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Cochise County adopts countywide rules for accessory dwelling units to align with state law
Summary
The Cochise County Board of Supervisors voted 3-0 to adopt zoning ordinance 25-18, updating local zoning rules for accessory dwelling units (ADUs) to comply with recent Arizona legislation. The amendment sets unit counts, size caps and setbacks while staff and the planning commission warned a failure to act would leave the county without limits.
The Cochise County Board of Supervisors voted 3-0 on Sept. 2 to adopt zoning ordinance 25-18, a county-initiated text amendment that revises definitions and use standards for accessory dwelling units (ADUs) to conform with new state law (House Bill 2928).
The change allows ADUs "on any lot where a single family dwelling is permitted," expands the number of permitted units in several districts and sets maximum size and setback limits, county staff said. Miss McLaughlin, the county staff presenter, told the board that the ordinance "will expand flexibility, increase housing capacity, and bring our code into alignment with Arizona's recent ADU legislation," and cited ARS and HB 2928 as the enabling state law.
The amendment sets several limits: on each lot with a single-family home, one attached and one detached ADU are permitted; parcels of at least 1 acre may add one additional detached…
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