Delaware Contractor Licenses
Select a license to view its requirements, definition, exams, books, and classes.
State Licenses
Master Electrical
Maintenance of electric conductors, raceways, and equipment for light, heat, and power.
Master HVACR
Installation, maintenance, repair, fabrication, alteration, and extension of air conditioning, refrigeration, heating, ventilation systems, duct systems, warm air systems, low-pressure boiler, and unfired pressure vessel systems, solar heating and cooling systems, and related appurtenances unlimited in horsepower or tonnage.
Master Plumber
Knowledge of the design, plan, installation, repair, alteration, and maintenance of electric conductors, raceways, and equipment for light, heat, and power.
Master Restricted HVACR
Knowledge of the design, installation, maintenance, repair, fabrication, alteration, and extension of air conditioning, refrigeration, heating, ventilation, duct systems, piping vessels, insulation, and related appurtenances within a complete system, limited to 25 tons cooling and 500,000 BTU heating.
