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North Carolina

NC’s Single-Stair Reform Would Lead the Nation

How SB 492 compares to height limits, safety standards, and reforms nationwide.

Single Stair North Carolina, Julie Powers, and Brenna Belcher
Feb 25, 2026
∙ Paid

North Carolina’s cities are expanding, yet most new housing today remains clustered at two extremes: very low-density subdivisions or large multifamily apartment towers. Neighborhoods do not have a way to add smaller, mid-scale buildings that would fit comfortably within existing blocks. This missing segment limits infill development, reduces feasible housing sites, and restricts architectural and urban design options.

Other American cities have begun filling this gap by reforming their building codes to allow single-stair multifamily buildings above three stories. These policies enable mid-rise buildings on smaller lots while applying clear safety measures, including sprinkler systems, two-hour stair enclosures, strict distance limits from unit doors to exits, and reduced floor areas.

This article compares the various technical requirements adopted by jurisdictions across the country, and evaluates how NC Senate Bill 492 would place North Carolina within this national trend. The object…

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Single Stair North Carolina's avatar
A guest post by
Single Stair North Carolina
North Carolina needs more walkable neighborhoods and better family-sized housing options. Single-stair apartments help make that possible, and we’re working to legalize them statewide. Created in partnership with @CITYBUILDERNC
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Julie Powers's avatar
A guest post by
Julie Powers
writing about architecture and urban design
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Brenna Belcher's avatar
A guest post by
Brenna Belcher
NCSU Architecture Student
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