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91st General Assembly · Funnel one-pager · Monday, November 9, 2026

HF 947: Relating to county and city regulation of accessory dwelling units

Died when the session ended · The General Assembly adjourned on October 2, 2026. Bills that didn’t pass both chambers died.

What it does

This bill provides that a county or city shall allow a minimum of one accessory dwelling unit (ADU) on the same lot as a single family residence.1, limits or prohibits the construction or use of an ADU. The imposition of an ordinance, motion, resolution, or amendment regulating ADUs that is more restrictive when applied to a common interest community than when applied to a single family residence is prohibited.26.1, subsection 1, paragraph “e”, for cities; and Code chapter 562A; a requirement that the lot containing a single family residence and an ADU have additional parking beyond that required for a single family residence or payment of a fee in lieu of providing additional parking; the requirement of new or separate utility lines between the ADU and public or private utility service connections; imposition of a different county or city impact fee structure for an ADU than the one used for the single family residence on the same lot; and the requirement of improvements or repairs to public streets or sidewalks beyond those imposed on the single family residence on the same lot.

Sponsors

Local Government committee

Cost

No fiscal note

House subcommittee · named February 12, 2025

  • Rep. Megan Jones (R) · megan.jones@legis.iowa.gov
  • Rep. Shannon Latham (R) · shannon.latham@legis.iowa.gov
  • Rep. Adam Zabner (D) · adam.zabner@legis.iowa.gov

Lobbying · 21 for, 0 against

For: AARP Iowa; Americans For Prosperity; Easterseals Iowa; Greater Des Moines Habitat for Humanity; Greater Iowa Apartment Association; Habitat for Humanity of Iowa; Home Builders Association of Iowa; Iowa Association of Area Agencies on Aging; Iowa Chapter, American Institute of Architects; Iowa Credit Union League; Iowa Developmental Disabilities Council; Iowa Housing Partnership; and 9 more

In plain words

  1. February 12, 2025Filed in the House and sent to the Local Government committee · as HSB 162
  2. February 12, 2025House subcommittee named: Jones, Latham and Zabner · as HSB 162
  3. February 26, 2025Subcommittee recommended passing it with changes · as HSB 162
  4. March 5, 2025Approved by the House committee · as HSB 162
  5. March 5, 2025Committee vote: 16–1 · as HSB 162
  6. March 12, 2025Filed in the House
  7. March 12, 2025Approved by the House committee, and given a new number: HF 947 · as HSB 162
  8. April 8, 2025Withdrawn

From public records at legis.iowa.gov, compiled by Funnel (iowafunnel.com), an independent, nonpartisan site. Current as of Monday, November 9, 2026. https://iowafunnel.com/bills/91/HF947