Maine's Food Sovereignty Act (2017) was the first. ~80+ towns have local food sovereignty ordinances giving max freedom.
Sources
Where to verify Maine's rules
Statute / regulation
legislature.maine.gov/statutes/7/title7sec282.html
Maine Department of Agriculture, Conservation and Forestry
maine.gov/dacf/qar/inspection/home_food_processor.shtml
Forrager state guide
forrager.com/law/maine/
Cooperative Extension
extension.umaine.edu/food-health/food-preservation/
Additional resource
localfoodrules.org/
By Locality
Maine Counties
9 counties tracked. Pick yours for the local zoning + health department links.
Major cities
City zoning rules in Maine
City zoning rules apply on top of the state cottage food law — home occupation, customer pickup, signage, and employees.
Augusta
Self-hosted
Important
Cottage food laws are amended every year. This is a starting reference, not legal advice. Verify with Maine Department of Agriculture, Conservation and Forestry and your local health department before relying on this data.