Unable to answer "Is this place wheelchair accessible?" for https://osm.org/node/358956477 via StreetComplete 43.0:

Keller Memorial church once occupied 907 Maryland Ave NE a block away (now Washington Community Fellowship. source: https://www.wcfchurch.org/pages/our-history). This building is a small nondescript rowhouse without signage,unlikely to be a church

Attached photo(s):
https://westnordost.de/p/93355.jpg