Event Planning Permit Requirements in Portland, OR

1. EIN (Employer Identification Number)

   Required if operating as a business entity (LLC or corporation) or if you have employees. Free from the IRS. You will need an EIN to open a business bank account and sign vendor contracts professionally.

   Official government source

   Free·Immediate (online application)

   Free

   Immediate (online application)

1. Oregon Business Registration

   Event planning businesses operating as an LLC, corporation, or partnership must register with the Oregon Secretary of State. Sole proprietors using a trade name must register an assumed business name with the Secretary of State ($50, renewed every two years); Oregon has no county-level DBA filing. An LLC provides personal liability protection, which is especially important when coordinating large events.

   Official government source

   $100 (LLC or corporation filing fee); $50 (assumed business name)·1–7 business days (online)

   $100 (LLC or corporation filing fee); $50 (assumed business name)

   1–7 business days (online)

1. City of Portland Business License Tax Registration (Revenue Division)

   Portland has no flat-fee general business license. All businesses operating in Portland - including sole proprietors and home-based businesses - must register for the City of Portland Business License Tax with the Revenue Division within 60 days of starting business. Registration is free. The tax is 2.6% of net business income with a $100 minimum, filed annually on a combined return with the Multnomah County Business Income Tax (2% of net income; gross receipts under $100,000 are exempt from the county tax). Businesses with gross receipts under $75,000 (tax years beginning in 2026; rising to $100,000 in 2027) are exempt from the city tax but must still register. The Metro Supportive Housing Services 1% business income tax applies only to businesses with gross receipts over $5 million.

   Official government source

   Free to register; no annual license fee. Tax: 2.6% of net income ($100 minimum) only if gross receipts exceed $75,000 (2026 threshold; $100,000 from 2027)·1–2 weeks

   Free to register; no annual license fee. Tax: 2.6% of net income ($100 minimum) only if gross receipts exceed $75,000 (2026 threshold; $100,000 from 2027)

   1–2 weeks

2. Portland Special Event Permit (for events in public spaces)

   When coordinating events that use Portland public parks, streets, plazas, or other public venues, a Special Event Permit is required from the city. As the event planner, you may be responsible for obtaining this permit on behalf of your client. Permit requirements typically include event details, expected attendance, proof of general liability insurance ($1M minimum), and sometimes a site plan or traffic management plan.

   Official government source

   $50–$500 depending on event size, venue, and city fee schedule·2–6 weeks (apply at least 30 days in advance for most events; 60+ days for large events)

   $50–$500 depending on event size, venue, and city fee schedule

   2–6 weeks (apply at least 30 days in advance for most events; 60+ days for large events)

3. Multnomah County Temporary Use / Special Event Permit (if applicable)

   Large events on private property or public land in unincorporated Multnomah County (outside city limits) may need land-use or event approval from Multnomah County - contact Multnomah County Land Use Planning (503-988-3043, [email protected]) to confirm whether your event site and size trigger a permit. Requirements typically include insurance, site plan, and sanitation provisions.

   Official government source

   Varies; verify with Multnomah County Land Use Planning·2–4 weeks

   Varies; verify with Multnomah County Land Use Planning

   2–4 weeks

Official Sources

• Portland Business Licensing
• Oregon Secretary of State — Business Registration
• IRS EIN Application

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