Credential type: licensure examination · verified on the issuer's site September 19, 2026 issuer page

Exam Domains

1 International Plumbing Code (IPC) or Uniform Plumbing Code (UPC) Weight not published

2 Plumbing System Design and Installation Weight not published

3 Drain, Waste, and Vent (DWV) Systems Weight not published

4 Water Supply and Distribution Weight not published

5 Gas Piping Systems Weight not published

6 Safety and OSHA Requirements Weight not published

Exam Details

Question TypesMultiple Choice

FormatComputer-based or paper test at testing center; most states allow the relevant plumbing code book (IPC or UPC) as a reference during the exam.

Online ProctoringNot available

ID RequirementsGovernment-issued photo ID required. Name on ID must match registration exactly.

RenewalRequired -- License renewal every 2–3 years; continuing education required (8–16 hours depending on state); plumbing code editions update every 3 years and may require code-update training.

PrerequisitesCompletion of Texas apprenticeship or required on-the-job hours (recommended)

Retake PolicyTypically a 30-day waiting period between failed attempts. Most states allow 3–5 attempts per year. Some states require reapplication after multiple consecutive failures.

Texas Journeyman Plumber Exam Exam Blueprint

Exam Domains

Exam Details