For Setting Up a Business

For a Business License in WA:  
State of Washington:  Business Licensing Service.  Phone:  1-800-451-7985.

To create or renew and LLC (optional):  
Corporations Home Page, Office of the Secretary of State (Washington)
> > If you're creating an LLC, be sure to do this first, before you get the state license.

For a Business License in Seattle:
City of Seattle.  Phone:  206-684-8484

To search the US Trademarks Database:
Trademark Electronic Search System

To set up a New Business account with King County:
Go to "Personal Property" page (yes, it is for business)

To see if you need to pay quarterly taxes the first year:
Read about Estimated Taxes on

Tax Season Reporting and Tasks

1.  Order 1099-MISC forms - December
Free from

2. Renew City of Seattle Business License - December 31
$110 or $55, go to the SELF Portal

3.  Estimated Quarterly Tax Payment to the IRS - January 17
Click here for information on the site

4. Report to Washington State Department of Revenue (DOR) - January 31
Possibly pay B&O Tax, possibly send in Sales or Use Tax, go to

5. Federal Taxes - April 15
Information about self-employed folks + IRS,
Link to see the Schedule C

6.  Report to King County - April 30
Free if your tools + equipment are less than $7500, email King County Personal Property to report No Change
OR, click here for eListing services


For W-9 forms
Free, click here for the pdf download from

Renew LLC with the Washington BLS - due on the anniversary month
$70, click here to go to renewal page