ADU Permit Online Portal Guide in Irvine, California

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

Key Facts

Permit required
Yes
Submission method
Online
Typical fee range
$4,800 – $13,200
Review time
Varies by jurisdiction
Inspections
7 inspections required
VerifiedLast verified: Feb 15, 20262 verified sources

Irvine Community Development Department

Verified

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

Open Portal

Step 1: Verify ADU Eligibility

[3][4]

Confirm property meets ADU eligibility requirements under California Government Code 65852.2 and Irvine General Plan and zoning code. Verify property ownership and zoning designation.

What You Need

  • Property Ownership Documentation

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

Generate your permit packet

Get a personalized ADU permit packet for Irvine, California — tailored to your project details.

  • Required forms: Building Permit Application, and more
  • Pre-filled templates: Permit Cover Sheet
  • Fee breakdown: $1,600–$8,000 estimated total
  • Step-by-step Irvine Community Development Department portal submission guide
  • Inspection prep checklist (7 items)
  • Personalized for your specific project details
Build My Permit Packet

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Required Documents

Irvine requires the following documents for this permit application.

R

Building Permit Application

Completed City of Irvine building permit application with project description, legal property description, and owner/applicant information and certification

R

Architectural Drawings

Complete architectural drawings signed and sealed by a licensed California architect or professional engineer with floor plans, elevations, sections, and building details

R

Site Plan

Site plan showing property boundaries, lot dimensions, setbacks, existing and proposed structures, parking layout, and utility connections

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Property Ownership Documentation

Current deed or title report proving property ownership, required per California Government Code 65852.2 for ADU eligibility verification

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Utility and Mechanical Plans

Plans showing water, sewer, electrical, and gas service connections with separate metering specifications for independent ADU utility service

Fees and Timeline

Fee Breakdown

FeeRangeConfidence
ADU Permit Fee$3,200 – $8,000Verified
Plan Review Fee$1,600 – $5,200Verified

Inspections Required

Foundation and footing inspection per California Building Co

Foundation and footing inspection per California Building Code

Framing and structural member inspection

Framing and structural member inspection

Electrical rough-in and service panel inspection

Electrical rough-in and service panel inspection

Plumbing rough-in and fixture installation inspection

Plumbing rough-in and fixture installation inspection

Mechanical system and HVAC installation inspection

Mechanical system and HVAC installation inspection

Wall and floor construction quality inspection

Wall and floor construction quality inspection

Final inspection and occupancy approval

Final inspection and occupancy approval

Authority Sources

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

Irvine Community Development Department

Last verified: February 15, 2026

2 sources referenced

Official page
Fee schedule
City of Irvine Master Fee Schedule

Verified February 15, 2026

Frequently Asked Questions

Do I need a adu permit in Irvine?
Yes. Irvine 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 Irvine?
Processing times in Irvine vary depending on project complexity and current review volume. The process involves 6 steps. Contact Irvine Development Services for current timelines.
What documents are required for a adu permit in Irvine?
Irvine requires 5 documents including Building Permit Application, Architectural Drawings, Site Plan, Property Ownership Documentation, and others. See the full list above for details.
What happens if I build without a adu permit in Irvine?
Building without a permit in Irvine 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 Irvine?
Yes. PermitMagic generates a submission-ready packet tailored to Irvine'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 Irvine?
ADU permit fees in Irvine typically range from $4,800 to $13,200, depending on project scope. Fees may include building permit, plan review, and technology surcharges. Verify current fees with Irvine.

Related Permits

Ready to apply? Build your submission packet.

Answer a few project questions and get a adu permit packet for Irvine, California — with every document, form, and fee organized for submission.

Build My Permit Packet

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