Apply for Letter of Determination (Determine Project Zoning Conformity)

Developers and business owners may need a formal determination whether their proposed project meets Zoning designations or regulations, or may wish to challenge City interpretation of a project's Zoning conformity. They may seek these by applying for a Letter of Determination with the Zoning Division.

Before you Start

Please review the Letter of Determination Requirements below as these vary from property to property.

Ready to get started? First, make sure you are registered and activated at our Online Permit Center. For instructions, please visit our Planning & Building Video Tutorials webpage.

What to Do

Letter of Determination Requirements

How to Apply

  1. Step One: Apply Online
    • Apply through our Online Permit Center (no login required)
    • Fill out all required form fields, select the type of letter requested, and follow step-by-step instructions to submit
  2. Step Two: Application Review

    Once we receive your application, staff will review your documents for completeness. If further information is needed, a planner will contact you at the email address provided. For the latest processing estimates, please see our Average Permit Processing Turnaround Times webpage.

Need to Know


Call (510) 238-3911 or find quick answers through our Permit & Services Questions Portal. You may also schedule an appointment with Permit Counter staff during open hours.


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