Avengers Mansion. the JLA Satellite and Titans Tower are the best. The X-Mansion/School is pretty good, but reminds me too much of Avengers Mansion. Even though they first appeared at the same time. Though being away from NYC in a semi rural setting is plus for the neighbors.
The worst, the various mountain caverns used by the JLA, the COTU and the Teen Titans. It worked for Batman because his name is Bat