Maryland Building and Residential Codes

The State of Maryland adopted the 2021 editions of the International Building Code (IBC) and the International Residential Code (IRC) with modifications to coincide with other Maryland laws.  These constitute the Maryland Building Performance Standards (MBPS)

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

Each jurisdiction in Maryland use the same edition of the same building codes, but can modify them to suit local conditions.

Building Code Compliance Software for Maryland

Plan Analyst code compliance software programs make it easy for building officials, architects and other designers to quickly perform commercial and residential building code plan reviews / code studies.  Plan Analyst for the 2021 IBC and Plan Analyst for the 2021 IRC simplifies the plan review / code study process enabling compliance to specific code years.  This proven software allows modifications to accommodate local amendments, where applicable.  Users have the ability to add code requirements and to add to the checklist.  Changes can be made permanent by changing the data file using the setup section of Plan Analyst, or specific reports can be edited for special conditions.

Plan Analyst Calculators: Deck – Sign – Beam & Column

Plan Analyst Deck, Sign and Beam & Column Calculators are additional simple and effective design and code review software tools that will quickly become your go-to resources when working on associated tasks.

Users of Plan Analyst in Maryland have included:

City of SalisburyArel Architects
Montgomery CountyBroadway Renovations, LLC
Town of ElktonCreative Access, Inc.
Town of Ocean CityNotari Associates
Washington CountyThe Cleo Group
Wicomico CountyTriangle Sign & Service

Building and Residential Code Resources in Maryland

Energy Code Compliance Software for Maryland

Visit the U.S. Department of Energy website to see the latest on energy code adoption in Maryland, including the use of COMcheck and REScheck Energy Code compliance software. COMcheck enables architects, builders, designers, and contractors to determine whether new commercial or high-rise residential buildings, additions, and alterations meet the requirements of the IECC and ASHRAE Standard 90.1.  REScheck product enables builders, designers, and contractors to determine whether new homes, additions, and alterations meet the requirements of the IECC or a number of state energy codes.

The “Building Codes Assistance Project” also provides information on Maryland’s building energy codes.

FEMA Building Code Adoption Tracking

The FEMA Building Code Adoption Tracking program reports on the status of hazard-resistant building code adoption in each state. Maryland is in FEMA Region 3. Read the 2023 Region 3 fact sheet showing the annual metric of the percent of communities adopting hazard-resistant building codes in Maryland.


American Institute of Architects  – AIA Maryland represents architects in the state.  There are over 6,000 registered and reciprocal architects in Maryland.

Maryland has a central ICC Chapter administered by the Maryland Building Officials AssociationICC also maintains a list of their chapters.

Maryland code adoption status on the ICC website