Regulatory framework
The code baseline for Livingston County.
Livingston County Building Department enforces the Michigan Construction Code for its service area, with the City of Howell and Green Oak Township identified as local exceptions that issue their own permits. Current Michigan codes include the 2021 Michigan Building Code and 2021 Michigan Rehabilitation Code (effective April 9, 2025), 2015 Michigan Residential Code, 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).