Go straight to the worksheet
Formation Math LLC service costs, worked out step by step.

Registered agent worksheets · Washington

2 Best Registered Agents in Washington (2026): Worked Prices

Washington, 2026, registered agents: the ranking by value reads Mainstay Filing ($149/yr) and WA Registered Agent.org ($99/yr). One year: $99 to $149. Three years: $297 to $447.
Worked by the Formation Math editorial team

↓ Sorted by: Cost first (42%), items covered second (28%), three smaller checks after. See the working

Washington: the numbers worked

Does the law require one? Yes app.leg.wa.gov (checked October 2026) as the source
First-year results $99 to $149 A single year of service
Three-year results $297 to $447 Year one plus two more years
Annual report $70 a year sos.wa.gov (checked October 2026) as the source
Where rows cross Does not occur No row ever passes another

The Washington rows

Ranked by score; every price comes from a company page. State fees stay the same whoever the agent is.

1
Row one

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

$149 yearly; the renewal price is $149
Year-1 price $149
Renewal price $149/yr
Sum of 3 years $447

Row one is Mainstay Filing. The math: $149 a year here and exactly $149 in any other state.

WA Registered Agent.org totals $150 less over three years, but the 28% coverage term favors this row.

The price buys

  • The registered office, on record
  • Three government mailings per year, scanned for free
  • Works for LLCs, corporations, LPs, LLPs and nonprofits

Adds up

  • $149 yearly with no increase
  • Works in every state

Does not add up

  • Costs $50 more annually
  • Does not file the yearly report
2
Built for Washington

2. WA Registered Agent.org: best for owners who watch each dollar

$99 yearly; the renewal price is $99
Year-1 price $99
Renewal price $99/yr
Sum of 3 years $297

WA Registered Agent.org is row 2: $99 yearly, including an in-state street address on file.

The price buys

  • An in-state office address
  • Served papers scanned into your account

Adds up

  • Less per year than Mainstay Filing
  • Year 1 $99, year 2 $99

Does not add up

  • A one-state service
  • Annual report stays on your list

What each row adds up to

No. Provider Year 1 total Total at year 2 Total at year 3 Total at year 5
1 Mainstay Filing $149 $298 $447 $745 Visit Mainstay Filing Partner link. We may earn money if you buy.
2 WA Registered Agent.org $99 $198 $297 $495 Visit WA Registered Agent.org Partner link. We may earn money if you buy.

Year one plus renewals, from the prices read on November 13, 2026. The totals keep one order for ten years.

Worksheet calculator

The calculator adds year one and the renewals for every row once you choose the years.

Adding up 3 years: Mainstay Filing $447, WA Registered Agent.org $297. Lowest total at that point: WA Registered Agent.org.

State fees with citations

Term Value Where it comes from
LLC formation filing $200 sos.wa.gov (checked October 2026) as the source
Annual report $70 every year sos.wa.gov (checked October 2026) as the source
Penalty if the report is late $25 sos.wa.gov (checked October 2026) as the source
What the state collects by year 3 $340 Calculated from the rows above

State total = filing fee + reports in years 2 and 3 + any minimum tax. Items without a fixed amount are left out of the addition.

Notes on the order

Mainstay Filing scored above WA Registered Agent.org on items covered per dollar, a 28% term.

Coverage lifted it above WA Registered Agent.org.

Washington registered agent rules, from the source (Washington Secretary of State)

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

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. Statute on point: RCW 23.95.415.

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

Official wording: app.leg.wa.gov (checked October 2026) as the source

If you skip the service

Acting as your own registered agent adds nothing if you qualify. Every row above bills $99 to $149 a year for the in-state address.

Washington price questions, answered

What does a registered agent in Washington cost per year?

$99 to $149 a year across our rows.

What do three years of agent service cost?

$297 to $447 in service fees, with state fees on top.

Does Washington require a registered agent for an LLC?

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

Can the owner be the registered agent?

You can, so long as you meet both the address and eligibility rules.

What does the state collect from the LLC each year?

Expect $70 every year when the annual report is filed (last day of the entity's anniversary month).

In what year does one service pass another in total cost?

Not within ten years; no row passes another.

Which registered agent is best value in Washington?

Mainstay Filing scores first. WA Registered Agent.org follow.

See also

Registered agent worksheets, all 50 states Best registered agents overall The method

Inputs and sources

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