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Mississippi Plumber License General FAQ

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.

State Licenses

  • Unlimited Commercial
  • Unlimited Residential

Local Municipalities

  • Journeyman
  • Master
Check with your municipality.

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

Mississippi Contractor Licensing Board
P.O. Box 32039
2679 Crane Ridge Drive, Suite C
Jackson, MS 39216
601-354-6161
www.msboc.us

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