There is a barbershop (“JD’s Barbershop”) on the west end of this building. https://jdsbarbershopsomd.booksy.com/s/
20943 Point Lookout Rd, Unit #3, Callaway, MD 20620.
To the east of JD’s is China Cafe, a Chinese food restaurant https://yelp.to/bKRkxFEt7h, which looks like is incorrectly shown being farther south. The location where it is shown now is undeveloped.

The BBQ restaurant, Sweet Blue Smoke, is here 21030 Point Lookout Rd, Callaway, MD https://yelp.to/uZ2d1hfVLn

This is “Taphouse 1637”, a bar/restaurant that serves craft beers. https://yelp.to/z18PL8KBVj