Plumber license in District of Columbia

Application requirements

Working as a plumber in District of Columbia typically requires submitting an application packet to the DC Board of Industrial Trades — Plumber — including proof of experience, exam scores, and insurance.

• Proof of relevant trade experience or apprenticeship hours
• Passing score on the state trade exam(s)
• General liability insurance + workers' comp
• Surety bond filed with the board (when required)
• Business entity registration with the Secretary of State
• Background check + license fee submitted with packet

This is the standard packet most U.S. state boards require. Verify the exact list with the DC Board of Industrial Trades — Plumber before applying — requirements change by trade classification.

Fees and renewal cycle

Total cost to become a licensed plumber in District of Columbia ranges from $240 to $11,000 (typical $1,800). The range covers application + exam fees, bond + insurance premiums, and the first year of business registration.

Most state boards renew on a 1-3 year cycle and require continuing education credits. Verify the exact renewal window and CE requirement with the DC Board of Industrial Trades — Plumber — late renewal typically triggers a reinstatement fee.

Reciprocity with neighboring states

District of Columbia borders 2 other launched states ProFix Directory tracks. Reciprocity is set by each state board individually — check the destination state for the current rule before relying on it.

• Plumber license in Maryland →
• Plumber license in Virginia →

Where to apply

Why ProFix verifies every plumber

Every pro we list in District of Columbia is matched against the DC Board of Industrial Trades — Plumber record, the Secretary of State business registry, and OSHA inspection data. We surface license status, revocation history, and bond filings on every profile so homeowners can shortlist verified pros without trusting a single review-platform score.

See the full verification methodology →

Common questions

Do I need a plumber license in District of Columbia?

District of Columbia requires plumber contractors to hold a District of Columbia Plumber license from the DC Board of Industrial Trades — Plumber. Apply through https://dlcp.dc.gov/page/board-industrial-trades1 with a typical $1,800 total fee (range $240-$11,000) and a 1-3 year renewal cycle. Verify the exact classification with the board before submitting.

Which board handles plumber licensing in District of Columbia?

DC Board of Industrial Trades — Plumber is the relevant authority shown in the District of Columbia licensing seed for this page. The verification or application URL in the loader is https://dlcp.dc.gov/page/board-industrial-trades1.

How much does a plumber license cost in District of Columbia?

The recorded licensing cost range is $240-$11,000, with a typical total around $1,800. That range comes from the page loader and covers application, exam, bond, insurance, or registration costs where they apply.

What requirements should District of Columbia plumber applicants verify?

The District of Columbia requires home improvement contractors to be licensed through DLCP (Department of Licensing and Consumer Protection). General contractors, electricians, plumbers, and HVAC contractors are licensed through the DC Board of Industrial Trades.

Are DC plumbers licensed?

Yes. The DC Board of Industrial Trades licenses Master Plumbers, Journey Plumbers, and Apprentices.