Single-Stair Reform
Sprinklered single-stair buildings add family-sized infill safely.
B · 18/24
1 · The idealist case (in its proponents' own framing)
Allow one stair in small mid-rises to enable better apartments.
2 · The realist counter-case
Critics worry about fire safety.
3 · Predicted vs. measured — with caveats
Pew/CBNA (2025): sprinklered single-stair shows no higher fire risk; Seattle legal since 1977; spreading to CO, Austin, Culver City.
4 · Liberty check
Expands what builders may build with no measured safety cost.
5 · The real tradeoff
A quiet code fix with real upside.
Watch · narrated explainer video
Narrated commentary video (with audio). More on the Video page.
Allies & Playbook
If you want to copy this, start here.
No individual sponsor record is catalogued for this policy yet. Start with the primary sources below and the Allies directory.