Kyle, TX Accessory Structures: ADU Rules (2026)

Chapter 53A of the Kyle City Code, adopted by Ordinance No. 311 on July 22, 1997, sets out the Plum Creek PUD zoning ordinance and creates a separate set of accessory dwelling unit standards for the "R-1" residential PUD district, distinct from the standard single-family districts (R-1-1, R-1-2, R-1-3) governed by Chapter 53. Under Article II, Section 3(B)(7), an accessory dwelling unit is permitted on a lot with a single-family detached principal dwelling, subject to a 1,000-square-foot maximum floor area and a maximum height of two stories or 25 feet, whichever is less, and it can never be built taller than the principal residence.

Only one accessory dwelling unit is allowed per lot, and it must provide at least one dedicated parking space. Occupancy is separately capped under Schedule B to the same section: two occupants for units under 700 square feet, three occupants for 700 to 849 square feet, and four occupants for 850 to 1,000 square feet. Every accessory dwelling unit counts against the maximum living unit equivalents (LUEs) available to the Plum Creek PUD and to the specific platted subdivision, and it must be constructed concurrently with, not before, the principal residence.

Lots eligible for an ADU must be identified to the commission and city council during subdivision approval and shown on the site development plan, and the subdivider must record restrictive covenants disclosing eligible lots in the Hays County real property records.