Permit Required
Do you need a permit to install a backup generator in Phoenix, AZ?
A permanently installed standby generator modifies the premises wiring (and typically involves gas piping), neither covered by the electrical or plumbing exemptions, so a permit is required.
✓ Verified from official source
Source: City of Phoenix PDD — Work Exempt from Permit (PBCC §105.2.2 / §105.2.5) — Verified 2026-06-26
Permit rules vary by property and change over time. This is an informational guide, not legal advice — always confirm with City of Phoenix Planning & Development Department before starting work.
How to get the permit in Phoenix
Building department
Apply online
Phone
(602) 262-7811
Code in force
2018 International Residential Code with Phoenix amendments (Phoenix Building Construction Code)
Need a permit pulled? Find a licensed electrician in Phoenix
Licensed electricians near you can handle the permit and the work — compare pros on our directory.
Find a electrician in Phoenix, AZ →See Installing a Backup Generator permit rules for other cities →