100+ Free LA Plumber Practice Questions
Pass your Louisiana Journeyman Plumber License Exam exam on the first try — instant access, no signup required.
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Key Facts: LA Plumber Exam
70%
Passing Score
Louisiana SPBLA
~100
Exam Questions
SPBLA exam format
Paper
Exam Format
Scantron/paper
IPC 2021
Code Base
Louisiana adoption
The Louisiana journeyman plumber exam is administered by the State Plumbing Board (SPBLA) as an open-book paper/scantron exam — not computer-based. The exam is based on the IPC 2021 and IRC, requiring 70% to pass. Candidates should bring clean, bound copies of both the IPC 2021 and IRC. The paper format means no going back easily, so read each question carefully.
About the LA Plumber Exam
Louisiana journeyman plumber licensing exam administered directly by the State Plumbing Board (SPBLA). This is a state-administered open-book paper/scantron exam based on the IPC 2021 and IRC. Covers drainage systems, water supply, venting, fixtures and appliances, gas piping, materials, and plumbing code administration. Louisiana is unique in using a paper-based scantron format rather than computer-based testing.
Questions
100 scored questions
Time Limit
4 hours
Passing Score
70%
Exam Fee
$135 (Louisiana State Plumbing Board (SPBLA))
LA Plumber Exam Content Outline
Drainage Systems
Drain pipe sizing, DFU calculations, slope requirements, cleanouts, building sewers, indirect waste, and special drainage systems per IPC 2021
Water Supply Systems
Water pipe sizing, WSFU calculations, backflow prevention, pressure regulation, water heaters, cross-connection control, and IRC residential requirements
Venting Systems
Vent sizing, wet venting, circuit venting, air admittance valves, vent termination, island fixture venting, and trap seal protection per IPC
Fixtures & Appliances
Fixture installation, clearances, accessible fixtures, commercial fixtures, water closets, lavatories, showers, and bathtubs per IPC/IRC
Gas Piping
Gas pipe sizing, BTU calculations, appliance venting, pressure testing, combustion air, and IFGC requirements
Code Administration & Materials
Permits, inspections, plan review, approved materials, pipe materials, joint methods, hangers and supports, and Louisiana-specific regulations
How to Pass the LA Plumber Exam
What You Need to Know
- Passing score: 70%
- Exam length: 100 questions
- Time limit: 4 hours
- Exam fee: $135
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
LA Plumber Study Tips from Top Performers
Frequently Asked Questions
How hard is the Louisiana journeyman plumber exam?
The Louisiana journeyman plumber exam is challenging with an estimated 50-60% pass rate. It uses a paper/scantron format (not computer-based) and is open-book with the IPC 2021 and IRC. Strong code navigation skills are essential since the paper format does not allow easy review of previous answers.
What plumbing code does Louisiana use?
Louisiana uses the International Plumbing Code (IPC) 2021 edition and the International Residential Code (IRC) for its journeyman plumber exam. Candidates should bring clean, bound copies of both codes to the exam. No highlighting, tabs with writing, or loose notes are permitted.
How much does the Louisiana plumber exam cost?
The Louisiana journeyman plumber exam fee is $135 paid to the State Plumbing Board (SPBLA). Additional costs include application fees and code books (IPC 2021 and IRC). Check with the SPBLA for the current fee schedule.
Is the Louisiana plumber exam paper or computer-based?
Louisiana administers the journeyman plumber exam in a paper/scantron format, not computer-based. This is unusual among states, most of which use PSI or Prometric computer-based testing. The exam is administered directly by the State Plumbing Board (SPBLA) at scheduled testing dates.