HB2720

Cities must allow at least one ADU on single-family lots, and some poison pills are forbidden.

State: Arizona

Status: Enacted ✅

Formal Title: AN ACT AMENDING TITLE 9 CHAPTER 4 ARTICLE 6 ARIZONA REVISED STATUTES BY ADDING SECTION 9-461.18; RELATING TO MUNICIPAL PLANNING

Summary: HB2720 mandates Arizona municipalities with populations over 75,000 to adopt regulations permitting accessory dwelling units (ADUs) on single-family zoned lots. The bill sets allowances and prohibitions for ADUs, such as a minimum of one ADU per lot, additional ADUs if they are restricted-affordable, and a maximum size limit. It prohibits restrictions like additional parking requirements, design conformity mandates, and more restrictive zoning. Failure to adopt regulations by January 1, 2025, allows unlimited ADUs.

Main sponsors: Michael Carbone

Legislative text: https://apps.azleg.gov/BillStatus/BillOverview/81315