Iowa State Senator

Mark Costello Authored & Sponsored Legislation

Session

Primary Sponsor of Legislation

IA

Iowa 2025-2026 Regular Session

Iowa Senate Bill SF320

Introduced
2/17/25  
A bill for an act creating a capital murder offense by establishing the penalty of death for murder in the first degree of a peace officer on duty, and including effective date and applicability provisions.
IA

Iowa 2025-2026 Regular Session

Iowa Senate Bill SF331

Introduced
2/17/25  
A bill for an act relating to the purchasing of a youth deer hunting license and tag.(See SF 423.)
IA

Iowa 2025-2026 Regular Session

Iowa Senate Bill SF367

Introduced
2/19/25  
A bill for an act designating kratom as a schedule I controlled substance, and making penalties applicable.
IA

Iowa 2025-2026 Regular Session

Iowa Senate Bill SF375

Introduced
2/19/25  
A bill for an act relating to the maximum power output for low-speed electric bicycles and pedestrian conveyances powered by an electric motor.(See SF 490.)
IA

Iowa 2025-2026 Regular Session

Iowa Senate Bill SF500

Introduced
3/4/25  
A bill for an act relating to establishing the school security personnel grant program within the department of homeland security and emergency management and making appropriations.
IA

Iowa 2025-2026 Regular Session

Iowa Senate Bill SJR6

Introduced
2/17/25  
A joint resolution proposing an amendment to the Constitution of the State of Iowa by repealing the natural resources and outdoor recreation trust fund, and dedicating a portion of state revenue from sales and use taxes imposed for the benefit of property tax relief.