State Construction Codes

All construction permits and inspections including plumbing, electrical, and mechanical are handled by Community & Neighborhood Services.

  • 2021 Michigan Building Code (Effective April 2025)
  • 2015 Michigan Residential Code (Effective February 2016)
  • 2021 Michigan Rehabilitation Code (Effective April 2025)
  • 2021 Michigan Mechanical Code (Effective March 2024)
  • 2023 Michigan Part 9A. Mechanical Code Rules
  • 2021 Michigan Plumbing Code (March 2024)
  • 2023 Michigan Part 7. Plumbing Code Rules
  • 2021 IMC and 2021 IPC (Effective March 2024)
  • 2021 Michigan Energy Code (Effective Aprill 2025)
  • Energy Code ASHRAE 90.1 (2013)
  • 2023 National Electrical Code (NEC) (Effective March 2024)
    Note: Residential requirements are contained in the Michigan Residential Code
  • 2023 Michigan Part 8. Electrical Code Rules
  • State Construction Code Act 230 of 1972, Act 245 of 1999 and all subsequent amendments

Boiler Code

  • ASME Boiler and Pressure Vessel Code, section I, II, III, IV, V, VII, IX, X, XI, 2019 edition
  • ASME code B31.1, 2018 edition
  • ASME code CSD-1, 2018 edition
  • 2019 National Board Inspection Code
  • 2016 PA 407 Skilled Trades Regulations Act
    Note: Residential requirements are contained in the Michigan Residential Code

Elevator Code

  • 2010 ASME A17.1 Safety Code for Elevators and Escalators
  • 2011 ASME A18.1 Safety Standard for Platform Lifts and Stairway Chairlifts
  • 2009 ASME A90.1 Safety Standard for Belt Manlifts
  • Elevator Safety Board General Rules


  • Ground Snow Load 50 Pounds Per Square Feet
  • Wind Speed Category 1: 105
  • Wind Speed Category 2: 115
  • Wind Speed Category 3 and 4 :120

Resources