DISCLAIMER: General Reference Only
This information is for general reference only and may not reflect the most current requirements. Permit regulations change frequently. Always verify current requirements with the Phoenix, AZ building department before starting any project.
This website does not provide legal, architectural, or engineering advice. Using this information does not constitute a permit application or approval.
🗓️ Data last verified: — Verify current requirements at phoenix.gov
Do I Need a Permit for Garage Conversion in Phoenix?
Phoenix, AZ · Official data from city building dept · Last updated: 2026-04-17
Converting a garage to living space or an ADU in Phoenix requires a building permit. The conversion must meet residential building code requirements for insulation, electrical, ventilation, and egress windows.
⚠️ Permit IS Required When…
- •Converting garage to bedroom, office, or living space
- •Converting garage to an ADU (Accessory Dwelling Unit)
- •Adding HVAC, plumbing, or electrical to garage
- •Structural modifications to garage walls or roof
✅ No Permit Needed When…
- •Using garage as non-habitable storage
- •Painting or flooring in garage without structural changes
- •Installing shelving or workbenches
💡 Additional Information
Phoenix allows ADUs in most residential zones. Garage conversion permits typically cost $400–$1,200. Plans must show insulation, egress windows, electrical layout, and HVAC connections. Check HOA rules as well.
📋 Official Source
This information is sourced directly from the PhoenixPlanning & Development Department.
https://www.phoenix.gov/administration/departments/pdd/residential-building/resident-plan-reviews/additions-remodels.html🏛️ Verify Directly with Phoenix
Always confirm current permit requirements with the official Phoenix, AZ building department before starting work.