Washington’s 9.9% Income Tax: When Would the First Payment Be Due?
Washington’s 9.9% income tax takes effect January 1, 2028. When is the first payment due, and when do estimated tax payments start? Here’s the timeline for high earners.
Washington State Taxes
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QSBS and Washington's New Millionaire Tax
If you excluded gain under Section 1202 QSBS, does Washington's new millionaire tax still apply? Here's how the new income tax interacts with the federal QSBS exclusion.
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Washington’s 9.9% Income Tax (ESSB 6346): Founders & High Earners Guide
Washington just signed a 9.9% income tax on household earnings above $1 million, effective January 1, 2028. Here's what founders, investors, and high earners need to know — including QSBS planning, the marriage penalty, exit timing, and the constitutional fight ahead.
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Washington’s Capital‑Gains Tax and QSBS: A Founder’s Guide
Washington State introduced a capital‑gains tax in 2021, triggering immediate interest (and litigation) among founders, investors and tax professionals.
Washington Jock Tax (Visiting Pro Athlete Tax): How It Would Actually Work
Washington’s proposed jock tax (Visiting Pro Athlete Tax) would tax nonresident pro athletes based on games played in the state, and the idea later reappeared in Section 404 of ESSB 6346.
Why Washington’s 9.9% Income Tax Faces a Serious Constitutional Problem
Washington’s 9.9% income tax (ESSB 6346) targets personal income over $1 million. Here’s why it faces a serious constitutional problem and what happens next.
Washington QSBS Update: SB 6229 & HB 2292 Could Tax Section 1202 Gains
I’m sharing this because the Washington capital-gains tax conversation just took a turn that founders, early employees, and investors cannot ignore as they think about exits, liquidity timing, and...
Navigating Washington's 2026 Tax & Business Legislation
Navigating Washington’s 2026 Tax & Business Legislation By Joe Wallin Published February 2, 2026 Washington’s 2026 legislative session is off to a brisk start, with lawmakers filing bills and holding...
Washington SB 6229: Proposed 9.9% Income Tax Increase (Did Not Pass)
Washington SB 6229 would have raised Washington’s million-dollar tax to 9.9% and changed QSBS (Section 1202) treatment—what it would have done (and why it didn’t pass).
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2026 QSBS State-by-State Conformity Guide: Where the Federal Exclusion Actually Sticks
If you're a founder, investor, or startup advisor eyeing a 2026+ exit, the One Big Beautiful Bill Act (OBBBA) just made QSBS (Qualified Small Business Stock under Section 1202) even more powerful:...