Apply for Generators

Generators are defined as stationary or portable compression ignition engines used to provide power to a structure or for a given activity. Zoning review, Electrical, and Plumbing Permits are required. For large generators, a Building Permit is required.

Before you Start

Please review the Permit Requirements below as these vary from project to project.

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

Permit Requirements

How to Apply

  1. Step One: Zoning Review
    • Submit a Zoning Worksheet through our Online Permit Center*
      * NOTE: You will be taken to our login page first before you can submit a Zoning Worksheet
    • In the Worksheet, upload your completed Basic Application for Development Review including all site photos, a site plan, elevations and/or a cut sheet for vendor
    • A planner will review your submission
    • Once approved, you will receive confirmation from the Zoning Division
  2. Step Two: Building Permits

    For small residential generators (natural gas-powered), apply for both an Electrical and Plumbing permit here:

    • Apply for Electrical Permit:
      Residential (houses, duplexes, and their associated structures only)
    • Apply for Plumbing Permit:
      Residential (houses, duplexes, and their associated structures only)

    For large generators (>400 lbs. AND with a center of gravity above 4 ft.), you will also need a Building Permit:

  3. Step Three: Application Review

    Once we receive your application and have created it in our system, we will review your plans. If your plans require corrections or if we need further information, we will contact you. For the latest processing estimates, please see our Average Permit Processing Turnaround Times webpage.

Need to Know


Call (510) 238-3891 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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