As of April 1st, 2016 Winnebago County Building Division follows the below listed Codes.
- 2015 International Building Code
- 2015 International Residential Code
- 2014 National Electric Code
- 2015 International Fire Code
- 2015 International Fuel Gas Code
- 2015 International Mechanical Code
- 2014 Illinois State Plumbing Code
County codes/ordinances:
- Winnebago County Unified Development Ordinance (Zoning & Subdivisions)
Other ordinances outside of Regional Planning include:
- Open Burning Ordinance (Overseen by Winnebago County Sheriff's Dept.)
- Storm Water Management Ordinance (Overseen by Winnebago County Highway Dept.)
- Technical Regulations of the Storm Water Management Ordinance(Overseen by Winnebago County Highway Dept.)