Plan for Portland, OR

Portland Business Filing Deadlines & Ongoing Requirements

What a business in Portland keeps doing after it opens: recurring filings, renewals and the events that trigger new obligations. Change the business details to fit yours.

Your businessThe plan below updates as you change these.
Details

Where Portland, OR filings and renewals are tracked

City of PortlandHas its own business licenses, taxes or permits (listed below).
Multnomah CountyHas its own business licenses, taxes or permits (listed below). Checked 2026-10-16.
Local items to renew or file
  • File Portland and Multnomah County business income taxes · City of Portland Revenue Division (city)
  • File Multnomah County business personal property return · Multnomah County Assessor (county)
  • File the TriMet transit payroll tax with the Oregon Quarterly Tax Report · Oregon Department of Revenue (county)
  • Withhold the Metro Supportive Housing Services income tax for high earners · Metro / City of Portland Revenue Division (county)
  • Withhold the Multnomah County Preschool for All tax from high earners · Multnomah County / City of Portland Revenue Division (county)
File and renew with these Oregon agencies

Renewals, filing triggers and recurring deadlines in Portland

17 items in your plan repeat on a schedule. Each one lists its authority and when it comes due.

Recurring filings and renewals

  • File federal income tax return: Form 1040 with Schedule C · every year · April 15 · IRS
  • Deposit federal payroll taxes · every month · 15th day of the following month · IRS
  • File Form 941 (Employer's Quarterly Federal Tax Return) · every quarter · April 30, July 31, October 31, January 31 · IRS
  • File Form 940 (Federal Unemployment Tax) · every year · January 31 · IRS
  • Issue Forms W-2 and file W-3 · every year · January 31 · IRS / SSA
  • File Annual Report (Oregon) · every year · On the anniversary of formation · Oregon Secretary of State, Corporation Division
  • Register for and file Oregon entity-level taxes · every year · Oregon Department of Revenue
  • File wage reports and pay unemployment insurance contributions (Oregon) · every quarter · Oregon Employment Department
  • Paid Leave Oregon contributions · every quarter · Oregon Employment Department
  • File the annual unclaimed property holder report (Oregon) · every year · November 1 · Oregon unclaimed property program
  • Obtain food service establishment / health permit · every year · Multnomah County health department (Oregon)
  • City business license and local business income taxes — Portland, Multnomah County, Oregon · every year · City (e.g., Portland Revenue Division): Portland / Multnomah County
  • File Portland and Multnomah County business income taxes · every year · City of Portland Revenue Division
  • File Multnomah County business personal property return · every year · March 15 · Multnomah County Assessor
  • File the TriMet transit payroll tax with the Oregon Quarterly Tax Report · every quarter · January 31, April 30, July 31 and October 31 · Oregon Department of Revenue
  • Withhold the Metro Supportive Housing Services income tax for high earners · every quarter · Metro / City of Portland Revenue Division
  • Withhold the Multnomah County Preschool for All tax from high earners · every quarter · Multnomah County / City of Portland Revenue Division

Filings triggered by an event

  • Complete Form I-9 for each new hire: applies when Business has employees
  • Report new hires to the Oregon new hire directory: applies when 3 employees in Oregon
Start planObligations (31)
Find an obligationShowing 31 of 31 obligations

Federal

8

State

15

County

5

City

3

Common questions about Portland

The state licenses your industry through its own regulator, and the city and county add local permits. These are the authorities and local items on record for Portland:

  • Contractor licensing: Oregon Construction Contractors Board
  • Real estate licensing: Oregon Real Estate Agency
  • Alcohol licensing: Oregon Liquor and Cannabis Commission
  • Child care licensing: Oregon Department of Early Learning and Care
  • Health facility licensing: Oregon Health Authority
  • File Portland and Multnomah County business income taxes (City of Portland Revenue Division, city)
  • File Multnomah County business personal property return (Multnomah County Assessor, county)
  • File the TriMet transit payroll tax with the Oregon Quarterly Tax Report (Oregon Department of Revenue, county)
  • Withhold the Metro Supportive Housing Services income tax for high earners (Metro / City of Portland Revenue Division, county)
  • Withhold the Multnomah County Preschool for All tax from high earners (Multnomah County / City of Portland Revenue Division, county)

With your current selections, the licenses and permits are: Obtain food service establishment / health permit; Ensure certified food protection manager on staff; City business license and local business income taxes — Portland, Multnomah County, Oregon; Obtain certificate of occupancy for premises in Portland. Change the industry above to see yours.

Sources: sos.oregon.gov, oregon.gov, oregon.gov

In your plan for Portland, requirements come from four levels. Oregon sets formation, state taxes and employer rules; the city and county add local licenses and taxes.

  • Federal (8): Obtain an Employer Identification Number (EIN); File federal income tax return: Form 1040 with Schedule C; Deposit federal payroll taxes; File Form 941 (Employer's Quarterly Federal Tax Return)…
  • State (15): Maintain a registered agent in Oregon; File Annual Report (Oregon); Register for and file Oregon entity-level taxes; None (Oregon)…
  • County (5): Obtain food service establishment / health permit; File Multnomah County business personal property return; File the TriMet transit payroll tax with the Oregon Quarterly Tax Report; Withhold the Metro Supportive Housing Services income tax for high earners; Withhold the Multnomah County Preschool for All tax from high earners
  • City (3): City business license and local business income taxes — Portland, Multnomah County, Oregon; Obtain certificate of occupancy for premises in Portland; File Portland and Multnomah County business income taxes

Sources: sos.oregon.gov, oregon.gov

  • Register for unemployment insurance with Oregon Employment Department.
  • Workers' compensation: Oregon Workers' Compensation Division. Required when: 1 employee
  • Paid Leave Oregon contributions: applies from 1 employee.
  • Register to withhold Oregon income tax from wages.
  • Your plan adds these employer steps: Report new hires to the Oregon new hire directory; Carry workers' compensation insurance (Oregon); Display required federal labor law posters; Complete Form I-9 for each new hire; Display required Oregon workplace notices.

Sources: oregon.gov, oregon.gov, oregon.gov

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