building site

Short definition from Wiktionary

Noun

1. 1
   The site, the place where a building is located, is currently under construction, or shall be constructed (including structures other than buildings).
2. 2
   The site of a former structure, indicated by an assemblage of features, artifacts or debris, remote-sensing data, or historic records (e.g., deed records).
3. 3
   A messy, disorganized area.