The Department of Land Use regulates construction to the standards of the following:
Chapter Six of the New Castle County Code and its appendices contain amendments to the adopted codes and is available for download. Copies of the ICC Codes may be purchased from the Department of Land Use. In addition, a list of International Code Council and Staff Code Interpretations may be found here: Code Opinions by Code Version and Section
Property Maintenance Code
Chapter 7 of the New Castle County code deals with property maintenance and enforcement.
Chapter 7 Appendix (fees)