
Washington State Tax Archive

Understanding Washington’s Millionaires’ Tax: What Business Owners and High Income Taxpayers Should Know About Senate Bill 6346
After extensive legislative debate, Washington enacted Engrossed Substitute Senate Bill 6346 (SB 6346), Chapter 238, Laws of 2026,… Read More

Five Washington Tax Issues Senior Living and Skilled Nursing Operators Often Miss
Washington state does not impose an income tax on businesses or organizations. However, it does impose a business and occupation (… Read More

Washington State Millionaires’ Tax Signed — What Happens Next?
On March 30, 2026, Washington Governor Bob Ferguson signed Senate Bill 6346, which enacted a 9.9% tax on annual income over $1 mil… Read More

The Millionaires’ Tax and Other Proposed Washington State Tax Legislation
Written by Christian Rodrigues, Eric Nix, and Grant Shaver. Originally published 2/18/2026. Updated 3/13/26 to include an update o… Read More

Tax Relief for Washington State Taxpayers Impacted by Severe Weather
The Internal Revenue Service (IRS) has announced disaster-related tax relief for individuals and businesses in Washington state ta… Read More

Washington’s Capital Gains Tax Treatment on Sales Involving SMLLCs and Real Estate
Background In the real estate world, properties are often put into separate LLCs for liability protection. For federal tax purpose… Read More

Senior Living Facility Meal Taxability in Washington State
This is an article updating information originally shared in this article by Joe Haberzetle, JD, LLM. Should retirement com… Read More

Crucial Updates to B&O Apportionment Rule for WA Businesses
Written by Grant Shaver, Eric Nix, Daniel Sheldon, and Na Koo Washington state imposes a business and occupation (B&O) tax on… Read More
