Plumbing Contractor Permit Requirements in Stamford, CT
Complete permit and license guide for starting a plumbing contractor in Stamford, Fairfield County, Connecticut.
Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .
Stamford / Fairfield County Requirements
3 requirementsConnecticut Department of Consumer Protection — Plumbing and Piping Work License
Plumbing contractors in Connecticut must hold a P-1 (unlimited) or P-2 (limited) contractor license from CT DCP. A licensed journeyman plumber must be on staff. Requires passing a state licensing exam.
City of Stamford Department of Building, Land Use & Economic Development — Business License
Stamford requires a Certificate of Occupancy and business-specific permits. The Building Department processes permits for new and existing businesses. This license must be renewed annually and displayed at your place of business.
Fairfield County / Stamford 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.
Connecticut State Requirements
1 requirementConnecticut Department of Revenue Services — Sales Tax Permit
Required for all businesses selling tangible personal property or taxable services in Connecticut. Connecticut charges a 6.35% state sales tax. Certain services are also taxable in Connecticut, which has a broader sales tax base than many states. Register with the Connecticut Department of Revenue Services.
Federal Requirements
1 requirementEIN (Employer Identification Number)
Required if you have employees or operate as an LLC or corporation. Free from the IRS.
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