What Contractors Must be Registered?

The Washington State Department of Labor and Industries registers contractors in accordance with the provisions of Chapter 18.27 RCW.  

They register both general contractors and specialty contractors. According to L&I:

• A general contractor can perform or supervise numerous building trades or crafts
  
• A specialty contractor can perform one building trade or craft

L&I has published a list of specialty contractors to help contractors and public agencies determine when a contractor must be registered.  

You may view the list of specialty contractors on L&I's website by clicking here.