In Austin, Texas, ADUs must meet specific requirements, including a minimum lot size of 5,750 square feet. The ADU’s size should not exceed 15% of the lot or 1,100 square feet, whichever is smaller. The structure’s footprint must not exceed 40% of the property’s space, and it should maintain a minimum separation of 10 feet from the main house.
Additionally, ADUs in Texas must adhere to specific design guidelines, with no second stories allowed, except when attached atop a garage. Height restrictions dictate that ADUs should not surpass 30 feet in height. Consistency in construction materials, colors, foundation, and roofing with the primary dwelling is also mandated.