Skip to content
LLC PlainlyThe LLC stuff, in words you actually use.

No jargon · Washington

2 Best Registered Agents in Washington (2026): Our Honest Take

If you need registered agents in Washington in 2026, we'd go with Mainstay Filing ($149 a year) and WA Registered Agent.org ($99 a year), in that order. Budget $99 to $149 for the first year and $297 to $447 for three.
From the LLC Plainly editorial team

The gist

Must you name one?
Yes, it's required
Name in the statute
Registered agent
Typical price
$99 to $149 every year
Our picks
Mainstay Filing then WA Registered Agent.org

Who we'd use in Washington

Ranked best first using the checks on our method page.
Start here

1. Mainstay Filing: best for one price in every state

$149 yearly, renewing at $149

Why Mainstay Filing? Honestly, its price doesn't change by state: $149 a year, $149 at renewal.

Going with WA Registered Agent.org saves $150 over three years, but only a Washington company can use it.

Your money buys

  • A street address in the state
  • We scan up to three government mailings a year at no charge
  • Works for LLCs, corporations, LPs, LLPs and nonprofits too

The good

  • The same price in all fifty states
  • Locked at $149 a year

Trade-offs

  • WA Registered Agent.org is $50 cheaper each year
  • You still handle the yearly report
Local to Washington

2. WA Registered Agent.org: best for keeping three-year cost low

$99 yearly, renewing at $99

Why WA Registered Agent.org second? Honestly, one state, $99 a year, and then $99.

Your money buys

  • Your registered office address
  • Online copies of any legal papers

The good

  • Just $99 a year
  • A smaller yearly bill than Mainstay Filing

Trade-offs

  • A second state means a second agent
  • You'd still be handling the annual report

The numbers side by side

#WhoFirst yearRenews at3 yearsCovers
1Mainstay Filing$149$149/yr$447A street address in the state; we scan up to three government mailings a year at no charge; Works for LLCs, corporations, LPs, LLPs and nonprofits tooSee what Mainstay Filing offersPartner link. We may earn money if you buy.
2WA Registered Agent.org$99$99/yr$297your registered office address; online copies of any legal papersSee what WA Registered Agent.org offersPartner link. We may earn money if you buy.
Each company's listed prices on November 13, 2026. State fees come on top and don't change by pick.

The questions, one by one

Could I skip naming a registered agent?

Every LLC must name a registered agent with an in-state street address.

Cited law: RCW 23.95.415. check it at app.leg.wa.gov, October 2026

What does the state require of an 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.

An owner who meets the rule may be the agent with no charge from the state.

What does an agent cost?

Our picks charge $99 to $149 a year, and three years cost $297 to $447.

State fees don't move with your choice of agent.

What's the agent's role?

When a lawsuit or state letter reaches your LLC in Washington, the agent is who receives it.

Service is only as good as the forwarding, so ask how documents reach you. A closer look at service of process

What's due each year apart from the agent?

Mostly the annual report, once a year, at $70. The state's due date: last day of the entity's anniversary month. Jot that down early.

check it at sos.wa.gov, October 2026

What put number one on top?

It's work taken off your hands (31% of the score), and Mainstay Filing does best there.

Together, cost across three years and work taken off your hands make up 64% of the score.

Where a service can be used counts with us, and one pick can be used anywhere.

Our method, in full

Washington: the rules, cited

ItemThe answerOfficial source
What you pay to file$200check it at sos.wa.gov, October 2026
Registered agentYes, it's requiredcheck it at app.leg.wa.gov, October 2026
Annual report$70 every yearcheck it at sos.wa.gov, October 2026
State fees, years one to three$340Added from the rows
Each figure above links to the state's official page. The final line is our addition of the filing, two reports and any minimum tax, and it leaves out variable costs.

A few more

Do I have to pay for an agent?

You can once you meet the rule on who can serve and where.

Where does the agent have to be located?

The address has to be a physical street address in Washington. P.O. boxes and private mailboxes are not accepted.

After three years, what have I paid?

Three-year totals are Mainstay Filing, $447; WA Registered Agent.org, $297

Where did you get these numbers?

Official Washington sources on the state side and company pricing on the service side, all dated.

Does the state make me use a service?

You can skip it. The state's fee is the same whichever way you file.

Who would you go with in Washington?

Mainstay Filing comes first: one account at $149 a year works in whichever state you register in. Then come WA Registered Agent.org.

Official sources and price pages

  1. Washington Secretary of State, Corporations, ccfs.sos.wa.gov (confirmed August 2026)
  2. Washington Secretary of State, Corporations, sos.wa.gov (confirmed August 2026)
  3. Washington yearly filing: Annual report, sos.wa.gov (confirmed October 2026)
  4. Washington report due date, app.leg.wa.gov (confirmed August 2026)
  5. Washington formation fee: Filing fee, sos.wa.gov (confirmed October 2026)
  6. Washington formation fee: Filing fee, sos.wa.gov (confirmed October 2026)
  7. Washington registered agent statute, app.leg.wa.gov (confirmed October 2026)
  8. Mainstay Filing Washington service page, read November 13, 2026
  9. WA Registered Agent.org pricing page, read November 13, 2026