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State files updated Oct 29, 2026
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Maryland contractor examWho gives it, fees, retakes

Maryland's contractor license needs a passing exam score, given by PSI. The exam fee is $631.

What is on the Maryland contractor exam?

Who gives it
PSI1
The exam
You must pass the Commission's exam before you apply: 55 questions on home improvement law and business practice, two hours, 70% to pass, given by PSI for a $63 standard fee. A passing score is good for two years.1
Exam fee
$631

Retake rules: check with Maryland Home Improvement Commission (MHIC).

Journeyman and master exams in Maryland

Electrician

Who gives it
PSI Exams2
Hours and license steps

Plumber

Who gives it
PSI Examination Services3
Hours and license steps

HVAC

Who gives it
PSI Examination Services4
Hours and license steps

How do you book the exam?

Apply to the MHIC first. The board approves your application, then tells you how to schedule with the testing company (PSI). Maryland Home Improvement Commission (MHIC)

Sources

  1. Maryland Home Improvement Commission (MHIC): exam (labor.maryland.gov, 2026-10-27)
  2. Maryland electrician license: exam (labor.maryland.gov, 2026-10-27)
  3. Maryland plumber license: exam (labor.maryland.gov, 2026-10-27)
  4. Maryland HVAC license: exam (labor.maryland.gov, 2026-10-27)