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Plumbing Contractor Permit Requirements in Annapolis, MD

Complete permit and license guide for starting a plumbing contractor in Annapolis, Anne Arundel County, Maryland.

Verified 2026-08-28 5 stops $400–$1,200 est. 4–10 weeks to obtain all licenses
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Not legal advice. Requirements may change — always verify with your local government authority before applying. Key agencies and fees on this page were re-checked against official government sources on .

Federal — start here

1 stop

  1. EIN (Employer Identification Number)

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

    Official government source for EIN (Employer Identification Number) (opens in a new tab)

    FreeImmediate (online application)

State of Maryland

1 stop

  1. Maryland Comptroller — Sales Tax Registration

    Required for all businesses selling taxable goods or services in Maryland (6% state rate; Maryland has no local sales taxes). Retail product sales are taxable. Some services are also taxable — notably cleaning of a COMMERCIAL or industrial building (janitorial/commercial cleaning) under Md. Tax-General §11-101(m): commercial cleaning businesses must collect 6% on the service itself, while residential cleaning is not taxable. Sales of photographs (portrait/wedding) are taxable as tangible personal property. Registration with the Comptroller of Maryland is free.

    Official government source for Maryland Comptroller — Sales Tax Registration (opens in a new tab)

    FreeImmediate (online via bFile)

City of Annapolis / Anne Arundel County

3 stops

  1. Maryland State Board of Plumbing — Master Plumber License

    Master Plumbers in Maryland must be licensed by the Maryland Board of Plumbing. Requires passing a state exam and demonstrating apprenticeship experience.

    Official government source for Maryland State Board of Plumbing — Master Plumber License (opens in a new tab)

    $87.50 (original license); $87.50 renewal (exam fee paid separately)4–8 weeks

  2. Annapolis — No General Business License Required

    Neither the City of Annapolis nor the State of Maryland requires a general business license. The Annapolis Department of Finance does not license businesses. Annapolis licenses only specific activities (peddlers/mobile vendors, bed-and-breakfasts, rental housing, trade contractors) through the City Clerk and Licenses & Permits Division. Businesses selling goods need a Maryland trader's license from the Anne Arundel County Clerk of the Circuit Court, and opening a commercial space in Annapolis requires a Certificate of Use from Planning and Zoning.

    Official government source for Annapolis — No General Business License Required (opens in a new tab)

    $0 — no general business license exists; activity-specific licenses, if applicable, have their own feesNot applicable

  3. Anne Arundel County / Annapolis 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.

    Official government source for Anne Arundel County / Annapolis Plumbing Permit (per project) (opens in a new tab)

    $50–$300 per project1–5 business days

Terminus

Open for business — est. $400–$1,200 · 4–10 weeks to obtain all licenses

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