Plumbing Contractor Permit Requirements in Shreveport, LA

Complete permit and license guide for starting a plumbing contractor in Shreveport, Caddo Parish, Louisiana.

Updated 2026-03-15 5 stops $400–$1,200 est. 4–10 weeks to obtain all licenses
Get my personalized route — $14.99

Not legal advice. Requirements may change — always verify with your local government authority before applying. This guide was compiled from public and official sources (last updated ) and has not yet been independently source-verified — confirm each requirement before acting on it.

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 Louisiana

1 stop
  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.

    Official government source

    Free1–5 business days (online)

City of Shreveport / Caddo Parish

3 stops
  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.

    Official government source

    $150–$300 (initial)4–8 weeks

  2. City of Shreveport Revenue Division — Business License

    Shreveport requires an Occupational License for all businesses operating within city limits. The Revenue Division processes business license applications annually. This license must be renewed annually and displayed at your place of business.

    Official government source

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

  3. Caddo Parish / Shreveport 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.

    Official government source

    $50–$300 per project1–5 business days

Terminus

Open for business — est. $400–$1,200 · 4–10 weeks to obtain all licenses

Want this mapped to your exact business and structure, in filing order?

Get my personalized route — $14.99

Official Sources

Related Guides