The Office of Inspections is responsible for conducting inspections of building projects to ensure their compliance with the adopted county building codes. Our certified inspectors perform all building, mechanical, plumbing and site inspections.

Be prepared for your inspection!  Review the document linked below for information about what is required at residential inspections.
Residential Inspection Description

For questions about your inspections, call 302-395-5572. To schedule Inspections, call 302-395-5515.

Building Codes
For information concerning building codes, see the Code Enforcement Division.

Electrical Inspections
All electrical inspections are regulated by the State of Delaware. For questions, please visit or call (302) 744-4500 or your licensed electrician.

2009 IECC - Significant Changes
New Castle County now uses the 2009 International Energy Conservation Code to obtain energy efficiency compliance in all new construction built on or after July 1, 2010. For your convenience, we have put together a summary of the new changes for residential buildings.

For any questions or comments, please contact the Inspections Department at 302-395-5572.