Electrical Contractor Permit Requirements in St. Louis, MO

Complete permit and license guide for starting a electrical contractor in St. Louis, St. Louis City, Missouri.

Verified 2026-08-28 5 stops $400–$1,500 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. Key agencies and fees on this page were re-checked against official government sources on .

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 Missouri

1 stop

  1. Missouri Department of Revenue — Sales Tax License

    Required for all businesses selling taxable goods in Missouri. The state rate is 4.225%; local rates vary by city and county. Register online with the Missouri Department of Revenue.

    Official government source

    FreeImmediate (online application)

City of St. Louis / St. Louis City

3 stops

  1. Electrical Contractor License (statewide or St. Louis local)

    Missouri offers a voluntary statewide electrical contractor license through the Division of Professional Registration's Office of Statewide Electrical Contractors (RSMo 324.900-324.945); every Missouri political subdivision must recognize it. Alternatively, electrical contractors can license locally — the City of St. Louis and Kansas City each maintain their own electrical contractor licensing. Local permits and bonds may still be required for each job.

    Official government source

    Varies: statewide license fees set by rule; local license fees vary by city — confirm with the issuing office2–6 weeks

  2. City of St. Louis License Collector — Business License

    St. Louis City is an independent city (not part of St. Louis County) and requires a Graduated Business License (GBL) from the License Collector's Office before commencing business. The license must be renewed annually; renewal applications and payment are due before June 1 to avoid penalties.

    Official government source

    $200 initial fee ($100 if starting between January 1 and May 31); annual renewal is graduated by number of St. Louis employees, from $200 (0-2 employees) up to $37,5001–3 weeks

  3. St. Louis City / St. Louis Electrical Permit (per project)

    An electrical permit must be obtained from the local building department for each electrical project. A final inspection is required upon completion.

    Official government source

    $60-$120 per residential unit (repair vs new construction); commercial: $25 application fee plus itemized per-equipment fees1–5 business days

Terminus

Open for business — est. $400–$1,500 · 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