DOLC regulates and licenses the manufacture, distribution, transportation, and sale of beer, wine, mixed beverages, and spirituous liquor in Ohio. Legal age to consume alcohol.19, Legal age to serve beer. The legal drinking age in Ohio is 21 years old, and it's illegal for anyone under this age to purchase or consume alcoholic beverages. Publicly searchable information on permit holders, liquor agencies, alcohol available, pending applications, wait lists, etc. Ohio alcohol laws permit adults 19 years or older to serve alcohol in venues for on-site use. And the same age for those who sell beer "across a bar." Call now for a free consultation at the Law Office of Mark Gardner at 866-361-4522.