Auto Repair Shop Permit Requirements in Green Bay, WI

Complete permit and license guide for starting a auto repair shop in Green Bay, Brown County, Wisconsin.

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 Wisconsin

2 stops

  1. Wisconsin Department of Revenue — Seller's Permit

    Required for all businesses selling tangible personal property, certain services, or digital products in Wisconsin. Wisconsin charges a 5% state sales tax; local county taxes may apply (0.5%). Free to obtain from the Wisconsin DOR.

    Official government source

    FreeImmediate (online via My Tax Account)

  2. Wisconsin DNR — Used Oil and Hazardous Waste

    Wisconsin auto repair shops must comply with DNR hazardous waste regulations. Used oil, antifreeze, and other automotive fluids must be stored in appropriate containers and recycled or disposed of properly.

    Official government source

    Varies2–4 weeks (registration)

City of Green Bay / Brown County

2 stops

  1. City of Green Bay Office of the City Clerk — Business License

    Green Bay requires a Business License from the City Clerk for certain business types operating within city limits. 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. Brown County / Green Bay 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 Brown County or the City of Green Bay 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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