Dept of Revenue (DOR)
Doing business in Washington - filing and paying taxes, tax rates, etc.
DOR, Business Licensing Service
Master Business License application form, search for business trade names, and other resources.
Dept of Labor & Industries (L&I)
Running a business in Washington - workers' rights, workers compensation insurance, trades and licensing, etc.
Property Information Center
Check for location of property in City or other jurisdiction.
SCORE (Vancouver chapter)
Free business advice from experienced professionals. Service Corps of Retired Executives (SCORE), is a nonprofit association that provides entrepreneurs and small businesses with face-to-face and e-mail business counseling.