About LA-PLB Exam Prep
An independent practice platform for the Louisiana Master Plumber License Exam (LA-PLB) exam - real questions across every exam domain, each with a plain-language explanation.
What's on the LA-PLB exam
The Louisiana Master Plumber License Exam (LA-PLB) exam is organized into 17 knowledge domains. It has 145 questions and is completed in 7 hours. Here is what it covers:
- Part I - Definitions and General Regulations
- Part I - Plumbing Fixtures and Fixture Fittings
- Part I - Safety, Environmental, and OSHA
- Part I - Sanitary Drainage and Vents
- Part I - Storm Drainage
- Part I - Water Supply and Distribution
- Part II - Definitions and General Regulations
- Part II - Sewage System Construction and Design
- Part II - Sewage System Installation and Maintenance
- Part III - Business Structure and Strategies
- Part III - Contracts and Estimating
- Part III - Definitions and General Regulations
- Part III - Financial Management
- Part III - Human Resources
- Part III - Project Management and Customer Relations
- Part III - Risk Management
- Part III - Safety, Environmental, and OSHA
Every practice question on this site is organized across these 117 domains, so your study tracks the real exam structure instead of guesswork. As you answer, the per-domain analytics surface the areas still costing you points, so your review goes where it moves your score.
What we believe good exam prep looks like
Realistic practice beats passive reading. Every question is written to mirror the style and difficulty of the real exam, with a clear explanation of why the right answer is right and the others aren't.
Your weak spots should find you. Domain analytics, mistake review, and re-drilling are built in, so study time goes where it moves your score.
Pricing should be simple. One payment for a fixed access window matched to your exam date. No subscription, no auto-renewal, and 10 free questions to try before you spend anything.
Get in touch
Questions, feedback, or something not working? Email support@boardmentor.study - candidate messages are read and answered.