District of Columbia Plumber License Requirements
What the state board actually requires: fees, renewal cycle, and requirements from official records.
Installs and repairs pipes and plumbing systems. Requires apprenticeship.
What the District of Columbia data shows for Plumbers
District of Columbia sets the entry bar for plumbers at 6,292 training hours and a passing score on State Journeyman Plumber Exam, with 4 years of supervised work experience expected. A background check is a standard part of the process, and applicants must be 18 or older. The credential is administered under District of Columbia's licensing regime, which classifies the training track as "Apprenticeship Program".
The initial price tag is $185, and renewal costs $156 every 1 years. Renewal isn't the end of the cost: 8 hours of continuing education are due every 1-year cycle, a recurring time commitment worth planning for.
Reciprocity for this profession works like this: Journeyman licenses rarely reciprocal — check state board.
Licensing Ease Score
A higher score means this specific license is LESS burdensome to obtain and maintain here than the national requirement corpus, based on education hours, fees, continuing education, and experience requirements, not an overall judgment of the profession or the state.
Licensing Requirements in District of Columbia
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Frequently Asked Questions
What license do I need for Plumber in District of Columbia? ▼
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Related Guides
What to do with this plumber license
Plumber in District of Columbia, with a documented reciprocity path, is one requirement row in a plumber-wide, 50-state comparison.
- See how District of Columbia's plumber requirements compare to every other state before relocating. Plumber in every state
- Confirm whether your out-of-state plumber license transfers under an interstate compact before starting a new application. Reciprocity guide
- See how District of Columbia's overall licensing burden compares to other states, not just this one profession. District of Columbia overview
Requirements shown are compiled from NCSL and Institute for Justice research; verify current rules with the District of Columbia licensing board before making career decisions.
Source: NCSL Occupational Licensing Database, Institute for Justice License to Work (3rd Ed.), state licensing board websites
According to the National Conference of State Legislatures and the Institute for Justice, the PlainCredential comparison corpus (current as of May 15, 2026) maps 4,947 state licensing requirement records; see the methodology.
Read our methodology - how this data is sourced, computed, and verified.