Unable to answer "Do you have to pay to park here?" for https://osm.org/way/304726286 via StreetComplete 54.0:

no parking lot here. Further north where the 4 small streets branch off to the east: that is a parking lot. And it's gated.

Attached photo(s):
https://westnordost.de/p/177221.jpg
https://westnordost.de/p/177222.jpg