Plan Commission considers accessory dwelling units and lowering minimum home size

Aug 19, 2026

Commission heard staff say ADUs are currently allowed only as dependent housing, discussed permitting standalone ADUs, and debated reducing the county's minimum single‑family square footage (staff suggested 1,200 sq ft is too large and proposed lowering it).

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DeKalb County planning staff told the commission the county currently allows manufactured and modular housing but does not permit general accessory dwelling units (ADUs) except as dependent housing for family members. Chris Gaumer said ADUs have been discussed previously and recommended the county consider allowing them more broadly.

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