Plumbing Contractor License Requirements in Pennsylvania
Complete Pennsylvania plumbing licensing — exam, experience, fees, bond, insurance, reciprocity, and the gotchas that catch most applicants. Last reviewed 2026-04-19.
Quick summary
- State license required?
- No state license — local rules apply
- Issuing authority
- No state-level plumbing license. Cities like Philadelphia, Pittsburgh have their own master plumber licensing. HICPA registration required for residential.
- Application fee
- —
- Renewal cycle
- annual
- Bond required?
- No
- Reciprocity
- None
Overview — plumbing licensing in Pennsylvania
Pennsylvania does not issue a state-level plumbing contractor license. No state-level plumbing license. Cities like Philadelphia, Pittsburgh have their own master plumber licensing. HICPA registration required for residential.. Most Pennsylvania cities still require local contractor registration and per-job permits, and federal lead-paint / refrigerant rules apply regardless of state licensure. The absence of a state license does not mean "no rules".
License classes available
Pennsylvania offers 2 plumbing license classes — pick based on the largest project you plan to bid:
- Philadelphia Master Plumber. Required for plumbing in Philadelphia.
- Pittsburgh Master Plumber. Required for plumbing in Pittsburgh.
Experience required
Philadelphia: 4 years experience + master exam. Pittsburgh: similar.
Exam — what you're tested on
Pennsylvania requires a written examination administered by Local city boards. Topics covered:
- IPC + local amendments
- Local code
Passing score: .
Fees
- Application fee: $0
- Initial license fee: $0
- Renewal fee: $0 ( annual)
Bond & insurance
Bond: Not required at the state level. Philadelphia requires $5,000 contractor bond.
General liability insurance: Minimum $500,000.
Workers' compensation: Required for any PA employer.
Reciprocity with other states
Pennsylvania does not have formal plumbing reciprocity with other states. Out-of-state contractors must complete the Pennsylvania process from scratch.
Local permits and requirements
Every PA city/township requires plumbing permits. Major cities require contractor licensing on top.
Common gotchas
Things that catch most applicants on their first license cycle in Pennsylvania:
- PA has HICPA but NOT state plumbing licensing — easy to assume HICPA covers plumbing.
- Philadelphia and Pittsburgh have separate master plumber requirements.
- Small towns rely on PA Uniform Construction Code (UCC) but enforce locally.
- PA prevailing wage applies to public plumbing work.
Frequently asked questions
- Does Pennsylvania really have no state plumbing license?
- Correct — PA has no state plumbing license. Local home-rule. Bills proposing state plumbing licensing have been introduced repeatedly but not passed.
- Do I need both HICPA and a Philadelphia master plumber license?
- For residential plumbing in Philly: yes. HICPA covers consumer protection statewide; the Philadelphia master plumber license covers competency.
- How do I become a Philadelphia master plumber?
- 4 years experience + apprentice → journeyman → 1+ year journeyman → master exam. Plus background check, $5,000 bond, $500k+ liability.
- Does my New Jersey master plumber license work in Pennsylvania?
- No — NJ and PA have no plumbing reciprocity. Each PA city has its own process.
- What happens if I plumb in PA without local licensing?
- Inspectors fail your work; permits denied. AG pursues HICPA violations on residential. Cities issue stop-work orders. Insurance won't cover injuries on unlicensed work.
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