Pest Control Permit Requirements in St. Louis, MO

Complete permit and license guide for starting a pest control in St. Louis, St. Louis City County, Missouri.

$400 -- $1200 6–10 weeks to obtain all licenses and pass required exams 6 requirements

Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .

St. Louis / St. Louis City County Requirements

2 requirements
1

St. Louis — General Business License

St. Louis requires all businesses operating within city limits to obtain a general business license from the city. Pest control companies must renew annually and may be subject to additional zoning review.

$50–$200/year1–3 weeks
Official government source
2

Missouri Department of Agriculture — Commercial Pesticide Applicator License

Missouri requires commercial pest control businesses to obtain a Pesticide Business License from the Missouri Department of Agriculture. All applicators must be licensed or registered as technicians. Annual renewal required.

$50 exam fee; $150 business license4–8 weeks (exam scheduling and processing)
Official government source

Missouri State Requirements

2 requirements
1

Missouri — Commercial Pesticide Applicator License

Missouri requires commercial pest control businesses to obtain a Pesticide Business License from the Missouri Department of Agriculture. All applicators must be licensed or registered as technicians. Annual renewal required.

$50 exam fee; $150 business license4–8 weeks
Official government source
2

Missouri — Sales Tax / Business Registration

Missouri imposes state and local sales taxes on some pest control services. Register with Missouri DOR.

No fee1–2 weeks
Official government source

Federal Requirements

2 requirements
1

EIN (Employer Identification Number)

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

FreeImmediate (online application)
Official government source
2

EPA Federal Pesticide Requirements

Federal law (FIFRA) requires all pesticide applicators to use only EPA-registered products and follow label instructions. Commercial applicators must maintain application records for at least 2 years.

No federal feeOngoing compliance
Official government source

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