Contractor License Requirements in Delaware
Browse licensing requirements for 30 contractor trades in Delaware. Select a trade below to see detailed fees, exams, and step-by-step instructions.
General
Electrical
Plumbing
HVAC
Structural
Specialty
Elevator Mechanic
RequiredFencing Contractor
Not RequiredFire Sprinkler Installer
RequiredFlooring Contractor
Not RequiredGlazier
Not RequiredInsulation Contractor
Not RequiredLandscaper
Not RequiredPainting Contractor
Not RequiredWell Driller
RequiredEnvironmental
Contractor Licensing in Delaware
Delaware does not have a statewide general contractor licensing requirement. The state does not operate a centralized licensing board for general contractors, and there is no state-issued contractor license for most construction work. Instead, contractors in Delaware must comply with local licensing requirements set by individual counties and municipalities, as well as obtain a Delaware business license from the Division of Revenue.
While general contractor licensing is not mandated at the state level, Delaware does require state-level licensing for specific trades. Electricians must be licensed through the Delaware Board of Electrical Examiners, and plumbers must hold licenses issued by the Delaware Division of Professional Regulation. HVAC contractors also have state licensing requirements. These specialty trade licenses require examinations, documented experience, and in some cases continuing education.
Delaware's three counties (New Castle, Kent, and Sussex) have varying levels of contractor regulation. New Castle County, which includes Wilmington, has more developed contractor registration and permitting requirements than the more rural Kent and Sussex counties. Contractors working in Delaware must also ensure compliance with the state's Subcontractor Registration Act, which requires subcontractors working on public projects to register with the state.
Key Facts
- No statewide general contractor license required
- Delaware business license required from Division of Revenue
- State licensing required for electricians, plumbers, and HVAC contractors
- Three counties (New Castle, Kent, Sussex) set local requirements
- Subcontractor Registration Act applies to public works projects
- No statewide contractor bond or insurance requirement for general contractors
What Makes Delaware Different
Delaware is one of the smaller states without a comprehensive statewide contractor licensing system, relying instead on a combination of business licensing, trade-specific professional licensing, and local regulation. With only three counties, the regulatory landscape is simpler to navigate than in larger states, but there are still meaningful differences between New Castle County's more urban regulatory framework and the lighter requirements in Kent and Sussex counties. The Subcontractor Registration Act for public works adds a unique layer of regulation that contractors on government projects must be aware of.
Official Licensing Board
Delaware Division of Professional Regulation