Pennsylvania plumber license: requirements, reciprocity & renewal

The master license in Pennsylvania

No state master license: Nothing at state level. Master plumber status exists only inside municipal licensing systems that create one, principally Philadelphia's; the state neither defines nor examines a master plumber.

Any master-level exam is municipal, not state.

Renewal & lapse in Pennsylvania

No state plumber license exists to lapse. A lapsed Home Improvement Contractor registration is cured by re-registering with the Attorney General; municipal licenses carry their own local renewal and lapse rules.

Reinstatement: Not applicable at state level — no state plumber license.

Past the line: Not applicable at state level — no state plumber license.

Expired? Run the renewal checker with your month count →

Opening a plumbing company in Pennsylvania

The seat: No licensed seat required by the state — Home Improvement Contractor (HIC) registration instead. Under the Home Improvement Consumer Protection Act, anyone who owns or operates a home improvement business or performs home improvements in Pennsylvania must register with the Office of Attorney General unless an exception applies; the exceptions are contractors whose total home improvement work was under $5,000 in the previous taxable year and retailers with a net worth over $50,000,000 (Attorney General HIC FAQ, accessed 2026-10-22). Registration fee is $100 — the fee is not returned, and the registration number must be used as required by HICPA. Registration is not a license: there is no exam and no experience test, and it does not replace a municipal trade license where one exists.

Plumbing is licensed locally, not by the Commonwealth. Philadelphia licenses plumbers through its Department of Licenses and Inspections (with its own master/journeyman structure and exams) and Pittsburgh licenses plumbers through its Department of Permits, Licenses and Inspections; other municipalities vary, and many license nothing at all beyond permits and the state HIC registration. Local details here are from secondary guides checked 2026-10-22 and should be re-verified on phila.gov / pittsburghpa.gov before publication.

Run the owner gate for your situation →

Sources

Rules as published by No state plumber licensing board — Home Improvement Contractor registration is with the Pennsylvania Office of Attorney General and the statutes it administers, checked October 22, 2026. Board: https://www.attorneygeneral.gov/businesses-and-organizations/home-improvement-contractor-registration/frequently-asked-questions/

• Pennsylvania Office of Attorney General — Home Improvement Contractor Registration FAQ: $5,000 trigger, $100 fee (accessed 2026-10-22)
• Pennsylvania Office of Attorney General — Businesses and Organizations: HIC registration for contractors performing $5,000 or more of home improvements a year (accessed 2026-10-22)