Accessory Structures in Willis, TX (2026)
3 verified accessory structures rules for Willis, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
ADU rules in Willis are governed by Chapter 155 (Zoning Code). Whether ADUs are permitted depends on the residential zone. Building permits required under Chapter 150. Contact Planning & Zoning at 936-856-4611.
Willis ADU Rules & Accessory Dwelling Unit Regulations
Some RestrictionsShed Rules
Sheds in Willis require building permits under Chapter 150 above permit thresholds and must comply with Chapter 155 zoning setbacks. Small structures may be exempt from permits but must meet setback requirements.
Willis Shed Rules & Outbuilding Regulations
Some RestrictionsGarage Conversions
Garage conversions in Willis require building permits under Chapter 150 (Building Codes). The space must meet habitable room standards of applicable building codes. Parking requirements under Chapter 155 must be maintained.
Willis Garage Conversion Rules & Requirements
Some RestrictionsLooking for Montgomery County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Willis city rules.
Accessory Structures in Montgomery County →