In accordance to the City of Ennis Code of Ordinances Section 5-26, the City's Planning and Zoning Commissioners serve as the Building Standards Commission and their power and duties are granted in accordance to Section 5-30 of the Code of Ordinances:
- The housing board of adjustments and appeals as referred to in the Standard Housing Code
- The plumbing appeals and advisory board as referred to in the Standard Plumbing Code
- The mechanical appeals and advisory board as referred to in the Standard Mechanical Code
- The electrical appeals and advisory board under the National Electrical Code
- The building board of adjustment and appeals as referred to in the Standard Building Code