ADU Permit Inspection Checklist in Honolulu, Hawaii

Required Documents

Honolulu requires the following documents for this permit application.

Permit Process

Follow these steps to submit your permit application through City and County of Honolulu Department of Planning and Permitting.

1. 1

   Zoning Eligibility Verification

   Obtain zoning verification letter from Honolulu DPP confirming ADU is allowed in property zoning district and meets dimensional requirements

   You'll need: Zoning Verification Letter, Proof of Property Ownership

2. 2

   Submit Building Permit Application

   Submit complete permit application with architectural, structural, utility plans and all required supporting documentation to Honolulu DPP

   You'll need: Building Permit Application, Architectural Drawings, Site Plan, Structural Engineering Plans, Mechanical and Utility Plans

3. 3

   Plan Review and Approval

   Honolulu DPP conducts comprehensive plan review for compliance with zoning ordinance, Hawaii Building Code, and design standards

4. 4

   Address Plan Review Comments

   Revise and resubmit plans as needed to address any code compliance issues or comments raised during plan review

5. 5

   Permit Issuance and Payment

   Pay all permit fees and receive approved building permit authorizing construction to begin

6. 6

   Construction Inspections

   Schedule and pass required inspections: foundation, framing, electrical, plumbing, mechanical, and final inspection per Hawaii Building Code

7. 7

   Certificate of Occupancy

   Receive Certificate of Occupancy from Honolulu Building Official upon successful final inspection and code compliance verification

Fees and Timeline

Authority Sources

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

Frequently Asked Questions

Do I need a adu permit in Honolulu?

Yes. Honolulu 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 Honolulu?

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

What documents are required for a adu permit in Honolulu?

Honolulu 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 Honolulu?

Building without a permit in Honolulu 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 Honolulu?

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

ADU permit fees in Honolulu typically range from $4,500 to $13,200, depending on project scope. Fees may include building permit, plan review, and technology surcharges. Verify current fees with Honolulu.

Related Permits