2025 House Bill 5221

Occupations: plumbers; ratio requirements for apprentices on jobsite; modify.

A bill to amend 2016 PA 407, entitled “Skilled trades regulation act,” by amending section 1117a (MCL 339.6117a), as added by 2024 PA 172.

AI Analysis – Experimental

House Bill No. 5221 increases the allowable ratio of supervising plumbers to apprentices from 1:2 to 1:5, introduces a tiered penalty system for violations, and directs fines to enforcing agencies, thereby altering supervision standards and enforcement mechanisms in Michigan's plumbing trade.

Introduced in the House

Nov. 5, 2025

Introduced by Rep. Joseph Aragona (R-60) and two co-sponsors

Co-sponsored by Reps. Tim Kelly (R-93) and Jason Woolford (R-50)

Referred to the Committee on Government Operations