The county building department in New Castle County administers construction permits and enforces building codes for unincorporated areas and municipalities that contract county services rather than maintaining their own building divisions. There are 4 Building Departments locations in New Castle County, Delaware.
Property owners in unincorporated New Castle County should verify with the county building department whether their parcel falls under county or municipal jurisdiction before submitting permit applications, as this affects which office handles the review and which codes apply.
List of New Castle County, Delaware Building Departments
New Castle Permits
Newark City Building Department
Middletown Permits
Newark Planning Department
Building Departments in near by County
Contractors and property owners in New Castle County should keep copies of all issued permits, approved plans, and inspection sign-off cards at the job site for the duration of construction. Final inspection requests must be scheduled in advance, and the certificate of occupancy is issued only after all required inspections pass.
You may also find Building Departments locations in neighboring counties including New Castle.