The German version is legally binding.
Operator
EAS InternationalOwner: Urs Zimmermann
Klybeckstrasse 141
4057 Basel
Switzerland
Email: info@vorbau.ch
Legal form, register and VAT
EAS International is a sole proprietorship of Urs Zimmermann and is not entered in the commercial register. The operator is not liable for VAT; prices do not include VAT.
Responsible for content and data protection
Urs Zimmermann, address as above. Data protection enquiries: see the privacy policy.
Data sources
Vorbau compiles official data. Only the official original publications are authoritative.
- Buildings and dwellings: Federal Statistical Office; Federal Register of Buildings and Dwellings (RBD)
- Building permit applications: official gazettes of the cantons of ZH, BE, ZG, BS, BL, AR and TI, obtained via amtsblattportal.ch
- Forced auctions: Swiss Official Gazette of Commerce (SOGC) and cantonal official gazettes, obtained via amtsblattportal.ch
- Company data: Zefix (Central Business Name Index), Federal Commercial Registry Office (FCRO), open data via LINDAS
- Maps, aerial images and place search: © swisstopo (Federal Office of Topography swisstopo)
Details and attributions: Sources and licences.
Vorbau is a private service. It is not a public authority and has no connection with the Confederation, the cantons, the municipalities or the publishers of the official gazettes.
Liability for content and links
The data is taken over automatically from official sources and may be incomplete, out of date or incorrect. To the extent permitted by law, no warranty is given as to accuracy, completeness or timeliness. Details are governed by the terms of use. The operators of linked third-party websites, such as the municipalities’ public displays of plans, are responsible for their content. Information in firm profiles is provided by the respective firms.
Copyright
The design, texts, logo and the website’s own compilation are protected. Official data is subject to the terms of the respective source. Under Art. 5 of the Copyright Act (CopA), official enactments and decisions are not protected by copyright.
As of 11 October 2026