Let’s Step Up For

Single-Stair Reform!

Single-Stair Buildings Are Beautiful, Sustainable, & Safe.
And They Could Be Coming to a Community Near You!

Single-stair buildings are one the world’s most beloved forms of urban housing. They can be great for families, help maintain neighborhood character, and have a strong safety record.

Read about how Austin won single-stair reform in 2025 and what’s coming next

Thank you to all our supporters for this important reform!

What Are Single-Stair Buildings?

Single-stair buildings are small apartments wrapped around a central stairway. They have big advantages over the large apartment buildings that are common in cities today.

How to Implement Single-Stair Buildings.

Allowing six-story single-stair buildings is increasingly common nationwide. However, most cities still prohibit them, which severely constrains housing supply. Here’s how to change that.

Folks LOVE Single-Stair Buildings.

Single-stair buildings are beloved around the world. That’s why there are grassroots movements in a growing number of US states and cities to bring them home.

Let’s Nerd Out on Single-Stairs.

Got a nitty-gritty question about single-stair buildings? Let’s answer some of the most common queries and get into the deep details.