Plumbing Contractor Permit Requirements in Nampa, ID

Complete permit and license guide for starting a plumbing contractor in Nampa, Canyon County, Idaho.

$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: .

Nampa / Canyon County Requirements

3 requirements
1

Idaho Division of Building Safety — Plumbing Contractor License

Plumbing contractors in Idaho must hold a Plumbing Contractor License from the Idaho Division of Building Safety. A licensed journeyman plumber must be on staff.

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

City of Nampa City Clerk — Business License

Nampa requires a Business License for certain regulated business types. Check with the City Clerk for requirements specific to your business category. 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

Canyon County / Nampa 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

Idaho State Requirements

1 requirement
1

Idaho State Tax Commission — Sales Tax Permit

Required for all businesses selling taxable goods or services in Idaho. Idaho charges a 6% state sales tax. Some cities have local option taxes. Register with the Idaho State Tax Commission online.

FreeImmediate (online via TAP)
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

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