Auto Repair Shop Permit Requirements in St. Louis, MO

Complete permit and license guide for starting a auto repair shop in St. Louis, St. Louis City, Missouri.

Updated 2026-03-14 5 stops $400–$1,500 est. 3–8 weeks
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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 Missouri

2 stops

  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)

  2. Missouri Department of Natural Resources — Regulated Waste Requirements

    Auto repair shops in Missouri must comply with MoDNR regulated waste rules for used oil, antifreeze, and other hazardous materials. Shops generating more than 100 kg/month of hazardous waste must register.

    Official government source

    Varies2–4 weeks (registration)

City of St. Louis / St. Louis City

2 stops

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

    St. Louis City is an independent city (not part of St. Louis County) and requires a Business License from the License Collector's office. 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

  2. St. Louis City / St. Louis Zoning and Certificate of Occupancy

    Auto repair shops must operate in properly zoned commercial or industrial areas. Obtain zoning approval and a Certificate of Occupancy from St. Louis City or the City of St. Louis before opening.

    Official government source

    $100–$5002–6 weeks

Terminus

Open for business — est. $400–$1,500 · 3–8 weeks

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Official Sources

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