Two tiers: Home Bakery and Home Food Processing Establishment.
Sources
Where to verify Iowa's rules
Statute / regulation
legis.iowa.gov/docs/code/137F.pdf
Iowa Department of Inspections and Appeals
dia.iowa.gov/food-safety/home-food-establishment
Forrager state guide
forrager.com/law/iowa/
Cooperative Extension
store.extension.iastate.edu/Product/Iowa-Home-Food-Processing-Establishments
Registration / permit
dia.iowa.gov/food-safety/home-food-establishment-registration
Additional resource
forrager.com/law/iowa-home-food-processing-establishment/
By Locality
Iowa Counties
11 counties tracked. Pick yours for the local zoning + health department links.
Major cities
City zoning rules in Iowa
City zoning rules apply on top of the state cottage food law — home occupation, customer pickup, signage, and employees.
Des Moines
American Legal Publishing
Important
Cottage food laws are amended every year. This is a starting reference, not legal advice. Verify with Iowa Department of Inspections and Appeals and your local health department before relying on this data.