Plumbing Contractor Permit Requirements in Boise, ID

Complete permit and license guide for starting a plumbing contractor in Boise, Ada 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: .

Boise / Ada 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 Boise Planning and Development Services — Business License

Boise does not have a general business license requirement, but businesses must comply with zoning, building permits, and applicable specialty licenses. 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

Ada County / Boise 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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