Plumbing Contractor Permit Requirements in Des Moines, IA

Complete permit and license guide for starting a plumbing contractor in Des Moines, Polk County, Iowa.

$400 -- $1200 4–10 weeks to obtain all licenses 5 requirements

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

Des Moines / Polk County Requirements

3 requirements
1

Iowa Division of Labor — Plumbing Contractor License

Plumbing contractors in Iowa must hold a Contractor License from the Iowa Division of Labor. A Master Plumber must be on staff. Requires passing a state exam.

$100–$200 (initial)4–8 weeks
Official government source
2

City of Des Moines Development Services Department — Business License

Des Moines requires a Business License for regulated businesses and a Certificate of Occupancy for commercial spaces. The Development Services Department processes permits. This license must be renewed annually and displayed at your place of business.

$50–$500/year depending on business type and gross revenues1–3 weeks
Official government source
3

Polk County / Des Moines Plumbing Permit (per project)

A separate permit must be pulled with the local building/plumbing department for each job. Inspections are required upon job completion.

$50–$300 per project1–5 business days
Official government source

Iowa State Requirements

1 requirement
1

Iowa Department of Revenue — Sales Tax Permit

Required for all businesses selling taxable goods or services in Iowa. Iowa charges a 6% state sales tax; local option sales taxes of up to 1% may apply. Register with the Iowa Department of Revenue online.

FreeImmediate (online via eFile & Pay)
Official government source

Federal Requirements

1 requirement
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

Official Sources

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