WA State Licensing: Registered professional design firm

Architect Firm

An Architect Firm endorsement is required for any business practicing or offering to practice architectural services in Washington.

An Architect Firm is required to have at least one Designated Architect. The Designated Architect:

  • Is responsible for all final architectural decisions on behalf of the firm with respect to work performed by the firm in Washington State.
  • Must hold a position of responsibility within the business structure.
  • Must be registered to practice in Washington State.
  • Must be a partner if partnership or limited liability partnership, manager if limited liability company, director if corporation or professional service corporation, or a controlling principal of other business structures.

Post your license

A license must be posted at each location where the licensee operates. You may not begin this business activity until you receive a Business License listing the required endorsement.

How to apply

Apply by using one of the following options:

  • File online with My DOR. My DOR works best with Mozilla Firefox or Google Chrome.
    1. Login using your Secure Access Washington (SAW) user ID. If you don't have a user ID or aren't sure, see if you have an account first before signing up.
    2. Click Get Started on the Business Licensing and Tax service.
    3. Follow the steps below based on your business status.
  • If you do not have an existing business

      1. Click File New Business License Application. Be sure to select the endorsements for which you wish to apply.

    If you have an existing business

      1. If you haven't already, add access to your business. You'll need a UBI number and a letter ID.
      2. Click on the business you want to apply for a license/endorsement under, then click on the location.
      3. Click File New Business License Application.

    You can pay using an E-check or a major credit card (gift cards can't be used).

    Find more help for using My DOR, including video tutorials.

  • By mail
    1. Complete the following:
    2.  Mail your completed application with a check or money order payable to “Department of Revenue” for the fees to:

      State of Washington
      Business Licensing Service
      PO Box 9034
      Olympia, WA 98507-9034


Specialty endorsement Fee
Architect Firm $278
Architect Surcharge $6.50
Other fees that may apply Fee
Registering your business name as a trade name $5
Business License Application $19 (non-refundable)

Regulatory questions

Department of Licensing
Washington State Board for Architects
Phone: 360-664-1388