Maggie Den Brueng
Unable to answer "What is the house number of this building?" for https://osm.org/way/399567832 via StreetComplete 31.3:

garage

Attached photo(s):
https://westnordost.de/p/43422.jpg
https://westnordost.de/p/43423.jpg
https://westnordost.de/p/43424.jpg