Basel
Canton of Basel-Stadt
In Basel, the building regulations in force are “Bau- und Planungsgesetz (BPG) vom 17. November 1999, SG 730.100” (version of 18.08.2026). A revision is under way: Public consultation on 30.05.2026.
Municipality
Tax rate-
Vacancy rate0.77 %
Share of second homes10.76 %
Area23.9 km²
Building regulations
Version18.08.2026