Do I need a adu permit in Phoenix?

Yes. Phoenix requires a adu permit for this type of project. Submitting without a permit may result in fines, required removal, or complications when selling your property.

How long does adu permit approval take in Phoenix?

Processing times in Phoenix vary depending on project complexity and current review volume. The process involves 5 steps. Contact Phoenix Development Services for current timelines.

What documents are required for a adu permit in Phoenix?

Phoenix requires 6 documents including Permit Application, Site Plan, Architectural Plans, Structural Calculations, and others. See the full list above for details.

What happens if I build without a adu permit in Phoenix?

Building without a permit in Phoenix can result in stop-work orders, fines, required removal of work, difficulty selling your property, and insurance complications. It is strongly recommended to obtain proper permits before starting work.

Can PermitMagic help prepare my adu permit submission in Phoenix?

Yes. PermitMagic generates a submission-ready packet tailored to Phoenix's requirements, including a document checklist, workflow steps, and authority references. Start a permit plan to get your personalized packet.

How much does a adu permit cost in Phoenix?

ADU permit fees in Phoenix typically range from $110 to $900, depending on project scope. Fees may include building permit, plan review, and technology surcharges. Verify current fees with Phoenix.

ADU Permit Online Portal Guide in Phoenix, Arizona

Understand the requirements, gather the right documents, and generate a submission-ready packet for your adu permit in Phoenix, Arizona.

Start Permit Plan View Requirements

Key Facts

Permit required: Yes
Submission method: Online
Typical fee range: $110 – $900
Review time: Varies — contact authority
Inspections: 6 inspections required

Needs verificationLast verified: Feb 15, 20262 verified sources

Phoenix Building and Safety

Verify before submission

5-step online submission process — account registration required[1][2]

Open Portal

Step 1: Create Account

[3]

What You Need

Email address

Common Mistakes

Using a personal email instead of business email

Portal steps may change without notice. Always confirm the current process at Phoenix's online portal.

Generate your permit packet

Get a personalized ADU permit packet for Phoenix, Arizona — tailored to your project.

Required forms: Permit Application, and more
Pre-filled templates: Permit Cover Sheet
Fee breakdown: $110–$900 estimated total
Step-by-step Phoenix Building and Safety portal submission guide
Inspection prep checklist (6 items)
Personalized for your specific project details

Start Permit Builder

No account required · Free to get started

Required Documents

Phoenix requires the following documents for this permit application.

Permit Application

Completed building permit application form

Site Plan

Plan showing existing structures, proposed ADU, and setbacks

Architectural Plans

Floor plans, elevations, and sections of the proposed ADU

Structural Calculations

Engineering calculations for foundation and framing

Utility Connection Plan

Plan showing water, sewer, and electrical connections

Energy Compliance

Energy compliance documentation per state energy code

Fees and Timeline

Fee Breakdown

Fee	Range	Confidence
Building/Electrical Permit Fee	$220 – $900	Estimated
Plan Review Fee	$110 – $585	Approximate

Fees are estimates and may change. Verify current fees with Phoenix.

Inspections Required

Foundation Inspection

Verify foundation per approved structural plans

Framing Inspection

Verify wall, floor, and roof framing

Electrical Rough-In

Verify wiring, panel, and circuit layout

Plumbing Rough-In

Verify supply and drain installation

Insulation

Verify insulation installation per energy code

Final Inspection

Complete inspection of finished ADU

Authority Sources

Data on this page is sourced from official records published by the permitting authority. Always verify requirements directly before submitting.

City of Phoenix Planning and Development Department

Last verified: February 15, 2026

2 sources referenced

Official page

Phoenix ADU Permit Information

Verified February 15, 2026

Fee schedule

Phoenix Fee Schedule

Verified February 15, 2026

Portal guide

Phoenix Online Permitting Portal

Verified February 15, 2026

Frequently Asked Questions

Do I need a adu permit in Phoenix?: Yes. Phoenix requires a adu permit for this type of project. Submitting without a permit may result in fines, required removal, or complications when selling your property.
How long does adu permit approval take in Phoenix?: Processing times in Phoenix vary depending on project complexity and current review volume. The process involves 5 steps. Contact Phoenix Development Services for current timelines.
What documents are required for a adu permit in Phoenix?: Phoenix requires 6 documents including Permit Application, Site Plan, Architectural Plans, Structural Calculations, and others. See the full list above for details.
What happens if I build without a adu permit in Phoenix?: Building without a permit in Phoenix can result in stop-work orders, fines, required removal of work, difficulty selling your property, and insurance complications. It is strongly recommended to obtain proper permits before starting work.
Can PermitMagic help prepare my adu permit submission in Phoenix?: Yes. PermitMagic generates a submission-ready packet tailored to Phoenix's requirements, including a document checklist, workflow steps, and authority references. Start a permit plan to get your personalized packet.
How much does a adu permit cost in Phoenix?: ADU permit fees in Phoenix typically range from $110 to $900, depending on project scope. Fees may include building permit, plan review, and technology surcharges. Verify current fees with Phoenix.

Ready to prepare this permit correctly?

Start your adu permit plan for Phoenix, Arizona and generate a submission-ready packet with all required documents and authority references.

Start Permit Plan

No account required · Free to get started