Calculate Washington’s per diem rate based on GSA guidelines to simplify your business travels.
Home to global technology and aerospace giants, Washington state has a dynamic and diverse economy. To manage these varied travel costs, a clear per diem policy is a critical business tool.
This guide is designed to provide clarity on travel expenses in Washington. We will cover the official GSA per diem rates, explain the laws that govern employee reimbursement, and show you how to streamline the entire process.
Per diem rates for official travel in Washington are set by the U.S. General Services Administration (GSA). These federal rates are mandatory for federal employees and serve as a common benchmark for private sector companies looking to create an IRS-compliant reimbursement policy.
For Fiscal Year 2025 (October 1, 2024, to September 30, 2025), key rates are broken down as follows:
The state's primary business and technology corridor has its own designated Non-Standard Area (NSA) rates with significant seasonal variations.
The first and last day of travel, the M&IE rate is $69.00 for Seattle and $64.50 for Vancouver and Tacoma.
For any county in Washington not specifically listed by the GSA, the standard CONUS rate applies. For FY 2025, this rate is $178 ($110 for lodging and $68 for M&IE).
Find the exact per diem allowance for your business trip to Washington with our easy-to-use calculator. Select the fiscal year, choose your destination, and input your travel dates. The tool will instantly provide the correct lodging and M&IE rates based on the official GSA schedule.
While Washington State law provides flexibility, employers must be aware of wage protection laws and specific local ordinances.
It's important to understand the distinction between the federal GSA system and Washington's state law.
Managing travel expenses across Washington’s diverse economy requires a smart and adaptable system. Fyle's expense management platform automates this complexity, providing powerful financial controls while simplifying the process for your employees.
Here’s how Fyle helps you master your Washington travel expenses:
With Fyle, you can confidently manage your Washington travel expenses, providing a modern, hassle-free experience for your employees while maintaining perfect financial control.
The content on this page is for informational use. As legal standards and per diem rates are subject to change, users should verify current details with official GSA or government resources. This information does not serve as financial or legal counsel.
