Plumbing Contractor Permit Requirements in Baton Rouge, LA

Complete permit and license guide for starting a plumbing contractor in Baton Rouge, East Baton Rouge County, Louisiana.

$400 -- $1200 4–10 weeks to obtain all licenses 5 requirements

Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .

Baton Rouge / East Baton Rouge County Requirements

3 requirements
1

Louisiana State Plumbing Board — Master Plumber License

Plumbing contractors in Louisiana must hold a Master Plumber License from the Louisiana State Plumbing Board. Requires journeyman experience and passing a state board exam.

$150–$300 (initial)4–8 weeks
Official government source
2

City of Baton Rouge / Parish of East Baton Rouge Department of Finance — Business License

Baton Rouge requires an Occupational License from the Parish for all businesses. Certain regulated businesses require additional permits from the Department of Development. This license must be renewed annually and displayed at your place of business.

$50–$500/year depending on business type and gross revenues1–3 weeks
Official government source
3

East Baton Rouge County / Baton Rouge 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.

$50–$300 per project1–5 business days
Official government source

Louisiana State Requirements

1 requirement
1

Louisiana Department of Revenue — Sales Tax Registration

Required for all businesses selling taxable goods or services in Louisiana. Louisiana's state sales tax rate is 4.45%. Louisiana has a complex tax structure with local parish sales taxes that can bring the total rate to 8–12%. Register with the Louisiana Department of Revenue and separately with each applicable parish.

Free1–5 business days (online)
Official government source

Federal Requirements

1 requirement
1

EIN (Employer Identification Number)

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

FreeImmediate (online application)
Official government source

Official Sources

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