PlainPermit

Do I need a permit for an ADU or garage conversion in Phoenix, AZ?

Short answer: Yes, a permit is required for an ADU or garage conversion in Phoenix, AZ.

Last verified: · Confidence: medium · Status: Verified from official source

Not legal advice. Always confirm with your local building department. Rules change, and your parcel's zoning, HOA, historic district, floodplain or utility work can change the answer. We show the official source and the date we last checked it so you can verify for yourself.
Permit required Confidence: medium

Yes. New residential buildings (including detached structures over 200 sq ft) and enclosures/additions need permits; Phoenix has a dedicated ADU program.

What changes the answer

Cost

Fee not extracted; see the Phoenix fee schedule. Unverified, confirm locally

Fee source: https://www.phoenix.gov/content/dam/phoenix/pddsite/documents/impact-fees/fee-schedule.pdf · All verified Phoenix permit fees

Where to apply

City of Phoenix PDD Residential Projects

Permitting authority: City of Phoenix Planning & Development Department (PDD). Zoning (setbacks, height, lot coverage) applies even when a building permit is not required. See also: how to apply for a building permit.

Official sources

“All new residential buildings, including detached structures larger than 200 square feet”

Source: https://www.phoenix.gov/administration/departments/pdd/residential-building/resident-plan-reviews.html

“Porch and carport enclosures”

Source: https://www.phoenix.gov/administration/departments/pdd/residential-building/resident-plan-reviews.html

Verified: · Status: verified · Confidence: medium

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