Plumbing Contractor Permit Requirements in Newark, DE
Complete permit and license guide for starting a plumbing contractor in Newark, New Castle County, Delaware.
Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .
Newark / New Castle County Requirements
3 requirementsDelaware Department of Labor — Master Plumber License
Plumbing contractors in Delaware must hold a Master Plumber License from the Delaware Department of Labor. Requires journeyman experience and passing a state exam.
City of Newark City Clerk — Business License
Newark requires a Business License from the City Clerk for businesses operating within city limits. This license must be renewed annually and displayed at your place of business.
New Castle County / Newark Plumbing Permit (per project)
A separate permit must be pulled with the local building/plumbing department for each job. Inspections are required upon job completion.
Delaware State Requirements
1 requirementDelaware — 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.
Federal Requirements
1 requirementEIN (Employer Identification Number)
Required if you have employees or operate as an LLC or corporation. Free from the IRS.
Official Sources
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