Key:building:levels:underground

building:levels:underground
Description
To mark number of levels under ground level 
Group: Buildings
Used on these elements
Requires
Useful combination
See also
Status: in use
More details at taginfo
Tools for this tag

This tag is used for marking the number of underground levels of a building (building=*) or of a building part (building:part=yes).

For more information, see building:levels=*.

How to map

Use the tag on a closed way in combination with building=*. The value of building:levels:underground=* must be a non-negative integer (i. e. 0 or greater).

Do not use negative values! For above-ground building parts without connection to the ground, use building:min_level=* instead.

Examples

building:levels:underground=*Meaning
0no underground levels
1one level underground
2two levels underground

   amenity=parking
   building=parking
   parking=multi-storey
   building:levels=0
   building:levels:underground=2
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