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Mississippi Plumber License General FAQ

Who needs to be licensed for plumbing in Mississippi?

If you are doing work that amounts to more than $10,000 you must hold a valid plumber license. You do not need a license if you are doing plumbing (public or private) that amounts to less than $50,000 per project.

Local municipalities may require different licensing than the state. Check with your municipality to determine your licensing needs.

What are the types of plumbing licenses available in Mississippi?

State Licenses

  • Unlimited Commercial
  • Unlimited Residential

Local Municipalities

  • Journeyman
  • Master
How do I get my plumbing license in Mississippi?
Check with your municipality.
What does your Mississippi plumber exam prep cover?

Business & Law

  • Licensing
  • Estimating and Bidding
  • Liens
  • Financial Management
  • Tax Laws
  • Employee Management
  • Project Management
  • Contracts
  • Business Organization
  • Risk Management
  • Jobsite Safety and Environmental Factors

Commercial & Residential Prep

  • OSHA
  • Administration, Scope and Intent/Purpose
  • Definitions and Symbols
  • Plumbing Math
  • General Regulations
  • Fixtures, Faucets, and Fixture Fittings
  • Water Heaters
  • Water Supply and Distribution
  • Sanitary Drainage
  • Indirect and Special Waste
  • Vents
  • Traps, Interceptors, and Separators
  • IStorm Drainage
  • Nonpotable Water Systems
  • Subsurface Landscape Irrigation Systems
  • Appendix E
  • Isometrics
  • Private Sewage Systems
  • International Fuel Gas Code
  • Hands-On Practical Application
  • Master Plumber Isometrics
  • Practice Tests

Bonus Materials

  • Reading and Understanding the PSI Bulletin
  • Books That You Should Have During the Exam
  • Effective Study Techniques
Who issues Mississippi plumbing licenses?

Mississippi Contractor Licensing Board
P.O. Box 32039
2679 Crane Ridge Drive, Suite C
Jackson, MS 39216

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