Licensing & Trades — Black Diamond, Washington
Contact information for trade licensing boards serving Black Diamond.
Licensing Boards
| Trade | Board | Phone |
|---|---|---|
| Contractors | Washington State Department of Labor and Industries, Contrac | 360-902-5226 |
| Plumbing | Washington State Department of Labor and Industries, Plumbin | 360-902-5269 |
| Electrical | Washington State Department of Labor and Industries, Electri | 360-902-5269 |
| Hvac | Washington State Department of Labor and Industries, Contrac | 360-902-5226 |
| Engineers | Washington State Board of Registration for Professional Engi | 360-664-1575 |
| Home Inspectors | Washington State Department of Licensing, Home Inspector Lic | 360-664-1600 |
| Real Estate | Washington State Department of Licensing, Real Estate Commis | 360-664-6526 |
| Sewer Water | Washington State Department of Health, Waterworks Operator C | 360-236-3100 |
| Water Conditioning | Washington State Department of Health, Waterworks Operator C | 360-236-3100 |
Local Contacts
| Contact | Details |
|---|---|
| City Hall | N/A — N/A |
| Municipal Code | https://library.municode.com/wa/black_diamond |
Sources: databases/licensing/licensing_boards.json — 2026-04-11; Municode/eCode360 directory scrape — matched by state + place FIPS.
Local Trade Guides
Detailed licensing and permit guides for each trade in this area: