The 2018 International Building Code Section 105.1 states "Any owner or owner's authorized agent who intends to construct, enlarge, alter, repair, move, demolish, or change the occupancy of a building or structure, or to erect, install, enlarge, alter, repair, remove, convert or replace any electrical, gas, mechanical, or plumbing system. the installation of which is regulated by this code, or to cause any such work to be performed, shall first make application to the Building Official and obtain the required permit."
Work exempt from a Building permit can be found here. Work Exempt from Permit Sec. 105.2
(*Please note Fence permits are required by the Planning Division)