Contractors License Overview
- Building contractors in Delaware must register with the Delaware Dept. of Revenue. No testing is required.
- Plumbers, electricians, and HVAC workers must be licensed by the Delaware Division of Professional Licensing.
- A trade exam must be passed to obtain a plumbing, electrical, or HVACR license. A license application must be submitted and approved before the exam can be taken.
- Information regarding exam details, reference materials, experience requirements, reciprocity, and other requirements for obtaining and maintaining a license are available by selecting the license links found below.