Plumbing license requirements in District of Columbia
The DC Board of Industrial Trades (DLCP) issues plumbing licenses in District of Columbia. Here's what each license level takes, from the official rules.
License levels
In order, from the first license to the top one.
- 1
Journeyman Plumber
At least 8,000 hours over at least four years as an apprentice, or a mechanical engineering degree plus two years of experience verified by a master plumber.
Official source - 2
Master Plumber/Gasfitter
A journeyman license, plus at least four years working as a journeyman.
Official source
Rules, fees and exam schedules change. Confirm the details with the DC Board of Industrial Trades (DLCP) before you apply.
Plumbers in District of Columbia
From the Bureau of Labor Statistics. See a city for local wages and contractor counts.
- Plumbers employed
- 1,010
- Median hourly wage
- $48.57
Plumbing market data by city
Once you're licensed
Tradesman runs the business side for plumbers: estimates, scheduling, invoicing and payments in one app.
Plumbing licensing in District of Columbia: common questions
Who issues plumbing licenses in District of Columbia?
The DC Board of Industrial Trades (DLCP). The license levels and what each takes are listed above, with a link to the official source for each.
What does the Master Plumber/Gasfitter license take in District of Columbia?
A journeyman license, plus at least four years working as a journeyman.
What's the first plumbing license in District of Columbia?
The Journeyman Plumber. At least 8,000 hours over at least four years as an apprentice, or a mechanical engineering degree plus two years of experience verified by a master plumber.
Licensed and ready for more customers?
Tradesman handles estimates, scheduling and invoicing so you can spend your time on the work. Now in early access.