The linked shapefile contains all the necessary data to built the cadaster plan of Canton Geneva.
The entire file is too large to be uploaded, so here you find the link to the data source.
To have an idea of the land coverage of Canton Geneva you can refer to the uploaded and processed file of :
- 3.0 Couverture du sol domaine routier du Canton de Genève (5 niveaux) --> about roads
- 3.0 Couverture du sol du Canton de Genève --> about ground coverage
- 3.2 Historique des bâtiments hors-sol et sous-sol du Canton de Genève --> about buildings