Carport in the canton of St. Gallen: building permit required?

Building permit required

Short answer: carports require a building permit.

Basis: Art. 136 PBG. Planning and Building Act (PBG). As of October 2026. Applies within the building zone and outside core zones and protected areas. Municipalities can be stricter.

Do I need a building permit?

Free initial assessment in 20 seconds: 9 cantons, 8 structures, as of October 2026.

What specifically applies in the canton of St. Gallen

A carport is a structure: it takes up space, often stands close to the boundary or road and needs a building permit almost everywhere. With solar panels on the roof (solar carport), design requirements and registration with the grid operator are added.

Permit-free in the canton of St. Gallen: only the minor projects listed in Art. 136 para. 2 PBG are permit-free. Shade sails, roofed pergolas and carports are considered to require a permit.

Procedure: Art. 136 para. 2 PBG lists which projects generally do not require a building permit. The Administrative Court classified a roofed pergola as a building (B 2020/75).

Submission: cantonal building application form (G1) on paper to the municipality; a cantonal eBau is planned from 2027.

Note the official municipal instructions in the canton of St. Gallen and our document checklist.

Our fixed price for a carport in the canton of St. Gallen

  • Preliminary check CHF 149, written assessment with the procedure, documents and fee range of your municipality. Credited towards the application.
  • Building application CHF 690, complete dossier, submission, queries and deadlines until the decision. Excl. municipal fees.
  • Retrospective building application CHF 990, if a carport is already in place and the municipality requires an application.

Frequently asked questions

Does a carport need a permit in the canton of St. Gallen?

Building permit required. Carports require a building permit. Legal basis: Art. 136 PBG.

Which procedure applies in the canton of St. Gallen?

Art. 136 para. 2 PBG lists which projects generally do not need a building permit. The Administrative Court classified a roofed pergola as a building (B 2020/75).

Who may submit the application in the canton of St. Gallen?

No formal professional qualification is required. You give us a power of attorney; the client and the landowner sign the application.

How much does the building application for a carport in the canton of St. Gallen cost?

Our fixed price is CHF 690 for the dossier including submission and follow-up questions. Official fees and any agreed additional services are extra; the official tariff depends on the location.

Carport in the canton of St. Gallen: we submit it for you.

Assessment in 2 working days, dossier in 5. Enquire without obligation.

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