Washington State Department of Commerce Washington State Department of Commerce Search | Advanced Search | New Members | Coupons and Discounts | All Categories Government & Education >> Government >> Government Agencies Washington State Department of Commerce 2001 6th Ave, Ste 2600Seattle, WA 98121 | View on Google Maps (360) 725-4000 Visit Site Connect With Us Strengthening Communities and Growing Washington’s Economy Member Since: 2007 Send a message to: Washington State Department of Commerce Your Name: Your Email: Subject: Message: (Date: 2/1/2025)