Plumbing Contractor Permit Requirements in Portland, ME

Complete permit and license guide for starting a plumbing contractor in Portland, Cumberland County, Maine.

$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: .

Portland / Cumberland County Requirements

3 requirements
1

Maine Plumbers Examining Board — Master Plumber License

Plumbing contractors in Maine must hold a Master Plumber License from the Maine Plumbers Examining Board. Requires apprenticeship experience and passing a state exam.

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

City of Portland City Clerk / Licensing Division — Business License

Portland requires a Business License for most businesses operating within city limits. The City Clerk's office issues licenses for regulated business types including food service and personal care. 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

Cumberland County / Portland 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

Maine State Requirements

1 requirement
1

Maine Revenue Services — Sales Tax Registration

Required for all businesses selling tangible personal property or taxable services in Maine. Maine charges a 5.5% state sales tax (food and lodging have different rates). Register with Maine Revenue Services online.

FreeImmediate (online)
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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