ADU Permit Requirements in Anaheim, California

Everything you need to apply for a adu permit in Anaheim, California โ€” documents, fees, steps, and a downloadable submission packet.

Key Facts

Permit required
Yes
Submission method
Online
Typical fee range
$3,750 โ€“ $10,725
Review time
Varies by jurisdiction
Inspections
7 inspections required
VerifiedLast verified: Feb 15, 20262 verified sources

Permit Requirements (5 items)

5 required

๐Ÿ“‹ Forms & Applications(1)

๐Ÿ“ Plans & Diagrams(3)

๐Ÿ“„ Supporting Documents(1)

Avoid rejections โ€” generate a submission-ready packet

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  • Required forms: Building Permit Application, and more
  • Pre-filled templates: Permit Cover Sheet
  • Fee breakdown: $1,250โ€“$6,500 estimated total
  • Step-by-step Anaheim Planning and Building Department portal submission guide
  • Inspection prep checklist (7 items)
  • Personalized for your specific project details
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Permit Process

Follow these steps to submit your permit application through Anaheim Planning and Building Department.

  1. 1

    Verify ADU Eligibility

    Confirm property eligibility for ADU under California Government Code 65852.2 and Anaheim Municipal Code Chapter 18.123. Verify lot size, zoning, and existing structure compatibility.

    You'll need: Proof of Ownership

  2. 2

    Submit Building Permit Application

    Submit complete building permit application with architectural, site, and utility plans to Anaheim Planning and Building Department online portal

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

  3. 3

    Plan Review and Routing

    City of Anaheim conducts interdepartmental plan review for code compliance, zoning verification, and public safety requirements

  4. 4

    Address Review Comments and Resubmit

    Revise plans if necessary to address any plan review comments and resubmit for approval

  5. 5

    Permit Issuance

    Pay all required permit fees and receive building permit authorization to begin construction

  6. 6

    Construction and Inspections

    Schedule and pass all required inspections during construction: foundation, framing, electrical, plumbing, mechanical, and final

Fees and Timeline

Fee Breakdown

FeeRangeConfidence
ADU Permit Fee$2,500 โ€“ $6,500Verified
Plan Review Fee$1,250 โ€“ $4,225Verified

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 panel inspection for separate servic

Electrical rough-in and panel inspection for separate service

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

Interior and exterior construction quality inspection

Interior and exterior construction quality inspection

Final inspection and approval

Final inspection and approval

Authority Sources

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

Anaheim Planning and Building Department

Last verified: February 15, 2026

2 sources referenced

Portal guide
Official page

Frequently Asked Questions

Do I need a adu permit in Anaheim?
Yes. Anaheim 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 Anaheim?
Processing times in Anaheim vary depending on project complexity and current review volume. The process involves 6 steps. Contact Anaheim Development Services for current timelines.
What documents are required for a adu permit in Anaheim?
Anaheim requires 5 documents including Building Permit Application, Architectural Drawings, Site Plan, Proof of Ownership, and others. See the full list above for details.
What happens if I build without a adu permit in Anaheim?
Building without a permit in Anaheim 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 Anaheim?
Yes. PermitMagic generates a submission-ready packet tailored to Anaheim'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 Anaheim?
ADU permit fees in Anaheim typically range from $3,750 to $10,725, depending on project scope. Fees may include building permit, plan review, and technology surcharges. Verify current fees with Anaheim.

Related Permits

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Answer a few project questions and get a adu permit packet for Anaheim, California โ€” with every document, form, and fee organized for submission.

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Sources & Citations

All regulatory information on this page is sourced from official government publications. Always verify requirements directly with your local Authority Having Jurisdiction (AHJ) before submission.

  1. [1]Anaheim Planning and Building Department โ€” Anaheim Municipal Code Chapter 18.123 (Accessory Dwelling Units)https://www.anaheim.net/government/code(verified Feb 15, 2026)
  2. [2]Anaheim Planning and Building Department โ€” Anaheim Planning and Building Permits Portalhttps://www.anaheim.net/department/planning-building(verified Feb 15, 2026)
  3. [3]Anaheim Planning and Building Department โ€” City of Anaheim ADU Permit Requirements and Checklisthttps://www.anaheim.net/department/planning-building(verified Feb 15, 2026)