Data expert to find big GIS Buildings datasets

Looking for data scientist/ data analyst to search and find GIS building datasets/databases online like folllowing:
https://github.com/pankajrajput0312/Map-Transition-from-Satellite-view-to-Street-View
http://www.cs.toronto.edu/~fidler/projects/rent3D.html
https://zenodo.org/record/2613548#.YU_HLbgzZPY
https://figshare.com/articles/dataset/Duplex_apartments_a_modern_idea_about_housing_and_the_proposal_of_a_housing_typology/7390664

The dataset/database size should be at least 800 items.