Requirements & steps

What are the requirements to getting a license?

North Carolina splits their Plumbing Inspector License into three different levels:

Arizona Limited Building Contractor RequirementsLevel I

Applicants looking to obtain their Level I Plumbing Inspector License must satisfy ONE of the following education and experience requirements:

  • A one-year diploma in plumbing construction from an accredited college or an equivalent apprenticeship or trade school program in plumbing construction
  • A Four-year degree from accredited college or university.
  • At least six months of plumbing inspection experience with a probationary Level I plumbing inspection certificate on a minimum of two Level I buildings while working under the direct supervision of a standard certified plumbing inspector I, II, or III with a supporting letter from the applicant's supervisor
  • at least one year of plumbing design, construction, or inspection experience on a minimum of two Level I buildings while working under the direct supervision of a licensed engineer or licensed Class I plumbing contractor with a supporting letter from the applicant's supervisor
  • A Class I license as a plumbing contractor;
  • At least two years of plumbing installation or inspection experience while working under a licensed Class I plumbing contractor; or
  • at least two years of experience with a probationary Level I plumbing inspection certificate inspecting plumbing installations a minimum of two Level I building
Arizona Limited Building Contractor RequirementsLevel II

Applicants looking to obtain their Level II Plumbing Inspector License must satisfy ONE of the following education and experience requirements:

  • A license as a professional engineer
  • A four-year degree from an accredited college or university in mechanical engineering or mechanical or plumbing construction;
  • A four-year degree from an accredited college or university and at least two years of plumbing design, construction, or inspection experience on a minimum of two Level II buildings while working under direct supervision of a certified plumbing inspector II or III, licensed engineer, or licensed Class I plumbing contractor;
  • A two year degree from an accredited college or university in mechanical engineering or mechanical or plumbing construction and at least two years of plumbing design, construction, or inspection experience on a minimum of two Level II buildings while working under the direct supervision of a certified plumbing inspector II or III, licensed engineer, or licensed Class I plumbing contractor;
  • A Class I license as a plumbing contractor with experience on a minimum of two Level II buildings;
  • At least three years of plumbing inspection experience including one year of inspection experience with a probationary Level II plumbing inspection certificate on a minimum of two Level II buildings while working under the direct supervision of a certified plumbing inspector II or III with a supporting letter from the applicant's supervisor
  • At least three years of plumbing design, construction, or inspection experience on a minimum of two Level II buildings while working under the direct supervision of a licensed engineer or licensed Class I plumbing contractor with a supporting letter from the applicant's supervisor
  • At least two years of experience with a probationary Level II plumbing inspection certificate inspecting plumbing installations on a minimum of two Level II buildings
Arizona Limited Building Contractor RequirementsLevel III

Applicants looking to obtain their Level III Plumbing Inspector License must satisfy ONE of the following education and experience requirements:

  • A license as a professional engineer with design, construction, or inspection experience on Level III buildings and specialization in mechanical engineering;
  • A four-year degree from an accredited university in mechanical engineering or mechanical or plumbing construction and at least one year of plumbing design, installation, or inspection experience while working under the direct supervision of a certified plumbing inspector III, licensed engineer, or licensed Class I plumbing contractor at least at the level of supervisor in responsible charge of a minimum of two Level III buildings;
  • A two-year degree from an accredited college or university in mechanical engineering or plumbing construction and at least three years of plumbing design, installation, or inspection experience while working under the direct supervision of a certified plumbing inspector III, licensed engineer, or licensed Class I plumbing contractor with at least one year at the level of supervisor in responsible charge of a minimum of two Level III buildings;
  • A Class I license as a plumbing contractor with experience on a minimum of two Level III buildings;
  • At least four years of plumbing inspection experience including one year of inspection experience with a probationary Level III plumbing inspection certificate on a minimum of two Level III buildings while working under the direct supervision of a certified plumbing inspector III with a supporting letter from the applicant's supervisor
  • At least four years of plumbing design, construction, or inspection experience while working under the direct supervision of a licensed engineer or licensed Class I plumbing contractor, two years of which have been performed at the level of supervisor in responsible charge of a minimum of two Level III buildings with a supporting letter from the applicant's supervisor
  • At least one year of experience with a probationary Level III plumbing inspection certificate inspecting the plumbing installations of a minimum of two Level III buildings
Classification Level I Level II Level III
Assembly 1 story / 7,500 sf 1 story / 20,000 sf Unlimited
Business 1 story / 20,000 sf 1 story / 60,000 sf
Multi-story: 4 stories max / 20,000 sf per floor
Unlimited
Education 1 story / 7,500 sf 1 story / 20,000 sf
Multi-story: 2 stories max / 20,000 sf per floor
Unlimited
Hazardous 1 story / 3,000 sf 1 story / 20,000 sf
Multi-story: 2 stories max / 20,000 sf per floor
Unlimited
Factory Industrial 1 story / 20,000 sf 1 story / 60,000 sf
Multi-story: 4 stories max / 20,000 sf per floor
Unlimited
Institutional 1 story / 7,500 sf 1 story / 10,000 sf
Multi-story: 3 stories max / 10,000 sf per floor
Unlimited
Mercantile 1 story / 20,000 sf 1 story / 60,000 sf
Multi-story: 4 stories max / 20,000 sf per floor
Unlimited
Residential
Multi-Unit
1 story / 7,500 sf 3 stories max / no restriction on floor area Unlimited
1 & 2 Family Dwellings,
Townhouses
Unlimited Unlimited Unlimited
Storage 1 story / 20,000 sf 1 story / 60,000 sf per floor
Multi-story: 4 stories max / 20,000 sf per floor
Unlimited
Utility & Misc. Unlimited Unlimited Unlimited