Electrical Contractor Permit Requirements in Wilmington, DE

Complete permit and license guide for starting a electrical contractor in Wilmington, New Castle County, Delaware.

Verified 2026-09-07 5 stops $400–$1,500 est. 4–10 weeks to obtain all licenses
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Not legal advice. Requirements may change — always verify with your local government authority before applying. Key agencies and fees on this page were re-checked against official government sources on .

Federal — start here

1 stop
  1. EIN (Employer Identification Number)

    Required if you have employees or operate as an LLC or corporation. Free from the IRS.

    Official government source

    FreeImmediate (online application)

State of Delaware

1 stop
  1. Delaware — No Sales Tax

    Delaware has no state or local sales tax. Instead, Delaware levies a Gross Receipts Tax on the seller of goods or provider of services, based on total receipts. Register with the Delaware Division of Revenue.

    Official government source

    Free (gross receipts tax registration)Immediate (online)

City of Wilmington / New Castle County

3 stops
  1. Delaware Board of Electrical Examiners — Electrical License

    Electrical contractors in Delaware must hold a state electrical license issued by the Delaware Board of Electrical Examiners (Division of Professional Regulation), not the Department of Labor. License categories include apprentice, journeyperson, and master electrician; a Master Electrician must be designated for the business. Requires passing a state exam.

    Official government source

    $203 (Master Electrician initial application)4–8 weeks

  2. City of Wilmington Business License (Department of Finance, Wage/Business License Division)

    Businesses operating inside Wilmington must hold a City of Wilmington business license in addition to their State of Delaware business license. Applications are filed with the Department of Finance, Wage/Business License Division (302-576-2415), and a copy of the current State of Delaware business license must be attached. Fees are set per license-type code; air conditioning, plumbing, heating, mechanical and refrigeration contractors must first pass a trade test with the Department of Licenses and Inspections. Employers also pay a head tax of $15 per month for each employee above five.

    Official government source

    Set by license-type code (fee increase effective 1/1/2024): $200/year for most non-professional services (e.g. landscaping/tree services, beauty parlor/barber shop, day care centers, janitorial, pest control, photographers) and construction trades; $300 for professional services; $250 for retailers; $151 for a mobile food vendor; $50 branch license1–3 weeks

  3. City of Wilmington Electrical Permit (per project)

    An electrical permit must be obtained from the City of Wilmington Department of Licenses and Inspections for each electrical project inside city limits — New Castle County has no jurisdiction here. A final inspection is required upon completion, and electricians must hold the Delaware Division of Professional Regulation licence for the work.

    Official government source

    $20 per craft used (electrical counts as one craft), capped at $50 per job, plus the building permit fee of $12 per $1,000 of construction cost, per the City's published Development Review Process fee list1–5 business days

Terminus

Open for business — est. $400–$1,500 · 4–10 weeks to obtain all licenses

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