Do you get a Postman-Always-Rings-Twice vibe? I do.

As for the membership in the United Motor Courts:

United Motor Courts, founded in 1933 by a group of motel owners in the southwestern U.S., published a guidebook until the early 1950s, A splinter of this now-defunct group, Quality Courts, began as a referral chain in 1941, but was converted to a franchised operation (Quality Inn) in the 1960s.

Leading attribute: not just modern stucco, but new modern stucco.