Washington is no longer a no-income-tax state. Starting in 2028, a new 9.9% tax on household income above $1 million takes effect — and the window to act is closing fast.
This guide — written by startup and tax attorney Joe Wallin (NYU LL.M. in Taxation, 25+ years advising startups and investors) — walks high earners, founders, investors, and their advisors through exactly what the new law means and what to do before 2028.
What's Inside
- How the 9.9% tax works and exactly who it hits
- QSBS gains and why Section 1202 is still your most powerful tool
- Domicile planning — what moving out of Washington actually requires
- Cliff planning in 2026 and 2027 — how to accelerate income before the tax kicks in
- The marriage penalty and how it affects joint filers
- The constitutional challenge and what it means for planning today
- Athletes, NIL, and nonresident income — the duty-day rules explained
Who It's For
- High earners and executives with household income over $1 million
- Startup founders and angel investors holding QSBS
- CPAs, financial advisors, and attorneys counseling Washington clients
- Professional athletes and their agents dealing with Washington's new duty-day rules
About the Author
Joe Wallin is a startup and tax attorney with 25+ years of experience advising founders, investors, and startup teams. He holds an LL.M. in Taxation from NYU and has written extensively on QSBS, equity compensation, and Washington State tax issues. He publishes The Startup Law Blog and advises clients on QSBS qualification, angel investing, and startup formation.
Ready to Plan Ahead?
The Washington State Tax Planning Guide for High Earners is available now on Gumroad. Published in digital format with ongoing updates as the law evolves.
Have questions about how this applies to your situation? Feel free to book a free introductory call.