Washington DC
License Exam Preparation

Licenses Not Offered

If you would like us to offer study materials for a license that is currently not offered, use this button:

Please note that if you are requesting an ICC local exam, we will need the 3 digit code.

Reciprocity

There is no reciprocity with any other jurisdiction.

Districtwide Classifications

	Electrical
220	Master Electrician
307	Journeyman Electrician
309	Low Voltage Electrician
337	Master Sign Electrician
338	Journeyman Sign Electrician
704	Maintenance Electrician
824	Residential Maintenance Electrician

	Plumbing
300	Master Gas Pipe Fitter
301	Journeyman Gas Pipe Fitter
302	Journeyman Plumber
303	Master Plumber
304	Master Plumber with Gas
310	Journeyman Plumber with Gas

	Mechanical
311	Master Air Conditioning and Refrigeration Mechanical Unlimited
312	Journeyman Air Conditioning and Refrigeration
313	First Class Stationary Boilers
314	Second Class Stationary Boilers
322	Master Refrigeration and Air Conditioning Mechanic Limited
323	Third Class Stationary Boilers
335	Sixth Class Stationary Boilers

Additional Notes
999	Numbered trade codes refer to ICC exam codes.

Districtwide Classifications