Do I need a adu permit in Chandler?

Yes. Chandler 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 Chandler?

Processing times in Chandler vary depending on project complexity and current review volume. The process involves 7 steps. Contact Chandler Development Services for current timelines.

What documents are required for a adu permit in Chandler?

Chandler requires 7 documents including Building Permit Application, Architectural Drawings, Site Plan, Zoning Verification Letter, and others. See the full list above for details.

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

Building without a permit in Chandler 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 Chandler?

Yes. PermitMagic generates a submission-ready packet tailored to Chandler'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 Chandler?

ADU permit fees in Chandler typically range from $3,000 to $9,075, depending on project scope. Fees may include building permit, plan review, and technology surcharges. Verify current fees with Chandler.

ADU Permit Submission Checklist in Chandler, Arizona

Everything you need to apply for a adu permit in Chandler, Arizona — documents, fees, steps, and a downloadable submission packet.

Build My Permit Packet View Requirements

Key Facts

Permit required: Yes
Submission method: Online
Typical fee range: $3,000 – $9,075
Review time: Varies by jurisdiction
Inspections: 6 inspections required

VerifiedLast verified: Feb 15, 20262 verified sources

ADU Permit Checklist

Chandler — 7 required, 0 optional

Forms & Applications(1)

Building Permit ApplicationREQUIRED✓[1][2]
Completed City of Chandler building permit application with complete project description, property owner contact information, and construction cost estimates

Plans & Diagrams(5)

Architectural DrawingsREQUIRED✓[3][4]
Complete architectural plans signed by a licensed Arizona architect, including floor plans, elevations, sections, and construction details with compliance notes
Site PlanREQUIRED✓[5][6]
Site plan showing property boundaries, dimensions, building footprint, setbacks, parking layout, access routes, and existing utilities
Zoning Verification LetterREQUIRED✓[7][8]
Zoning verification letter from Chandler Planning confirming property zoning district and ADU eligibility under current zoning ordinance
Structural Engineering PlansREQUIRED✓[9][10]
Structural engineering plans and calculations by a licensed Arizona professional engineer for foundation, framing, and load-bearing elements
Mechanical and Utility PlansREQUIRED✓[11][12]
Plans showing water supply, sewer, electrical, gas connections and separate metering for water, electric, and gas services to ADU

Supporting Documents(1)

Proof of Property OwnershipREQUIRED✓[13][14]
Current property deed or title commitment showing applicant ownership of subject property

This checklist is for reference only. Requirements may change — always verify with Chandler before submission.

Avoid rejections — generate a submission-ready packet

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

Required forms: Building Permit Application, and more
Pre-filled templates: Permit Cover Sheet
Fee breakdown: $1,000–$5,500 estimated total
Step-by-step City of Chandler Planning and Development Services portal submission guide
Inspection prep checklist (6 items)
Personalized for your specific project details

Build My Permit Packet

Free to preview · Pro to download

Required Documents

Chandler requires the following documents for this permit application.

Building Permit Application

Completed City of Chandler building permit application with complete project description, property owner contact information, and construction cost estimates

Architectural Drawings

Complete architectural plans signed by a licensed Arizona architect, including floor plans, elevations, sections, and construction details with compliance notes

Site Plan

Site plan showing property boundaries, dimensions, building footprint, setbacks, parking layout, access routes, and existing utilities

Zoning Verification Letter

Zoning verification letter from Chandler Planning confirming property zoning district and ADU eligibility under current zoning ordinance

Structural Engineering Plans

Structural engineering plans and calculations by a licensed Arizona professional engineer for foundation, framing, and load-bearing elements

Mechanical and Utility Plans

Plans showing water supply, sewer, electrical, gas connections and separate metering for water, electric, and gas services to ADU

Proof of Property Ownership

Current property deed or title commitment showing applicant ownership of subject property

Permit Process

Follow these steps to submit your permit application through City of Chandler Planning and Development Services.

1
Zoning Eligibility Verification
Obtain zoning verification letter from Chandler Planning confirming ADU is allowed in property zoning district and meets dimensional requirements
You'll need: Zoning Verification Letter, Proof of Property Ownership
2
Submit Building Permit Application
Submit complete permit application with architectural, structural, utility plans and all required supporting documentation to Chandler Planning and Development
You'll need: Building Permit Application, Architectural Drawings, Site Plan, Structural Engineering Plans, Mechanical and Utility Plans
3
Plan Review and Approval
Chandler Planning conducts comprehensive plan review for compliance with zoning ordinance, Arizona Building Code, and design standards
4
Address Plan Review Comments
Revise and resubmit plans as needed to address any code compliance issues or comments raised during plan review
5
Permit Issuance and Payment
Pay all permit fees and receive approved building permit authorizing construction to begin
6
Construction Inspections
Schedule and pass required inspections: foundation, framing, electrical, plumbing, mechanical, and final inspection per Arizona Building Code
7
Certificate of Occupancy
Receive Certificate of Occupancy from Chandler Building Official upon successful final inspection and code compliance verification

Fees and Timeline

Fee Breakdown

Fee	Range	Confidence
ADU Permit Fee	$2,000 – $5,500	Verified
Plan Review Fee	$1,000 – $3,575	Verified

Inspections Required

Foundation and footing inspection per Arizona Building Code

Framing and structural member verification

Electrical rough-in and separate service panel inspection

Plumbing rough-in and fixture installation inspection

Mechanical systems and HVAC installation inspection

Final inspection and Certificate of Occupancy

Authority Sources

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

City of Chandler Planning and Development Services

Last verified: February 15, 2026

2 sources referenced

Official page

Chandler ADU Development Guidelines

Verified February 15, 2026

Official page

City of Chandler Zoning Ordinance and Code

Verified February 15, 2026

Portal guide

Chandler Permits and Development Services Portal

Verified February 15, 2026

Fee schedule

Chandler Building Permit and Development Fee Schedule

Verified February 15, 2026

Frequently Asked Questions

Do I need a adu permit in Chandler?: Yes. Chandler 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 Chandler?: Processing times in Chandler vary depending on project complexity and current review volume. The process involves 7 steps. Contact Chandler Development Services for current timelines.
What documents are required for a adu permit in Chandler?: Chandler requires 7 documents including Building Permit Application, Architectural Drawings, Site Plan, Zoning Verification Letter, and others. See the full list above for details.
What happens if I build without a adu permit in Chandler?: Building without a permit in Chandler 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 Chandler?: Yes. PermitMagic generates a submission-ready packet tailored to Chandler'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 Chandler?: ADU permit fees in Chandler typically range from $3,000 to $9,075, depending on project scope. Fees may include building permit, plan review, and technology surcharges. Verify current fees with Chandler.