The City of Hutto, as part of the City's Building Ordinance, has adopted the following building codes:
- 2018 International Building Code
- 2018 Existing Building Code
- 2018 International Residential Code for One and Two-Family Dwellings
- 2018 International Mechanical Code, as amended
- 2018 International Plumbing Code
- 2021 International Fire Code
- 2018 International Fuel Code
- 2017 National Electrical Code