[9] Koznick authored a bill that would close the Northstar Commuter Rail line, which runs from Big Lake to Minneapolis, citing low ridership numbers.
[13] Koznick signed on to a letter calling for reforms to the Metropolitan Council, a regional planning agency, and criticizing its handling of the Southwest light rail project.
[23] He coauthored legislation attempting to recruit more teachers of color into Minnesota schools, as well as a bill that would propose a constitutional amendment to establish a fundamental right to quality public education in the state.
[24][25] Koznick opposed the creation of a fifth income tier on the highest earners in Minnesota, saying it would lead businesses to leave the state.
[29] He has supported increasing funding to the International Institute of Minnesota, a nonprofit that provides job training and English classes to new immigrants and refugees.
[30] He sponsored legislation that would pay to improve the Lakeville Airlake Industrial Park to allow it to store unused rail cars.
[33] During the COVID-19 pandemic, Koznick sponsored legislation to allow restaurants to sell beer and wine with takeout orders, but opposed extending the provision to cover cocktails and spirits.