Do stairs add square footage?

Do Stairs Add to the Square Footage of a House?

Short Answer

Yes, in general, staircases are included in the finished square footage calculation of a house in the USA. However, there can be nuances depending on local building codes and the specific design of the staircase.

Detailed Explanation

Understanding Square Footage Calculation and Staircases

Square footage is a critical metric in real estate, impacting property value and influencing design decisions during construction or remodeling. Let’s delve deeper into how staircases fit into this calculation:

1. Finished vs. Unfinished Space:

• The primary distinction lies in whether the space is considered “finished” or “unfinished.” Finished areas are typically included in the square footage calculation, whereas unfinished spaces, like attics or basements without proper flooring, insulation, and finishing, are excluded.
• Staircases, being integral parts of the finished living space, are generally counted in the square footage.

2. Staircase Design and Openings:

• The design of the staircase can subtly influence square footage calculations.
• Open Staircases: Staircases with open risers or designs that allow light and air to pass through might have a slightly different interpretation in some local building codes. Some jurisdictions might consider the open space beneath the stairs as part of the lower level’s square footage.
• Enclosed Staircases: Traditional enclosed staircases, where the space beneath the treads is closed off, are unequivocally included in the square footage.

3. Landings and Multi-Level Staircases:

• Landings in staircases are also typically included in the square footage calculation.
• Multi-level staircases that span multiple floors contribute to the square footage of each level they connect.

4. Local Building Codes and Appraisals:

• It’s essential to consult local building codes for precise guidelines on square footage calculations in your area, as there might be minor variations.
• During real estate transactions, appraisers use standardized measurement practices to ensure consistency and accuracy in square footage reporting.

Trends in Staircase Design and Impact on Square Footage:

• Open Concept Living: The trend toward open-concept floor plans has led to more prominent and visually striking staircases. While these designs can enhance the sense of space, they might also raise questions about square footage calculations in specific cases, especially with open riser designs.
• Multifunctional Staircases: Modern staircases are often designed with integrated storage or seating, further emphasizing their role as part of the finished living space and contributing to the square footage.

Conclusion

In essence, staircases typically contribute to the overall square footage of a house. However, it’s crucial to understand local building codes and consider the specific design of the staircase for accurate calculations. When in doubt, consult with a professional appraiser or architect to ensure clarity on square footage measurements, especially during real estate transactions or major renovations.