- The original Callahan's Place, Suffolk County, NY: Callahan's Crosstime Saloon, Time Travelers Strictly Cash, Callahan's Secret
- Lady Sally's House, Brooklyn, NY: Callahan's Lady, Lady Slings the Booze
- Mary's Place, Suffolk County, NY: The Callahan Touch, Callahan's Legacy
- The Place, Key West, FL: Callahan's Key, Callahan's Con
The first two parts are more or less intertwined in time; Lady Sally's House ended up closing a year after the events of Lady Slings the Booze but before the events of Callahan's Secret. The third and fourth parts basically follow on in sequence from the events of the first part.