Plumber License Requirements in Kentucky
License RequiredLast verified March 9, 2026
Agency And Exam
Issuing agency: Kentucky Department of Housing, Buildings and Construction, Division of Plumbing
Official licensing agency website
Exam provider: PSI
Reciprocity And License Levels
License levels
Journeyman PlumberMaster Plumber
Reciprocity states
None listed
Notes
Kentucky requires plumbing licensure through the Division of Plumbing. The division's public FAQ states that journeyman and master plumbers must hold state credentials before performing plumbing work on housing, public buildings, and mobile homes, subject to narrow owner-occupied exceptions. Verified against Kentucky DHBC plumbing materials on 2026-03-09.