State Building Code Council advisory group debates 120 vs. 70 sq ft standards for small dwelling units

Jan 16, 2026

The council's IBC Technical Advisory Group spent its Jan. 15 meeting debating whether to align a primary habitable-room minimum at 120 square feet or adopt a 70-square-foot baseline used elsewhere; members agreed to refine language offline and return with diagrams and reconciled drafts. No formal votes were taken.

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The State Building Code Council's IBC Technical Advisory Group spent the Jan. 15 meeting hashing out competing proposals over minimum sizes for small dwelling units, including whether to retain a 120-square-foot primary habitable-room standard or move toward a 70-square-foot baseline referenced by the National Healthy Housing Standard.

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