Plumber License �� NYC311

The City issues tests for plumbers and licenses master plumbers. If you have qualified on the Department of Citywide Administrative Services plumbing examination, you are eligible to apply for a master plumber license from the Department of Buildings (DOB).

You must submit any new application, renewal, or reissuance online through DOB NOW: Licensing.

Online

By Phone

Call 311 or 212-NEW-YORK (212-639-9675) for help.

Starting on June 3, 2024, all existing and new DOB NOW users are required to have an NYC.ID account.

Users will complete a one-time process of creating an NYC.ID account
An NYC.ID account is required to access DOB NOW:
- Build
- Safety
- BIS Options
- Licensing
DOB NOW: Inspections and eFiling account registration is not changing and will not require an NYC.ID account

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