What is the maximum riser height allowed for stairways proposed for single-family dwellings?

For stairways in single-family dwellings, the maximum riser height is typically set at 7-3/4 inches. This specification is established to ensure safe and comfortable use of stairs, as it helps minimize the risk of accidents such as tripping and falling. Research and practical experience have demonstrated that risers taller than this limit can lead to difficulties in navigation and increased fatigue, especially for elderly individuals or those with mobility issues.

In many building codes, including the International Residential Code (IRC), the maximum riser height is carefully defined to balance safety with the practical needs of homeowners. Staying within this height limit helps ensure that stairs are accessible and functional for residents and visitors alike. This standard is part of an overall set of regulations that aims to enhance safety and clarity in home design, providing consistency across various buildings and communities.