Our base is Downtown Silver Spring, about a mile southwest of the shop address, and we run service out from there into Forest Glen and Takoma Park (both about 2 miles out), South Kensington, Kemp Mill, Adelphi, Chevy Chase, Chillum, Kensington, and White Oak (all roughly 3 miles), and further out to North Kensington, Wheaton, Hyattsville, Garrett Park, College Park, Colesville, Mount Rainier, Brentwood, Calverton, and more - out to about 7 or 8 miles in places like Greenbelt, Woodlawn, and Cheverly.
That's a wide mix of housing ages and styles across 81 named areas, which matters more than it sounds like it should. A door that's standard in one neighborhood can be an odd size or an obsolete track style three miles away. We don't treat the service area as one uniform job - we treat it as a lot of small, different ones.