Buy building land in the canton of Basel-Stadt: undeveloped plots
In the canton of Basel-Stadt, the official geodata analysed show 133 undeveloped plots in building zones across 3 municipalities (data retrieved 11.11.2026).
Of these, 43 plots carry the mark «Aerial image checked: nothing noticeable». On the evaluated aerial image (swisstopo, flight year 2024), no building and no installation was detected on the plot (except small structures under 12 m²), and no building of 12 m² or more is recorded in the official cadastral survey (status 31.10.2026). Trees and shrubs are possible; in this evaluation, vegetation does not lead to the classification «to be clarified on site». The check is automatic, on our own infrastructure. Every plot is checked on the aerial image and in the official cadastral survey. In two randomly drawn samples of 150 plots each, separate image evaluations supported the finding in 86 to 95 % of cases, depending on the counting method (status 04.11.2026; method: bauland-scout.ch/en/methode.html). The mark is an indicative value and does not replace a site visit or information from the building authority.
Basel-Stadt consists of the city of Basel and the two municipalities of Riehen and Bettingen, tucked between the Rhine, Germany and France. A building land search in the canton of Basel-Stadt is therefore a search for individual sites within a densely built city and in the green villages at the foot of the Dinkelberg, rather than for large areas. Cadastral survey and zoning data come from geodienste.ch, plot by plot, and the dossier shows whether a site counts among the undeveloped plots identified in the official data we analyse. To find building land here, check the details with the responsible building authority and the land registry office. There is no price guide, and Bauland-Scout neither sells nor brokers property.
The pages for individual municipalities are in German.
Official federal map viewer
Bauland-Scout brings together official geodata and filters out the undeveloped building zones. It does not replace the cantonal geoportal (GIS) or the PLR cadastre: legally binding extracts, the zoning plan and certified cadastral extracts (cadastral surveyor or land registry office) are available from the official authorities.