Austin's First Single Stair Apartment Building is Officially Underway

Eliminating the requirement for two staircases in multi-story residential buildings lets developers use smaller lots and more flexible designs to create denser housing.

1 minute read

June 17, 2025, 8:00 AM PDT

By Diana Ionescu @aworkoffiction


Rendering of white three-story single-stair building in Austin, Texas with staircase in the middle.

The proposed Ashram Multifamily devleopment in Austin, Texas. | McKinney York Architects / Ashram Multifamily

Months after Austin legalized single-staircase buildings up to five stories tall, the city’s first three-story, single-stair building acquired its permits.

According to an announcement by McKinney York Architects, who designed the project, in Building Design + Construction, “The simple concept of this six-unit apartment complex celebrates an open central stair that forms an inviting entry and divides the building into two discrete volumes. Limited to a 4,400-sf lot, the project prioritizes sustainability and efficiency by taking advantage of existing infrastructure already serving the central city.”

Single-staircase construction for residential buildings has been outlawed in some U.S. cities due to safety concerns, many of which are rendered obsolete by modern building materials and fire prevention mechanisms. Now, some cities and states are rolling back restrictions on single-stair buildings to make room for more flexible and dense housing developments.

Monday, June 16, 2025 in Building Design & Construction

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I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching. Mary G., Urban Planner

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching.

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