§ 18 Spatial Planning and Building Act (RBG) - Zone Plans and Zone Regulations (Zoning Provisions)

1. Municipalities issue zoning regulations for the entire municipal area. The zoning regulations consist of zoning maps and zoning ordinances. For individual parts of the municipal area, partial zoning maps and partial zoning ordinances may be enacted, which contain special provisions.

2. The zoning maps divide the municipal area into different use zones and assign noise sensitivity levels to them.

3. The zoning ordinances determine the type and extent of use, particularly the building method, building dimensions (building length, building depth, building height or number of stories), the maximum permissible structural utilization, as well as the roof shapes and their design. The maximum permissible structural utilization is determined by the building coverage ratio, the green space ratio, and/or the floor area ratio.

4. In the interest of a harmonious street, local, and landscape appearance, zoning ordinances may contain provisions regarding the design, building materials, and color schemes of the structures and facilities, as well as regarding planting, ecological compensation, and biotope networking.

4bis. Municipalities may establish a minimum utilization for new constructions in certain zones or parts of zones, which must be at least 50% of the maximum permissible utilization.

5. Zoning regulations are binding for everyone.

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