Single-stair building code reforms are spreading as states and cities seek more small multifamily housing while maintaining fire safety.

Nashville's "smart stair" building code became official earlier in July, after it had passed the Metro Nashville Council. The change allows apartment and condo buildings to be built with a single ...

The campaign for changes to the building code, the rules that specify in mind-numbing detail exactly how buildings must be constructed, appears to be the next chapter of this fight. Single stair, and ...