From Longman Dictionary of Contemporary Englishbuilding siteˈbuilding ˌsite noun [countable] TBCa place where a house, factory etc is being built
Examples from the Corpus
building site• The defendant employer was in breach of statutory duty in removing safety belts from a building site.• This seems to them more like a building site than a City office.• He had, meantime, managed to get himself a job on a building site. 