The plot thickens. Here’s an old version of the Homestead deduction application from 2009:
It says, in part “Note: The property cannot receive the Homestead Deduction if it is held in an irrevocable trust or if the record owner is a corporation or business entity (except a partnership in which all partners occupy the property as their principal residence). ”
This is presumably where the quote in my last post came from (federaltitle.com). However, I don’t see any such language in the CURRENT homestead application form posted at DC office of tax and revenue. Maybe the laws got changed?