Plumbing Contractor Permit Requirements in Springfield, MO

1. EIN (Employer Identification Number)

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

   Official government source

   Free·Immediate (online application)

   Free

   Immediate (online application)

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

   Free·Immediate (online application)

   Free

   Immediate (online application)

1. Missouri Plumbing Contractor License (local jurisdictions)

   Missouri plumbing licenses are issued at the local level; there is no statewide plumbing license. Springfield tests and certifies journeyman and master plumbers through its Building Development Services department, and other cities such as Kansas City and St. Louis require their own plumber licenses.

   Official government source

   Varies by city ($100–$300)·2–6 weeks

   Varies by city ($100–$300)

   2–6 weeks

2. City of Springfield Finance Department — Business License

   The City of Springfield requires a business license for essentially every business selling products or services within city limits, issued by the Finance Department's Licensing Division. Apply at least two weeks before beginning business. Licenses expire December 31 and may be renewed without penalty through January 31. The city has nearly 200 license categories; your fee is assigned after the Licensing Division reviews your application.

   Official government source

   Varies by category: flat-rate categories commonly $10-$100/year, and gross-receipts categories use the standard scale ($10 up to $5,000 in receipts; $20 from $5,001-$10,000; $20 base plus $0.50 per additional $1,000 to $100,000, $0.35 per $1,000 to $200,000, $0.25 per $1,000 above that). Confirm your category with the Licensing Division, 417-864-1617.·Apply at least 2 weeks before starting business

   Varies by category: flat-rate categories commonly $10-$100/year, and gross-receipts categories use the standard scale ($10 up to $5,000 in receipts; $20 from $5,001-$10,000; $20 base plus $0.50 per additional $1,000 to $100,000, $0.35 per $1,000 to $200,000, $0.25 per $1,000 above that). Confirm your category with the Licensing Division, 417-864-1617.

   Apply at least 2 weeks before starting business

3. City of Springfield Plumbing Permit (per project)

   A plumbing permit must be pulled from the City of Springfield Department of Building Development Services for each job. Inspections are required upon job completion. Re-inspection fees apply after the first re-inspection.

   Official government source

   $171 commercial or $110 residential when not associated with a building permit; $49 for a residential plumbing water heater change-out; 40% of the building permit fee (minimum $171) when associated with a commercial building permit. Fee schedule effective 07/01/2025.·1–5 business days

   $171 commercial or $110 residential when not associated with a building permit; $49 for a residential plumbing water heater change-out; 40% of the building permit fee (minimum $171) when associated with a commercial building permit. Fee schedule effective 07/01/2025.

   1–5 business days

Official Sources

• Missouri Plumbing Contractor License (local jurisdictions)
• City of Springfield Finance Department

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