Earlier this week, Gov. Bob Ferguson signed into a law a bill to utilize Accessory Dwelling Units as part of an effort to solve Washington state’s housing shortage. An ADU is a smaller additional living space on the same lot as a single-family,

Rent stabilization and nine other housing proposals were signed into Washington state law on Wednesday. SEATTLE — Gov. Bob Ferguson signed a suite of housing bills into Washington state law on Wednesday afternoon, including one that controls how much most landlords can raise the rent on their tenants year-over-year.

House Bill 1217, also called the “rent-cap bill,” was among the most hotly debated measures during the 2025 session.