The 2015 International Existing Building Code: What You Need to Know

As a property owner or manager, it is essential to stay updated on the latest building codes to ensure that your building is up to date and safe for tenants. One code that you should be familiar with is the 2015 International Existing Building Code (IEBC).

What is the 2015 IEBC?

The IEBC is a set of regulations that govern the repair, alteration, and addition of existing buildings. The code outlines provisions for historic buildings, performance-based requirements, and accessibility standards for individuals with disabilities.

The 2015 edition of the IEBC is designed to improve the safety and sustainability of existing buildings. It offers a comprehensive approach to building rehabilitation, allowing for the integration of new systems and components while preserving the building’s historic character.

Key Provisions of the 2015 IEBC

The IEBC addresses various aspects of building safety and sustainability, including:

1. Structural Upgrades: The IEBC requires that all repairs, alterations, or additions to existing buildings comply with the minimum requirements of the current building code for new buildings. This includes structural upgrades to ensure the stability and safety of the building.

2. Energy Efficiency: The code mandates energy efficiency standards for all rehabilitation work. This involves the use of sustainable materials, systems, and components that meet the energy efficiency requirements set by the code.

3. Accessibility: The IEBC has detailed provisions for accessibility, ensuring that buildings are accessible to individuals with disabilities. This includes wheelchair ramps, accessible entrances, and restroom facilities.

4. Fire Protection: The code also addresses fire protection requirements, including smoke detection and alarms, sprinkler systems, and fire-resistant materials.

5. Historic Preservation: The IEBC has provisions for historic preservation that balance the need for safety and sustainability with preserving the historic character of the building. The code allows for modifications of historic buildings while maintaining their historical and architectural significance.


The 2015 International Existing Building Code is an essential set of regulations for property owners and managers. It outlines provisions for building rehabilitation that addresses structural upgrades, energy efficiency, accessibility, fire protection, and historic preservation. As a property owner or manager, it is vital to follow the guidelines set by the code to ensure that your building is up to code and safe for tenants.

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