Massachusetts State Building Code Basic/Commercial Version – 10th Edition

The Massachusetts State Building Code Basic/Commercial Version – 10th Edition is a comprehensive set of regulations that governs the construction, alteration, repair, and maintenance of all non-residential buildings throughout the state. Officially designated as 780 CMR – Base Volume (Chapters 2–35), this edition is based on the 2021 International Building Code (IBC) with amendments tailored to Massachusetts-specific needs, such as local climate considerations, energy efficiency goals, and state laws. It applies to a wide range of commercial structures, including offices, schools, factories, and mixed-use buildings. The code establishes minimum requirements to safeguard public health, safety, and welfare through detailed provisions for structural strength, fire prevention, accessibility, energy conservation, mechanical systems, and more. Key areas covered include occupancy classification, construction types, means of egress, accessibility standards, and structural design criteria. Effective as of October 11, 2024, this 10th Edition replaces the previous 9th Edition and typically spans between 1,200 and 1,500 pages.

Key aspects:

• Code Basis
• Scope
• Core Objectives
• Key Technical Areas Covered
• Referenced Standards
• Enforcement & Compliance
• Publication & Access

Highlights:

• Updated to 2021 IBC Standard
• Massachusetts-Specific Amendments
• Expanded Fire and Life Safety Provisions
• Improved Accessibility Standards
• Stronger Energy Efficiency Guidelines
• Modernized Structural Design Requirements
• Clearer Use & Occupancy Classifications
• Referenced Standards Modernized

About BBRS

The Board of Building Regulations and Standards (BBRS) is a regulatory body within the Massachusetts Department of Public Safety responsible for developing, adopting, and maintaining the state’s building codes and regulations. Established to ensure public safety and promote consistent construction standards, the BBRS oversees codes including the Massachusetts State Building Code (780 CMR), which covers residential, commercial, and industrial construction. The board comprises industry professionals such as architects, engineers, contractors, and fire officials who collaborate to tailor national model codes like the International Residential Code (IRC) to meet Massachusetts’ unique climate, legal, and safety needs. Through public hearings and expert review, the BBRS continuously updates regulations to reflect advancements in building technology, energy efficiency, and life safety.

Other Works:

• 2021 International Building Code (International Code Council Series) 1st Edition
• Mass Residential Code – 10th Ed