Florida Master Plumber Exam Pass Rate, Format & Study Guide

The Florida plumbing contractor general trade knowledge examination has 110 multiple-choice questions worth one point each and five isometric drawings worth ten points each, 160 points in total (DBPR candidate information booklet). The isometric drawings are graded by teams of three licensed plumbing contractors against eight criteria. This portal covers the multiple-choice part only: its practice set has 110 questions weighted like the official outline, and it does not grade isometric drawings.

Passing the trade knowledge examination, together with the business examination, is a step toward a Florida certified plumbing contractor license.

Journeyman and master plumbers preparing to qualify a Florida plumbing contracting business.

The certifying body does not publicly publish an official pass rate for this exam. Be wary of third-party sites citing a specific number here — treat any pass-rate claim you see elsewhere for this exam as unverified.

The current DBPR candidate information booklet explains how to reschedule after a failed attempt and what it costs.

You need 112 of the 160 possible points (70 percent), combining the multiple-choice questions and the isometric drawings. The practice set here covers only the multiple-choice part, so its score is not a prediction of your result. Format: 110 four-option multiple-choice questions and 5 isometric drawings; this portal practices the multiple-choice part. No official pass rate is available for this exam, so none is quoted here.

The Florida plumbing contractor general trade knowledge examination has 110 multiple-choice questions worth one point each and five isometric drawings worth ten points each, 160 points in total (DBPR candidate information booklet). The isometric drawings are graded by teams of three licensed plumbing contractors against eight criteria. This portal covers the multiple-choice part only: its practice set has 110 questions weighted like the official outline, and it does not grade isometric drawings. 110 four-option multiple-choice questions (1 point each) plus 5 isometric drawings (10 points each) · 160 points in total · 112 points to pass. You need 112 of the 160 possible points (70 percent), combining the multiple-choice questions and the isometric drawings. The practice set here covers only the multiple-choice part, so its score is not a prediction of your result.

• Drainage20%
• Water Distribution20%
• Natural Gas Piping15%
• Medical Gas Piping20%
• Industrial Piping10%
• Swimming Pools, Wells, and Irrigation5%
• Solar5%
• Fire Protection5%

The content outline spreads questions across 8 areas: Drainage (20.0%); Water Distribution (20.0%); Natural Gas Piping (15.0%); Medical Gas Piping (20.0%); Industrial Piping (10.0%); Swimming Pools, Wells, and Irrigation (5.0%); Solar (5.0%); Fire Protection (5.0%).

Florida sets the experience and qualification rules for plumbing contractors under Chapter 489, Part I, Florida Statutes. Confirm your route with DBPR before applying.

DBPR application and examination fees apply; confirm them with DBPR. Code books are extra.

This guide does not cover license renewal and continuing education; check CILB for the current requirements.

Start with the heaviest areas of the content outline: Drainage (20.0%); Water Distribution (20.0%); Medical Gas Piping (20.0%). Then work through the remaining areas, and finish with timed full-length practice runs of 110 questions in one sitting.

Content outlines, fees and passing standards change; this guide follows the official documents listed under Verification as of October 2026. Check DBPR before you register.