Unable to answer "What’s the house number of this building?" – Residential Building – way/287105935 via StreetComplete 61.0:

I see no building here

Do these ranks of mysterious T shaped walls warrant a landmark or something in OSM?

https://rroc.cfans.umn.edu/about/twalls

Gas barbeque, fire pit, picnic tables and wooden chairs. Pic taken from the North looking South

via StreetComplete 61.0

Attached photo(s):
https://streetcomplete.app/p/277179.jpg

Unable to answer "How is this power line attached?" – Power Pole – node/10651027845 via StreetComplete 61.0:

This wooden pole has wires supported both from the side and from underneath

Attached photo(s):
https://streetcomplete.app/p/277180.jpg

This path:
- is concrete
- does not connect to the playground
- extends north east all the way to the road
- extends south west all the way to the other path
- has a small cute circular wooden shelter containing two benches, each seating two, on it's South Eastern side

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There is a concrete sidewalk on this block

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There is a concrete sidewalk all along this block

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Residents swimming pool here, 14" eastwest by 28" northsouth

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Separate square building here, no 937, sides almost three times as long as the skinny garages shortest dimension. "The Villages at Essex Park Clubhouse and Leasing"

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Concrete pedestrian path goes south and east from here

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