Washington Registered Agent Guide (2026): Rules, Fees and the 2 Best Agents
For registered agent service in Washington (2026), the order we'd use is WA Registered Agent.org ($99 a year) and Mainstay Filing ($149 a year). Every Washington LLC must keep a registered agent on file. The state's own yearly fees come to $70, 33rd of 50.
Every LLC must name a registered agent with an in-state street address. The address has to be a physical street address in Washington. P.O. boxes and private mailboxes are not accepted.
Who can be the agent: A commercial registered agent listed with the Secretary of State, a noncommercial agent (any person or business with a Washington address), or the holder of a named position in the company. The agent consents in advance. See RCW 23.95.415.
The recurring state side
Recurring filing: the annual report, $70 every year, deadline last day of the entity's anniversary month. $25 if late.
The reasoning
Deciding factor in Washington: service fees over three years (35%). WA Registered Agent.org beat Mainstay Filing on it.
WA Registered Agent.org's three-year service fees: $297 ($150 under Mainstay Filing).
Washington: questions
Does Washington require a registered agent?
Yes. Every LLC must name a registered agent with an in-state street address.
Who can serve as the registered agent?
A commercial registered agent listed with the Secretary of State, a noncommercial agent (any person or business with a Washington address), or the holder of a named position in the company. The agent consents in advance.
How much does a registered agent cost in Washington?
From $99 to $149 a year on this page.
What does the LLC pay the state each year?
$70 a year on our measure: the annual report ($70 every year).
Which registered agents are on this page?
WA Registered Agent.org ($99 a year) and Mainstay Filing ($149 a year), in our order.
Which registered agent would you pick?
Our order is WA Registered Agent.org and Mainstay Filing. For WA Registered Agent.org: $99 a year, the same at renewal, for a company that operates in one state.