Washington · 2025–26 Regular Sessions · Bill

SB 5815: Business and occupation tax

In committee Last action January 12, 2026: By resolution, reintroduced and retained in present status.

Plain-language summary

SB 5815 is a bill introduced in the Washington Senate on April 16, 2025. According to its official title, it concerns: Modifying business and occupation tax surcharges, rates, and the advanced computing surcharge cap, clarifying the business and occupation tax deduction for certain investments, and creating a temporary business and occupation tax surcharge on large companies. Primary sponsor: Rebecca Saldaña (D). It lists 5 additional sponsors. Most recent recorded action (January 12, 2026): By resolution, reintroduced and retained in present status.

Sponsors

Primary sponsor: Rebecca Saldaña (Democratic). 5 co-sponsors.