Do you need to consult the land register? This is the time to discover online on cadastre.gouv.fr the nearly 600,000 sheets of the French cadastral plan that cover the entire national territory.
Just click www.cadastre.gouv.fr and to specify, for example, the address you are interested in. The site then offers on its results page the parcels corresponding to your search, the cadastral sheets being consulted free of charge by simple visualization (it is also possible to print extracts of plan).
Reminder
Cadastral documentation is a set of documents that are used to identify, describe and evaluate real estate properties in France in order to serve as a basis for calculating local taxes (housing tax, property tax, etc.).