Washington Partnership Compliance Guide
Everything you need to legally form and operate a Partnership in Washington. Filing fees, tax forms, ongoing requirements, and the trade-offs of this structure.
Is a Partnership Right for You?
Businesses with multiple owners not incorporating. Real estate ventures, professional practices.
General partners have unlimited liability. Requires a partnership agreement to avoid default state rules. More complex than sole prop.
Tax treatment
Pass-through. Files Form 1065 informational return; income flows to partners' K-1 forms.
| Item | Washington Requirement |
|---|---|
| Formal state filing required | No formal state filing required at the entity level. |
| Federal tax form filed | Form 1065 (informational) |
| Employer Identification Number (EIN) | Required — apply free at irs.gov (5 minutes online) |
| Registered agent required | No |
| State income tax | Washington has no individual income tax. |
Filing Sequence in Washington
- 1
Get an EIN from the IRS
Free at irs.gov. Takes ~5 minutes online. Required for all business banking, payroll, and tax filings.
- 2
Register for state taxes
Register for sales tax if selling taxable goods/services in Washington.
- 3
Open a business bank account
Separate business finances from personal. Bank will require EIN, formation docs (for entities), and often an operating agreement.
Compare Other Structures in Washington
Not legal or tax advice.
State filing requirements change. Verify fees and deadlines with the WashingtonSecretary of State and Department of Revenue before filing. Structure choice has tax and liability implications — consult a licensed CPA or attorney for your specific situation.