Customers with appointments can enter the Development Services Center at the City Operations Building using the third-floor bridge connected to the Evan V. Jones Parkade Terrace Level.

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Plan (required) Plumbing/Gas Permit

This permit is required for the alteration, addition or replacement of a plumbing system or portion of a plumbing system within or on any structure or premises and to comply with the minimum standards necessary to safeguard public health, safety, and welfare, unless exempted in PDF icon San Diego Municipal Code §129.0403.


Plan Your Project

What You Should Know

  • PDF icon Plumbing Permit Procedures 
  • PDF icon Who may prepare Plans, Reports and Calculations
    Plumbing plans and calculations shall be stamped and signed in accordance with the California Business and Professions Code. The plumbing plans and calculations shall be signed by a licensed mechanical engineer. An architect or civil engineer can sign the Plumbing plans only if he or she has designed the project as the responsible designer of the plumbing system. A mechanical contractor can sign and stamp the plumbing plans and calculations and/or Title 24 energy compliance for the plumbing system only if he/she is responsible for both the design and installation of the system. PDF iconProject Submittal Requirements, Section 2: 7.1
  • Single Dwelling Unit/Duplex
    • Plumbing plans are not required for one- and two-family dwellings or townhouses, as defined in the California Residential Code, and their accessory structures.
    • When plumbing fixtures are present, show all existing, proposed and relocated plumbing fixtures.  Plumbing equipment location, size, make and model of proposed water heater must be shown.  PDF icon Project Submittal Requirements, Section 2A: 5.1.5 – 5.1.6
    • Energy calculations are required for all new buildings and additions to building except accessory structures or non-habitable areas. PDF icon Project Submittal Requirements, Section 2A: 9.0
  • All Other Buildings and Structures, PDF icon Construction Permits – Structures, Section 2: 7.0
    • Plumbing plans and calculations are required for all buildings and structures other than one-and two-family dwellings except when the installation qualifies for a no-plan permit (Simple Permit).
  • Temporary Plumbing/Gas Permits.
  • If your project includes a building construction plan, you will need to submit for a Building Permit and include your plumbing plans in your submittal.
  • Your project may require a historic review to determine conformance with the PDF icon historic resources regulations if your project is located:
    • On a site with a designated historic resource
    • Within a designated historic district
    • On a site containing a structure of 45 years or more.
  • Please review  PDF icon Information Bulletin 581 for additional information.

Fees

Exemptions

A plumbing permit is not required for the following plumbing work however, exemption from the permit requirements of the Plumbing Regulations does not authorize any work to be done in any manner in violation of the provisions of the Plumbing Regulations or any other applicable local or state regulations. Learn more about PDF icon exemptions from a plumbing permit. 

  • Stopping of leaks in drains, soil, waste, or vent pipe; however, this exemption does not apply for the replacement of any drain pipe, soil, waste or vent pipe with new material in any part as part of the repair.
  • Clearing of stoppages, or the repair of leaks in soil, waste, or vent pipes, valves, fixtures, or replacement of exposed traps in existing plumbing systems serving lavatories, sinks, laundry trays or similar fixtures.
  • Replacement in kind of plumbing fixtures, unless the installation requires an alteration or replacement of drainage, waste, vent or water supply piping.

Compliant Outdoor Expansion

Apply for a Permit

Step 2

Complete or obtain a plumbing plan for your project.

The plumbing plan and calculations shall be stamped and signed in accordance with the California Business and Professional Code. View the Requirements and Resources section below for more information.

NOTE: The documents must be in PDF format. PDF icon View PDF requirements

Step 4

Apply for the permit

You will be required to upload the completed PDF documents from Step 2.