
Washington Just Doubled the B&O Tax Filing Threshold — Here's What Actually Changes for Your Business
Effective July 1, 2026, Washington raised the B&O tax filing threshold from $125,000 to $250,000 in annual gross income and increased the small business credit caps to $375/month for service businesses and $125/month for nonservice businesses — here's who can stop filing, who still owes nothing, and what obligations remain.










