Skip to main content
Intended audience: Individuals subject to Washington’s capital gains tax
Beginning with tax year 2025, Washington’s long-term capital gains tax has a tiered rate.
What are the rates?
Your first $1 million in taxable Washington capital gains is subject to tax at a rate of 7%. Any amount of Washington capital gains exceeding $1 million is subject to a 7% tax, plus an additional 2.9% tax.
| Tax rate | On taxable income from... | Up to... |
|---|---|---|
| 7% | $1 | $1,000,000 |
| 9.9% | $1,000,001 | And up |
When do I report it?
These changes will first impact your 2025 capital gains tax return, due April 15, 2026, and future periods. Your capital gains tax will be calculated automatically when you file electronically.
Definitions
Washington capital gains has the same meaning as provided in RCW 82.87.020.
More information
ESSB 5813 Chapter 421, Laws of 2025
RCW 82.87.040 Tax imposed – Long-term capital assets.
Questions?
Contact us online or call 360-705-6705.
