Blackford Planning & Zoning indicates permits are required for a wide range of common improvements, including porches, roofs, decks, sheds, garages, pole barns, homes, signs, and more. The office also expects supporting application details, plans/site plans, and inspection pathways.
That should reset buyer mindset: the first question is not “Can I imagine this use?” It is “What does the county require before this use becomes real?”