In Iowa, you can take our online training to obtain your state specific Responsible Serving of Alcohol certification. 
The minimum age to sell alcohol in Iowa is 16 (off-premises) 18 (on-premises) 21 (delivery). The minimum age to serve alcohol in Iowa is 18. Iowa bartender licensing regulations

The Iowa Alcoholic Beverages Division

The agency that handles Iowa liquor licensing and/or bartender licensing rules and regulations in Iowa is The Iowa Alcoholic Beverages Division. The contact information for The Iowa Alcoholic Beverages Division is listed below. You can contact them to verify that online server certification (bartender license) can be obtained in Iowa. We have also listed that information where applicable.

The Iowa Alcoholic Beverages Division
866.IowaABD (866.469.2223)
https://abd.iowa.gov

Bartending regulations for sellers and servers in Iowa
  • IA Dram Shop Laws: Yes
  • IA Happy Hour Laws: The State of Iowa does not have state-wide Happy Hour Prohibitions. Such laws may exist in your city or county. Check with your local jurisdiction for any restrictions.