this Ordinance in the same manner and to the same extent that the owner of the premises or the persons for whom the use is established, or for whom such buildings are erected, or altered, and shall be subject to the penalties herein prescribed for violation.