Plumber License from Kentucky to Michigan: Does It Transfer? (2026)

A plumbing license transfers from Kentucky to Michigan by endorsement — there is no automatic reciprocity, but you do not start over. Apply to the Michigan Department of Licensing and Regulatory Affairs — Bureau of Construction Codes (BCC), Plumbing, verify your Kentucky license, and meet Michigan's endorsement requirements. Michigan does not reciprocate with any state and waives its journey plumber exam for no one: every applicant, in-state or out, must pass Michigan's written AND practical (hands-on) journey plumber examinations. An out-of-state plumber may receive credit for out-of-state experience — documented on the BCC Out-of-State License Verification form — toward the 6,000-hour eligibility requirement to be approved to sit for the exam, but the examination is mandatory..

Michigan does not reciprocate with any state and waives its journey plumber exam for no one: every applicant, in-state or out, must pass Michigan's written AND practical (hands-on) journey plumber examinations. An out-of-state plumber may receive credit for out-of-state experience — documented on the BCC Out-of-State License Verification form — toward the 6,000-hour eligibility requirement to be approved to sit for the exam, but the examination is mandatory..

$40–$90 ($40 journey plumber license/application fee plus $50 examination fee (MCL 339.6121, Skilled Trades Regulation Act, 2016 PA 407). The same fees apply to out-of-state applicants; the exam is administered by PSI.); processing No board-stated processing time; the application, out-of-state verification, and license fee are mailed to LARA BCC and the exam is scheduled through PSI..

Yes — plumbing licenses in different jurisdictions run independently. Keep the Kentucky credential active on its own renewal and continuing-education schedule and you hold both, which is common for plumbers working near a state line.