A lot of "extended stay" hotels have this. One brand I've used and have had pretty good luck with is Sonder. They're not quite full service -- they have a spa

A lot of "extended stay" hotels have this. One brand I've used and have had pretty good luck with is Sonder. They're not quite full service -- they have a spartan reception and want you to use their app for everything, but they do have multiple rooms, an adequate kitchen, and washing machines in the rooms.