Master Plumber/Gas Requirements 

Master Plumber with Gas

No person shall plan for, lay out, supervise or perform plumbing work within the City, with or without compensation, unless the person holds a master plumber's license issued by the State of Iowa.

Licensed Persons To Be On-Site

There shall be a properly licensed person present at all locations and at all times where work requiring a license is being performed. At least one licensed person shall be present for every three (3) laborers. Such licensed person must be an employee of the permit holder. 

Journeyman Plumber/Gas Requirements

Journeyman with Gas Plumber

No person shall work as a Journeyman Plumber within the City unless the person holds a Journeyman Plumber's license issued by the State of Iowa.

Licensed Persons To Be On-Site

There shall be a properly licensed person present at all locations and at all times where work requiring a license is being performed. At least one licensed person shall be present for every three (3) laborers. Such licensed person must be an employee of the permit holder. 
 

Licensing ordinance - This link points to the City Code of Iowa City. For licensing, please reference Title 17, Chapter 11.