France · Paris · See the France profile
France's tax authority scans aerial imagery with AI to find undeclared pools and extensions. In 2023 it flagged ~140,000 unreported pools, yielding about €40M in extra property tax, with expansion to other structures planned.
Foncier Innovant is an AI image-analysis programme run since 2021 by France's tax authority (DGFiP), built with Google and Capgemini, that scans aerial photography to spot undeclared swimming pools and building extensions liable for property tax.
The system automatically flags unreported pools and extensions from aerial imagery for tax officials to assess; it is now being extended from pools to verandas, sheds and other structures.
An initial detection wave found over 20,000 undeclared pools (about €10 million in added tax); by 2023 the system had flagged roughly 140,000 unreported pools, yielding about €40 million in additional property tax, with an internal target of around €100 million as coverage expands.
The page presents this as a high-yield, concrete compliance use case, while flagging honest caveats around surveillance and proportionality, since aerial detection of private property raises privacy concerns and open questions about citizens' recourse.
Implementation detail (cost, timeline, staffing, conditions for success) is not yet available for this practice.
Where this practice's information was retrieved from, and when.
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