The town has asked him for plans on how he will be using the building so they can apply the applicable building code. He's refused, citing the cost ($10k by his estimate) but he's since gone and bought 75 properties in town.
If you're going to refurb a giant warehouse to be a fireworks storage facility, that's different from building a daycare, which is different from "run an internet company and makerspace", etc.
Given his history includes free-energy crap (his own fusion reactor design) and running for Mayor of Provo, UT on a platform of disincorporating the city, I would guess the problem is that this guy is a libertarian and thus thinks rules don't apply to him.