Multnomah County, OR Payroll Tax Registration

Oct 9, 2025

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 LLP, LLC, Corporation

Employers must withhold the Preschool For All (PFA) Personal Income Tax through payroll deductions for all employees that work in Multnomah County and earn $150,000 or more annually. The tax also applies to joint filers who earn $200,000 or more annually. Employers should automatically withhold for employees making over $200,000 per year.

  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.

California Extends Sick Leave to Victims of Crime and Violence (2025)

California is setting a new standard for workers’ rights with its expanded sick leave, providing you and your team with support during challenging times. The law goes into effect on Jan. 1, 2025, providing relief to victims of crimes such as domestic violence, sexual assault, and stalking. By extending the reach of the Healthy Workplaces, Healthy Families Act of 2014 (HWHFA) and defining unpaid leave protections under the Fair Employment and Housing Act (FEHA), the state has made a powerful statement about its priorities. Now, it’s time for employers to implement new policies.

Kaitlin Edwards | Dec 30, 2024

Doing Business in New York as a Foreign Corporation

New York City is a thriving hub for businesses of all sizes and shapes. Whether you’re a small business or a growing startup, the “Big Apple” and its surroundings offer a dynamic environment for growth and innovation. Before we jump in, it’s crucial to understand the landscape, particularly if you’re a foreign corporation. Let’s go through the essentials of doing business in New York, ensuring you’re well-equipped to properly tackle it.

Kaitlin Edwards | Jan 18, 2024

How To Start an LLC in California

If you’re considering establishing a limited liability company (LLC) in California, there are several key pieces of information you need to know before embarking on this journey. This guide is tailored to offer you a clear roadmap so that you can navigate the process with confidence and ease. If you’re ready to get your entrepreneurial dreams off the ground, let’s get started. What Is an LLC? An LLC, or limited liability company, is a popular business structure. You’re protected from liability like a corporation, and you also enjoy the simplicity that comes with a sole proprietorship. It’s a flexible option for small to medium-sized businesses, allowing owners, known as members, to benefit from both operational flexibility and reduced personal liability.

Kaitlin Edwards | Jan 23, 2024

Ready to get started?

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