Planning, development and land

Public developers and agencies, State services and the intercommunal authorities in charge of economic development.

Val-d'Oise figures

local urban plans published
173Source : Géoportail de l'urbanisme, état au 02/10/2026
brownfield sites listed
112Source : Cerema, Cartofriches, juin 2026
municipalities in a regional aid zone
4Source : ANCT, zones d'aide à finalité régionale 2022-2027
classified installations in operation
347Source : Géorisques, état au 02/10/2026
Seveso sites
23Source : Géorisques, état au 02/10/2026

Figures for this field : Large sitesBusiness parksYour formalities

Key players 13

All intercommunal authorities in Val-d'Oise ›

Information checked on 02/10/2026 against the official sources cited. Something to correct? Write to CEEVO.