It shall be the duty of all architects, contractors, subcontractors, builders and other persons having to do with the establishment of any use of land or the erection, altering, changing or remodeling of any building or structure 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 the requirements of this chapter and shall be deemed guilty of violation of this chapter 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.
('64 Code, § 100.07)