Plumbing Contractor Permit Requirements in Oklahoma City, OK
Complete permit and license guide for starting a plumbing contractor in Oklahoma City, Oklahoma County, Oklahoma.
Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .
Oklahoma City / Oklahoma County Requirements
3 requirementsOklahoma Construction Industries Board — Plumbing Contractor License
Plumbing contractors in Oklahoma must hold a Plumbing Contractor License from the CIB. A Master Plumber must be designated. Requires passing a state exam.
City of Oklahoma City Business Development Department — Business License
Oklahoma City requires a General Business License and applicable specialty licenses for regulated industries. The Business Development Department processes applications. This license must be renewed annually and displayed at your place of business.
Oklahoma County / Oklahoma City 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.
Oklahoma State Requirements
1 requirementOklahoma Tax Commission — Sales Tax Permit
Required for all businesses selling taxable goods or services in Oklahoma. Oklahoma charges a 4.5% state sales tax; local jurisdictions may add up to 7%, making total rates as high as 11.5% in some cities. Register with the Oklahoma Tax Commission online.
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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