Unable to answer "What kind of building is this?" for osm.org/way/762334335 via StreetComplete 53.3:

It is a building full of lockers, for members of the San Diego yacht club

Unable to answer "What are the opening hours here?" for osm.org/node/1399155195 via StreetComplete 45.2:

Temporarily closed for renovations

Unable to answer "What type of bollard is this?" for osm.org/node/664166133 via StreetComplete 45.2:

It is not on the street but the parallel path and is removable

Attached photo(s):
https://westnordost.de/p/110866.jpg