Agency (Voting): Open to any Washington city, town, county, state, or regional authority or a board, commission, or consortium recognized by a government authority, or their representative which is engaged in the regulation, administration, or planning of cable and/or telecommunications systems. There shall be no more than one agency membership for any Washington State jurisdiction. Agency memberships include two voting members. Additional nonvoting memberships may be purchased at below rate.
| Membership Type | Base Dues | Additional Memberships |
| AGENCY with 5,000 or fewer cable TV subscribers | $50 | $25 each |
| AGENCY with greater than 5,000 cable TV subscribers | $100 | $50 each |
Associate (Nonvoting): Open to any individual, business or agency involved in the planning, development, programming, or research of cable and other telecommunication systems who does not qualify for agency membership. This category shall include individuals employed or affiliated with telecommunications companies or media access organizations, including Internet service providers and E-commerce agencies. Associate Memberships include two nonvoting members. Additional nonvoting memberships may be purchased at below rate.
Student (Nonvoting): Open to any student.Individual (Nonvoting): Open to any individual.
Life: An individual approved for Life Membership status by the voting membership at a general meeting, per WATOA Bylaws Article 4.
Honorary: The WATOA Board of Directors shall have the authority to extend a one-year Honorary Membership to individuals for special contributions to furthering the goals of WATOA.
| Membership Type | Base Dues | Additional Memberships |
| Associate | $175 | $75 each |
| Student | $20 | n/a |
| Individual | $50 | n/a |
| Life | n/a | |
| Honorary | $0 | n/a |