LegalCostCalculator
2026 Guide Seattle, WA King County

Legal Costs in Seattle, WA (2026)

Filing fees for LLCs, divorce, small claims, and notary services in Seattle — all sourced from official Washington state records.

$200
LLC filing fee
$364
Divorce fee (county)
$10,000
Small claims max
$15
Notary fee cap
LegalCostCalculator Editorial Team Data sourced from official government websites  ·  Last reviewed:

Seattle is a city in King County, Washington. Whether you're starting a business, filing a small claims case, or going through a divorce, the fees you pay are set at the Washington state level — not the city or county level — with limited exceptions for county-specific court fees. Forming an LLC costs $200 in state filing fees. Small claims cases can be filed for disputes up to $10,000 in the Small Claims Department. Divorce filing fees in Washington start at $314. All figures on this page are verified from official Washington government sources and updated for 2026.

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Where to File in Seattle

King County District Court – Small Claims
Address
516 3rd Ave, Seattle, WA 98104
Hours
Mon–Fri 8:30 AM – 4:30 PM

Always call ahead to verify hours and accepted payment methods before visiting. Hours may vary on holidays.

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Frequently Asked Questions

How much does it cost to form an LLC in Seattle, WA?
Forming an LLC in Seattle costs $200 for the Washington state filing fee. The annual report fee is $60/year. This is a statewide fee — the same amount regardless of which city you're in. Use a registered agent service for privacy and compliance.
Where is the small claims court in Seattle?
Small claims cases in Seattle are filed in the Small Claims Department serving King County. Contact the King County courthouse to confirm the address, hours, and accepted payment methods before you go. The maximum claim limit is $10,000 and the filing fee is $31–$50.
How much does a notary cost in Seattle?
In Seattle, notary fees are capped at $15 per notarial act. Typical in-person fees at UPS Store or FedEx are $10–$15 per signature. Many banks offer free notary service to account holders. For RON (remote online notarization), the cap is $25.
How do I file for divorce in Seattle?
To file for divorce in Seattle, file your petition at the King County courthouse. The divorce filing fee in King County is $364. You must meet Washington's residency requirement (typically 6+ months in the state). For uncontested divorces, online services can prepare all your paperwork.
What is the small claims limit in Seattle?
The small claims limit in Seattle is $10,000 — the maximum you can sue for in Small Claims Department in Washington. This limit applies throughout the state regardless of city. Filing fees are $31–$50. If your claim exceeds the limit, you can reduce it to qualify for small claims or file in a higher civil court.
Where do I file small claims in King County?
Small claims cases in King County are filed at the local courthouse in King County. The Washington small claims court (Small Claims Department) handles all monetary disputes up to $10,000. Filing fees are $31–$50. Contact the King County court clerk for the current address, hours, and filing procedures.

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