Multnomah County, OR Payroll Tax Registration

Feb 17, 2026

If you are an employer in Multnomah County, Oregon, it is important to be aware of the local payroll tax requirements for businesses operating in the city. These requirements may include registering your business with the city and withholding a certain percentage of your employees' wages for local taxes.

How to Register for Payroll Tax in Multnomah County

Multnomah County, Oregon Local Personal Income Tax Setup for Corporation, LLC, LLP, Professional Corporation, PLLC

Employers with a physical location within Multnomah County must register to withhold the Preschool For All (PFA) Personal Income Tax if it has a physical location in the county and employees working in the county who meet any of the following criteria: (1) earn $200,000 or more per year individually; (2) earn at least $150,000 individually and choose to opt in to withholding; or (3) earn $200,000 jointly and opt in to withholding.

  1. Register Your Business

    Visit Portland Revenue Online (PRO), and click "Register My Business" to register your business for the PFA tax.

Documents and Resources

Accounts Logins

Multnomah County, OR Payroll Registration Agencies

Use Mosey to register for payroll accounts in Multnomah County.

Register for payroll taxes with the state of Oregon

More from the blog

Learn how to keep your business compliant in all 50 states across payroll, HR, Secretary of State, and tax.

What Is a 1065? A 2026 Partnership Return Guide

If you run a business partnership, you’ve probably asked yourself: what is a 1065? IRS Form 1065, U.S. Return of Partnership Income, is the cornerstone of federal tax reporting for partnerships. Unlike corporations that file and pay their own taxes, partnerships are “pass-through” entities. This means partnership income, losses, deductions, and credits flow through to individual partners and get reported on their personal income tax returns.

Paul Boynton | Nov 30, 2025

What Is FUTA? How to Comply With the Federal Income Tax Act

When you think of unemployment insurance tax, you probably think of state unemployment tax first—but there’s actually a federal unemployment tax too. Both state and federal unemployment tax are taxes that employers pay directly to the government, typically calculated as a percentage of payroll. Employment tax obligations can include federal, state, and local income tax, social security and Medicare tax, and SUTA and FUTA tax. To maintain compliance (and be prepared to pay), employers need to understand which taxes apply to them, how to calculate their liabilities, and when and how to make payments.

Gabrielle Sinacola | Jul 28, 2023

What Is the New DOL Overtime Rule for 2024?

Overtime pay is a fundamental element of labor law, ensuring that employees are fairly compensated when they work beyond their standard 40 hours a week. It’s designed to protect workers from overwork and to encourage employers to hire additional staff if needed rather than relying on excessive hours from existing employees. Starting in 2024, the Department of Labor (DOL) is implementing significant updates to the overtime rule, potentially impacting millions of employees and the businesses that employ them.

Gabrielle Sinacola | Jul 5, 2024

Ready to get started?

Schedule a free consultation to see how Mosey transforms business compliance.