Delaware Contractor License Classifications

Legal Citation: 24 Del. C. § 1408; 24 DE Admin. Code 1400

Statewide license authorizing electrical work restricted to residential dwellings (one- and two-family) and designated light commercial installations as defined by the Board of Electrical Examiners.

Notes: Requires 3 years verified experience under licensed electrician, Prometric exam, and $300k liability insurance.

Legal Citation: 24 Del. C. § 1807; 24 DE Admin. Code 1800

Statewide license authorizing the holder to contract for, plan, layout, install, alter, and supervise plumbing systems, potable water piping, sanitary drainage, and venting across all residential and commercial buildings.

Notes: Requires 7 years experience or apprenticeship plus journeyman tenure, passing score on state plumbing exam, and $300k liability insurance.

Legal Citation: 24 Del. C. § 1821; 24 DE Admin. Code 1800

Statewide license issued by the Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners authorizing unrestricted installation, maintenance, repair, and design of heating, cooling, ventilation, and refrigeration equipment.

Notes: Requires 7 years trade experience or accredited apprenticeship plus journeyperson service, passing Prometric exam, and $300k liability insurance.

Legal Citation: New Castle County Code Chapter 6

Local county registration required by the New Castle County Department of Land Use to pull building permits for residential and commercial general construction, structural alterations, roofing, and additions.

Notes: Demonstrates the county-level licensing requirement that fills the void of a statewide general contractor board in Delaware.

Legal Citation: 30 Del. C. § 2501

Mandatory contractor registration and tax license for all entities and individuals engaging in contracting, construction, alteration, repair, or demolition work within Delaware. Required before bidding, advertising, or commencing work.

Notes: Annual state business license ($75 base fee). Non-resident contractors must comply with bonding under § 375.

Legal Citation: 24 Del. C. § 1408; 24 DE Admin. Code 1400

Statewide unlimited license issued by the Board of Electrical Examiners authorizing the holder to plan, layout, design, install, repair, and supervise all electrical wiring, fixtures, and systems in any structure.

Notes: Requires 6 years verified experience under licensed master or 4-year engineering degree plus 2 years experience, Prometric exam, and $300k liability insurance.