Washington DC Certification Exams

This page lists all 6 Washington DC exam prep packs on CertsArea. Exams here include Washington D.C. and Refrigeration Mechanical Unlimited, Washington D.C. Journeyman Master Electrician, Washington D.C. Journeyman Master Gas Pipe Fitter, Washington D.C. Journeyman Master Plumber, Washington D.C. Journeyman Master Plumber with Gas and Washington D.C. Master Refrigeration and Air Conditioning Mechanic Limited. Each product page has the exam overview and pack options.
Every pack comes as a PDF of practice questions with explanations. You can also pick the version with practice test software for Windows, Mac and mobile. Updates are free for 180 days, and the files download right after payment.
Exam outlines, fees and eligibility rules change, so check the official Washington DC website before you book. Use the practice questions to spot weak areas alongside the official study material, not instead of it. CertsArea is an independent prep provider and isn't affiliated with Washington DC.