Complete guide to licensing, lien laws, and compliance for contractors in Washington.
Washington State Department of Labor & Industries
Visit Board Website →Preliminary Notice: Model Disclosure Statement required for residential; Notice to Owner within 60 days for commercial (subcontractors)
Filing Deadline: Within 90 days of last furnishing
Foreclosure Period: Within 8 months of filing lien
Sales Tax Rate: 6.5% state + local rates
Contractor Tax Notes: Retail sales tax applies to construction services
Download Washington-specific contractor documents:
Washington State Department of Labor & Industries
Tumwater, WA
Phone: (360) 902-5269
Corporations Division
Olympia, WA 98504
Phone: (360) 725-0377