Maryland Code Update: 2021 Code Cycle Adoption Information

June 12, 2023

Maryland 2021 Code Cycle Adoption Information

State (the Department) has adopted the 2021 edition of IBC, IRC, IECC, IgCC & IEBC for;

  • COMAR 09.12.50 Model Performance Code & COMAR 09.12.51 Maryland Building Performance Standards
  • COMAR 09.12.57 International Green Construction Code
  • COMAR 09.12.58 Maryland Building Rehabilitation Code Regulations

The effective date is May 29, 2023. State law requires local jurisdiction to start implementing & enforcing the new requirements by May 29, 2024.

For  more information on amendments and adoption:  :

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