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Urbandale adopts ADU zoning to comply with new state law, limits to one unit per lot
Summary
To align with a state law that took effect July 1, Urbandale adopted an ordinance that allows one accessory dwelling unit (ADU) by right on any property with a single‑family residence, sets size limits (minimum 1,000 sq ft or 50% of house), and removes design/material controls while preserving covenant enforcement by private homeowners associations.
The Urbandale City Council adopted zoning changes to allow accessory dwelling units after a staff presentation explaining the changes required by state law that went into effect July 1.
Steve Franklin, director of community development, introduced the item and said the city must allow ADUs by right on any property defined as a single‑family residence by the state. City planner/staff member Annika outlined the key constraints: municipalities may not require public hearings for ADUs, cannot regulate appearance or materials, and must allow ADUs at least 1,000 square feet or up to 50% of the…
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