District of Columbia — plumbing code & licensing
Verified
The code
| Code family | IPC |
| Edition in force | 2015 (2017 District of Columbia Plumbing Code) |
| Effective date | 2020-05-29 |
| Adopted by | Construction Codes Coordinating Board (2017 DC Construction Codes; Plumbing Code Supplement at 12 DCMR F) |
| Adoption source | https://dob.dc.gov/sites/default/files/dc/sites/dob/publication/attachments/DOB%20APR%20Checklist%201.5.24%20FINAL%20.pdf |
| State amendments | Amendments are inside the adoption instrument; no separate document |
Licensing
| Model | state individual (district) |
| Authority | Board of Industrial Trades, Dept. of Licensing and Consumer Protection (DLCP) |
| Licensing source | https://dlcp.dc.gov/page/board-industrial-trades1 |
| License classes | https://dlcp.dc.gov/page/board-industrial-trades1 |
Permits & inspections
Not yet recorded.
How this record was verified
| Adoption | Verified |
| Amendments | Verified |
| Licensing | Verified |
| Permits & inspections | Not yet verified |
Working notes
The 2017 District of Columbia Plumbing Code consists of the 2015 edition of the International Plumbing Code as amended by the District of Columbia Construction Codes Supplement of 2017 (12 DCMR F). The 2017 DC Construction Codes took effect May 29, 2020, superseding the 2013 codes (2012 IPC + 2013 supplement, 61 DCR 3169). The Dept. of Buildings plan-review checklist (dob.dc.gov) lists 2017 DCMR 12F DC Plumbing Code among the governing codes. Licensing read firsthand on the DLCP Board of Industrial Trades page: Plumbers/Gasfitters classes are Apprentice, Journeyman, Master, and Contractor, with trade permits tied to licensed masters.
Reference only. Compiled from the cited official sources as of the date shown; adoptions and rules change. Confirm with the authority having jurisdiction before designing or permitting work.