Rajaniemi is a Republican candidate for Arizona House, representing Legislative District 30. Born American and conservative by choice, she is a proven leader and proud supporter of President Donald Trump. Her campaign is built on strong principles and a genuine love for Arizona, with a clear vision for the state’s future. Key policy areas include supporting the 2nd Amendment to protect gun owners' rights, strengthening the economy by backing Republican Legislature policies and opposing new taxes, and fixing the future for Arizona families by addressing affordable housing, insurance, and inflation.

She is also dedicated to protecting Arizona's water resources, ensuring wise usage and property owner rights, and improving education by providing schools with necessary resources while cutting wasteful programs. Furthermore, Catherine advocates for overhauling Family Courts and the Department of Child Safety to ensure proper representation and protection for children. She is a dedicated advocate for working families and a strong voice for Arizona’s District 30.