Plumbing Permits
Plumbing Permits are required for any installation or modification of drainage systems, waste and vent systems, fuel gas piping, potable water piping, rainwater piping, lawn sprinkler system, and subsurface drainage piping on swimming pool water circulating systems.
About Plumbing Permits
Plans shall be filed with and approved by the Department (as a Plumbing Plan Check) before any permit is issued for work listed below:
- Drainage systems.
- Drainage and vent systems for a building or structure involving fixtures that discharge 217 or more drainage fixture units.
- Drainage pumps and ejectors.
- Combination waste and vent systems.
- Fuel gas piping with any of the following:
- Systems having more than 10 outlets.
- Medium pressure gas systems.
- High pressure gas systems.
- Methane gas extraction systems.
- Potable water piping with any of the following:
- Systems requiring a 2-inch or larger supply.
- Systems designed from the procedure in Section 610.5 of the Uniform Plumbing Code.
- Exception: Plan check is not required for existing systems, that are added to or altered, with branch lines that serve less than 20 fixture units and sized by Table 6-4.
- Rainwater piping systems with more than 10 interconnected rainwater or overflow drains, or a rainwater pump.
- Special water piping systems for reclaimed water piping.
- Lawn sprinkler systems required for irrigation of cut-and-fill slopes in hillside areas.
- Subsurface drainage piping.
- Swimming pool circulating water systems.
Additional Resources
- Code Amendment
- Forms & Applications
- Covenant & Agreements (Affidavits)
- Information Bulletins
- Requests for Modifications
- Standard Correction Lists
- Presentations
Filtered categories:
Sound Insulation Requirements for Noise Sensitive Structures Near Los Angeles International Airport
IB/P/BC 2014-074
Roofing Requirements for Wood Shakes and Shingles
IB/P/BC 2017-013
- Effective
Fire Retardant Roof Coverings for Open Walking Decks and Space Roof Construction
IB/P/BC 2017-023
Onsite Wastewater Treatment System (OWTS) (Residential)
IB/P/BC 2017-027
Exemptions from Liquefaction, Earthquake Induced Landslide, and Fault-rupture Hazard Zone Investigations
IB/P/BC 2017-044
- Effective
Guidelines and Requirements for Installing Rooftop Gardens
IB/P/BC 2017-126
Standard for Existing Building Glass Retrofitted with an Approved Organic Film
IB/P/BC 2020-052
Filtered categories:
What is the difference between listed and approved electrical equipment?
What is the difference between the "General" and "One-Time" approval?
What is the difference between Title 24, Part 6 energy regulation and regular plan check?
Filtered categories:
Functional Performance Testing Compliance Form
GRN 24-2023
- Effective
General Engineering Contractors and Demolitions
IB/P/GI 2023-015
- Effective
General Illumination and Lock Requirements in Accordance with Ordinance
IB/P/BC 2017-011
- Effective
General Notes for Commercial Accessibility
IB/P/BC 2020-143
- Effective
Filtered categories:
What is the difference between listed and approved electrical equipment?
What is the difference between the "General" and "One-Time" approval?
What is the difference between Title 24, Part 6 energy regulation and regular plan check?
Forms Search
Filtered categories:
What is the difference between listed and approved electrical equipment?
What is the difference between the "General" and "One-Time" approval?
What is the difference between Title 24, Part 6 energy regulation and regular plan check?
Forms Search
Filtered categories:
Functional Performance Testing Compliance Form
GRN 24-2023
- Effective
General Engineering Contractors and Demolitions
IB/P/GI 2023-015
- Effective
General Illumination and Lock Requirements in Accordance with Ordinance
IB/P/BC 2017-011
- Effective
General Notes for Commercial Accessibility
IB/P/BC 2020-143
- Effective