Regulatory framework
The code baseline for Kent County.
The current Michigan Statewide Jurisdiction List marks Kent County as having no county program and lists the cities, villages, and townships as LOCAL for building, electrical, mechanical, and plumbing enforcement. Current Michigan codes include the 2021 Michigan Building Code and 2021 Michigan Rehabilitation Code (effective April 9, 2025), 2015 Michigan Residential Code (current while the 2021 residential update is stayed), 2021 Michigan Mechanical and Plumbing Codes (effective March 12, 2024), 2021 Michigan Commercial Energy Code (effective April 22, 2025), and 2023 Michigan Electrical Code/NEC (effective March 12, 2024).