Building permits in Kentucky
2 jurisdictions, each with the department that issues, its portal and its phone number. Cities issue their own permits; counties cover unincorporated areas, which is the distinction that sends most contractors to the wrong office.
2 checked against the department's own page
Licensing
No statewide general-contractor license; HVAC, electrical & plumbing are state-licensed (Dept. of Housing, Buildings & Construction). Local building permits required.
Kentucky Dept. of Housing, Buildings & Construction (HBC)