Rob Lotterstein, the executive producer of K.C. Undercover, recently confirmed on his Twitter page (RobLottTV), that K.C. Undercover is set in Washington, D.C. (Which is where Rob went to college.)
This is all we know about location, at the moment.
Pages in category "Locations"
“ The Olive Pit is a restaurant where the characters in K.C. Undercover sometimes go to eat. It...
The Olive Pit