While state and city laws have broadened development rights, building two accessory dwellings requires navigating specific regulatory and engineering constraints: 1. Private HOA Covenants Remain Legally Enforceable 2. Zoning District Lot Coverage Limits Still Apply 3. Compliance with the 2024 Phoenix Building Construction Code (PBCC) AzADU handles the full construction lifecycle, from architectural layout, civil utility routing, and city permitting to turn-key, move-in deliv

For years, building a backyard casita, guest house, or accessory dwelling unit in Arizona was an exercise in navigating a fragmented patchwork of local zoning codes. Whether you could build one and how large it could be depended almost entirely on which city or municipality your property sat within. That reality changed dramatically when Arizona passed a series of landmark bills collectively known as the "Casita Bills," most notably HB 2720 and its successor legislation HB 29