ADU rules in Universal City, TX — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Universal City zoning does not include an accessory dwelling unit category for typical single family districts, so a second independent dwelling is generally not permitted by right. Randolph AFB height limits apply.
Texas does not have a statewide ADU authorization statute comparable to California SB 9 or SB 13, and accessory dwelling unit permissions are set by each city zoning ordinance. Universal City Unified Development Code establishes single family residential districts that generally allow only one principal dwelling per lot, and accessory structures such as detached garages, sheds, and guesthouses are permitted but cannot be used as a separate independent dwelling with a second kitchen and rented to non family occupants. A pool house or guesthouse used by the same household is typically acceptable. Homeowners considering an ADU should contact the Universal City Planning and Zoning Department to discuss options, which may include applying for a variance or special use permit for a specific parcel. All structures near Randolph Air Force Base are subject to FAA Part 77 imaginary surface height restrictions and Joint Base San Antonio encroachment review, and Military Influence Area overlays in the UDC may add height or use restrictions. Separate utility meters are generally not allowed for backyard units.
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in Bexar County.
See how other cities in Bexar County handle adu rules.
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