How to interpret the last sentence?

Qiang, let's say you have an historically significant organization, corporation, government entity, church, etc. that is historically associated with a specific building, but that building is not architecturally distinguished. That is my interpretation of that language, though I would appreciate anyone else offering theirs.

What it means is a mundane building that is important because it is either the last of its kind—like the last remaining warehouse in a place where warehouses defined the development of a community—or because it is part of a group of mundane buildings that represent an important development in a community. What comes to mind are the little tiny vernacular one room stores scattered throughout southern towns. Each one is pretty mundane but they are the last vestige of entrepreneurial action by immigrants and/or African-Americans and some towns are making them a category for protection. It appears that the authors of the LEED language may have been trying to throw a wider net than usual to capture buildings that have not been surveyed. In most of our work, a building is legally "historic" if it is a contributing building in a designated historic district, either national or local, or individually listed, either locally or nationally or has been judged eligible for listing . . . which just means no one has got around to the full paperwork.

Hello, I think it depends on where you live in the world. From what I understand LEED V4 wants to really attack those regions outside of the US. For example in Europe a lot of buildings are "mundane" historic ones. In the US most of the building stock would be "mundane" new ones. Voila that's my 2 cents worth,