How to Get a Registered Agent in Washington (2026): 6 Steps and the 2 Best Agents
WA Registered Agent.org ($99 a year) and Mainstay Filing ($149 a year) are our 2026 picks, in that order, for a registered agent in Washington. Then come 6 steps, one rule at a time.
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.
Step3
Step 3: Get the address right
The address has to be a physical street address in Washington. P.O. boxes and private mailboxes are not accepted.
TipUsing a service keeps your own address off the public record.
Step4
Step 4: Decide who takes the role
Our picks cost $99 to $149 a year. The other choice is to serve yourself, if the rules allow it.
Step5
Step 5: Get the agent on file
A new LLC lists its agent in the Certificate of Formation - Limited Liability Company. Switching agents later is a separate change filing with the Washington Secretary of State.
Official source: Official: sos.wa.gov, October 2026
Step6
Step 6: Look after it each year
Each year, the annual report confirms your details for $70, by last day of the entity's anniversary month. Late filings cost $25.
Official source: Official: sos.wa.gov, October 2026
The cost of this lesson
Step
Paid to
Amount
A professional agent
The service
$99 to $149 a year
Agent renewal
The service
$99 to $149 a year
Annual report
State
$70 every year
The state rows are official figures; the service row uses each company's published price. The three-year total leaves service fees out.
How we ranked the Washington picks
Lesson note: first place in Washington came down to three-year cost, worth 30% of the grade.
The three-year bill with WA Registered Agent.org is $297, and the gap to Mainstay Filing is $150.
Quick answers
Do I need a registered agent in Washington?
Yes. Every LLC must name a registered agent with an in-state street address.
Can I be my own registered agent?
You can, as long as you qualify under steps 2 and 3.
Can I change my registered agent later?
You can switch at any time by filing the change with the Washington Secretary of State.
What does a registered agent cost in Washington?
Our picks charge $99 to $149 a year.
What does the LLC pay the state each year?
The annual report, $70 every year.
Which registered agent would you choose?
We'd go with WA Registered Agent.org, because a Washington street address for the registered office at $99 a year. Then Mainstay Filing.