MEP
State Amended
Maryland Board of Plubming- Liquefied Petroleum Gas Code NFPA 58
Adopted from:2024 NFPA 58 Liquefied Petroleum Gas Code (NFPA 58)
Effective Period
Learn moreNov 24, 2025—Present
Building Codes by State & Jurisdiction
Select any state to instantly see which building codebooks apply – including the adopted base code, effective period, and amendments.
MEP
As is
Maryland Board of Plubming- Fuel Gas Code
Adopted from:2024 International Fuel Gas Code (IFGC)
Effective Period
Learn moreNov 24, 2025—Present
MEP
As is
Maryland Board of Plubming- Fuel Gas Code NFPA 54
Adopted from:2024 NFPA 54 National Fuel Gas Code (NFPA 54)
Effective Period
Learn moreNov 24, 2025—Present
Residential
State Amended
Maryland Board of Plubming- Residential Code
Adopted from:2024 International Residential Code (IRC)
Effective Period
Learn moreNov 24, 2025—Present
MEP
State Amended
Maryland Model Performance Code- National Electrical Code
Adopted from:2024 International Plumbing Code (IPC)
Effective Period
Learn moreNov 24, 2025—Present
Fire
State Amended
Maryland Life Safety Code
Adopted from:2024 NFPA 101 Life Safety Code (NFPA 101)
Effective Period
Learn moreJun 23, 2025—Present
Fire
State Amended
Maryland Fire Code
Adopted from:2024 NFPA 1 Fire Code (NFPA 1)
Effective Period
Learn moreJun 23, 2025—Present
Building
State Amended
Maryland Swimming Pool and Spa Code
Adopted from:2021 International Swimming Pool and Spa Code (ISPSC)
Effective Period
Learn moreJan 22, 2024—Present
Building
State Amended
Maryland Building Performance Standards- International Building Code
Adopted from:2021 International Building Code (IBC)
Effective Period
Learn moreMay 29, 2023—Present
Building
State Amended
Maryland Building Rehabilitation Code
Adopted from:2021 International Existing Building Code (IEBC)
Effective Period
Learn moreMay 29, 2023—Present
Residential
State Amended
Maryland Building Performance Standards- International Residential Code
Adopted from:2021 International Residential Code (IRC)
Effective Period
Learn moreMay 29, 2023—Nov 23, 2025
Energy
State Amended
Maryland Green Construction Code
Adopted from:2021 International Green Construction Code (IGCC)
Effective Period
Learn moreMay 29, 2023—Present
Energy
State Amended
Maryland Building Performance Standards- International Energy Conservation Code
Adopted from:2021 International Energy Conservation Code (IECC)
Effective Period
Learn moreMay 29, 2023—Present
Energy
State Amended
Maryland Model Performance Code- International Energy Conservation Code
Adopted from:2021 International Energy Conservation Code (IECC)
Effective Period
Learn moreMay 27, 2023—May 28, 2023
MEP
As is
Maryland Model Performance Code- International Mechanical Code
Adopted from:2021 International Mechanical Code (IMC)
Effective Period
Learn moreMay 26, 2023—Present
Residential
State Amended
Maryland Model Performance Code- International Residential Code
Adopted from:2021 International Residential Code (IRC)
Effective Period
Learn moreMay 25, 2023—May 28, 2023
MEP
State Amended
Maryland Model Performance Code- International Plumbing Code
Adopted from:2021 International Plumbing Code (IPC)
Effective Period
Learn moreMay 24, 2023—Nov 23, 2025
Building
State Amended
Maryland Model Performance Code- International Building Code
Adopted from:2021 International Building Code (IBC)
Effective Period
Learn moreMay 23, 2023—May 28, 2023
MEP
State Amended
Maryland Electrical Code
Adopted from:2020 NFPA 70 National Electrical Code (NFPA 70)
Effective Period
Learn moreMay 29, 2023—May 28, 2023
MEP
As is
Maryland Model Performance Code- National Electrical Code
Adopted from:2020 NFPA 70 National Electrical Code (NFPA 70)
Effective Period
Learn moreMay 29, 2023—Present
Energy
State Amended
Maryland Model Performance Code- International Green Construction Code
Adopted from:2012 International Green Construction Code (IGCC)
Effective Period
Learn moreMay 28, 2023—May 28, 2023
People also ask
Maryland has adopted 21 active building codes, including editions of the Maryland Board of Plubming- Liquefied Petroleum Gas Code NFPA 58, Maryland Board of Plubming- Fuel Gas Code, Maryland Board of Plubming- Fuel Gas Code NFPA 54. Use the list above to verify the specific year and edition for your project.
No, Maryland generally mandates statewide building code adoption, ensuring consistent construction standards across all jurisdictions.
Most states, including Maryland, review and adopt new building code editions every 3 to 6 years, typically following the triennial publication cycles of the ICC and NFPA.
Maryland's current building code adoption is based on the 2024 edition cycle. Check the code cards above for specific edition years for each code type (IBC, IRC, IFC, etc.).
Maryland publishes statewide amendments. The amendment type for each code is indicated by the badge (As Is, State Amended, or State Edition) on each code card above.
Permit requirements in Maryland depend on the locally adopted building codes shown above. Contact your local building department for specific permit thresholds and submittal requirements. The code edition in effect on your permit application date determines which requirements apply to your project.