ADU Permit Fees & Costs 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
Limited Data Available
Some information on this page has not been fully verified. We're working to improve data quality. Always verify with Irvine directly.
Estimated Total Fees
$4,800 – $13,200
Range based on typical residential solar PV system. Actual fees depend on project valuation and system size.
| Fee Component | Range | Confidence |
|---|---|---|
| ADU Permit Fee[1][2] Building permit fees calculated per Irvine Master Fee Schedule based on estimated construction valuation and square footage. Includes plan review and standard inspections. No impact fees for ADU utility connections. | $3,200 – $8,000 | ✓ |
| Plan Review Fee[3][4] Plan review fee is typically 50-65% of the permit fee. | $1,600 – $5,200 | ✓ |
| Estimated Total | $4,800 – $13,200 |
Fees shown as ranges. Always verify the exact amount with Irvine before submission. Additional fees may apply for expedited review or resubmittals.
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
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Required Documents
Irvine requires the following documents for this permit application.
Building Permit Application
Completed City of Irvine building permit application with project description, legal property description, and owner/applicant information and certification
Architectural Drawings
Complete architectural drawings signed and sealed by a licensed California architect or professional engineer with floor plans, elevations, sections, and building details
Site Plan
Site plan showing property boundaries, lot dimensions, setbacks, existing and proposed structures, parking layout, and utility connections
Property Ownership Documentation
Current deed or title report proving property ownership, required per California Government Code 65852.2 for ADU eligibility verification
Utility and Mechanical Plans
Plans showing water, sewer, electrical, and gas service connections with separate metering specifications for independent ADU utility service
Permit Process
Follow these steps to submit your permit application through Irvine Community Development Department.
- 1
Verify ADU Eligibility
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.
You'll need: Property Ownership Documentation
- 2
Submit Building Permit Application
Submit complete building permit application with architectural, site, and utility plans through the online portal
You'll need: Building Permit Application, Architectural Drawings, Site Plan, Utility and Mechanical Plans
- 3
Plan Review
Irvine Community Development conducts comprehensive plan review for California Building Code and local code compliance
- 4
Address Plan Review Comments
Revise and resubmit plans if necessary to address any plan review comments or required modifications
- 5
Fee Payment and Permit Issuance
Pay all required permit and inspection fees and receive authorization to begin construction
- 6
Construction Inspections
Schedule and pass all required inspections during construction and upon final completion
Authority Sources
Data on this page is sourced from official records published by the permitting authority. Always verify requirements directly before submitting.
Verified February 15, 2026
Verified February 15, 2026
Verified February 15, 2026
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
Other permits in Irvine
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Answer a few project questions and get a adu permit packet for Irvine, California — with every document, form, and fee organized for submission.
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