Start with the jurisdiction — Arizona permitting is locally administered.
Arizona cities, towns and counties operate separate permit systems, so the correct filing path depends on the project address and authority having jurisdiction. Arizona law allows counties to adopt and enforce building codes in qualifying unincorporated areas. In Phoenix, new commercial and residential plan review, permitting and inspection workflows moved into SHAPE PHX effective April 27, 2026.
Phoenix Building Permit Guide →Sources checked September 29, 2026: A.R.S. §11-861 — county code authority · City of Phoenix — SHAPE PHX · Phoenix Residential Building. Requirements change; confirm the current path for the project. Not legal advice.