Pennsylvania Plumber License Requirements (2026) | Philadelphia & Pittsburgh Guide

Pennsylvania does not issue a statewide plumber license. There is no Pennsylvania Department of State plumbing board and no statewide journeyman or master plumber credential. Plumbing licensing is strictly municipal, and the two dominant jurisdictions are Philadelphia (Department of Licenses and Inspections Master Plumber) and Allegheny County (which covers Pittsburgh and many surrounding municipalities under the Allegheny County Plumbing Code). Philadelphia's Master Plumber path is widely considered the toughest municipal plumbing license in Pennsylvania: four years of registered apprenticeship under a Philadelphia Master Plumber followed by a written and practical examination. Allegheny County administers a separate licensing and examination process through the Plumbing Section of the Allegheny County Health Department. Contractors who perform residential home improvement plumbing over $5,000 per year must also file the statewide Home Improvement Contractor (HIC) registration with the Pennsylvania Attorney General under HICPA (73 P.S. §517.1 et seq.), but HIC is administrative and does not replace the local license. There is no reciprocity between Pennsylvania municipalities.

Regulatory Body Profile

City of Philadelphia Department of Licenses and Inspections (Philadelphia L&I) is the statutory authority responsible for issuing and enforcing this license under Philadelphia Code Title 9 (Regulation of Businesses, Trades, and Professions) and Title 4 (The Philadelphia Building Construction and Occupancy Code). Philadelphia Licenses and Inspections issues the municipal Master Electrician, Master Plumber, and Contractor licenses required to pull permits inside city limits. Philadelphia is the single largest licensing authority in Pennsylvania and its rules are the de facto reference for Philadelphia-area trades.

Official portal: https://www.phila.gov/departments/department-of-licenses-and-inspections/
Address: 1401 John F. Kennedy Blvd, Concourse Level, Philadelphia, PA 19102
Phone: (215) 686-2463

The Eligibility Audit

Eligibility begins with two baseline checks: the applicant must be 18 or older and must provide a valid Social Security Number. Philadelphia requires no city residency. Allegheny County requires no county residency. Each municipality sets its own rule.

Good moral character

Philadelphia L&I and the Allegheny County Health Department both review criminal history and prior licensing discipline individually. Philadelphia requires disclosure of any felony conviction on the Master Plumber application.

Background investigation

Mandatory criminal history disclosure on both Philadelphia and Allegheny County applications.

Experience and Education Standards

The experience bar is 4 years of Philadelphia Master Plumber: four years of registered apprenticeship under a Philadelphia-licensed Master Plumber plus passing the Journeyman exam, then additional practical experience and a Master-level written and practical examination. Allegheny County: four years of documented plumbing experience under a Registered Master Plumber in the County before sitting for the Master exam., and it must be backed by verifiable records — typically payroll, tax, project, or supervisor documentation covering the claimed period.

Accepted proof of experience or eligibility

Registered apprenticeship agreement and completion certificate
Notarized affidavits of employment from each prior Master Plumber supervisor
W-2 statements or pay stubs covering the full qualifying period
Philadelphia Journeyman Plumber credential (prerequisite for Philadelphia Master application)

Education substitution

Philadelphia generally does not substitute education for apprenticeship hours. Some plumbing trade school programs shorten the first year of Allegheny County's experience requirement on a case-by-case basis.

The Exam Syllabus

The exam, administered by Philadelphia administers the Master Plumber examination through Licenses and Inspections using an in-house written and practical format. Allegheny County administers plumbing exams through its Health Department Plumbing Section., breaks into the parts shown below — all must be passed before licensure:

Philadelphia Master Plumber Written Examination — Philadelphia Plumbing Code, business and law — 100 questions, 240 minutes, passing score 70%
Allegheny County Master Plumber Examination — Allegheny County Plumbing Code, IPC-based — 100 questions, 240 minutes, passing score 70%

Examination fee: Philadelphia: approximately $150 written exam and $200 practical exam fee. Allegheny County: approximately $200 exam fee. Fees vary and are set by each municipality.

Retake policy: Philadelphia and Allegheny County both allow re-takes upon payment of a new exam fee. Application validity windows are set locally.

Bonding, Insurance & Financial Security

There is no statewide surety bond tied to this credential in the cited record. Bonding can still surface at the project level — permit, license, or public-works bonds — so check before you bid.

General liability

Philadelphia requires a Certificate of Insurance naming the city as certificate holder with minimum $500,000 general liability before a Contractor license is issued. Allegheny County requires liability insurance meeting Health Department standards.

Workers' compensation

Pennsylvania Workers' Compensation Act (77 P.S. §1 et seq.) requires coverage for any employer with at least one employee.

Additional financial requirements

No state financial statement requirement. Municipalities do not require net worth documentation.

Schedule of Fees

Fee	Amount
Application (non-refundable)	$300
Examination	$350
Initial license	$300
Renewal (every year)	$300

Renewal and Continuing Obligations

The Pennsylvania Plumber (Municipal Licensing — No State License) runs on a year renewal cycle. The current renewal fee is $300. Most Pennsylvania municipal plumbing licenses renew annually. Proof of insurance must accompany every renewal.

Continuing education: Philadelphia and Allegheny County both impose continuing education requirements on Master Plumbers at each renewal. Hours vary by city.

Downloadable Asset

2026 Pennsylvania Plumber License Roadmap (PDF) — a printable step-by-step checklist for the application process.

Download the PDF roadmap →

Out-of-State Reciprocity

For this classification, Pennsylvania does not recognize the NASCLA Accredited Examination.

Reciprocal State	Accepted Exam	Conditions
No formal bilateral reciprocity agreements identified.

No state-level reciprocity exists because there is no state license. Philadelphia and Allegheny County do not reciprocate with each other and do not reciprocate with any out-of-state plumbing credential. A plumber working in both cities needs both licenses independently.

Weighing more than one jurisdiction? The national hub compares Plumber license requirements in every state — exam, bond, fee, and experience thresholds side by side.

The Application Roadmap

Identify every municipality where you will work. Scope your work geographically and list every city where you plan to pull plumbing permits — there is no single license that covers Pennsylvania.
Enter a registered apprenticeship. Four years of registered apprenticeship under a Philadelphia Master Plumber (or equivalent Allegheny County path) is the standard route. UA Local 690 (Philadelphia) and Local 27 (Pittsburgh) run the largest programs.
Earn the Philadelphia Journeyman Plumber credential. Prerequisite for the Philadelphia Master Plumber application. Pass the Journeyman examination after completing the apprenticeship.
Pass the Philadelphia Master Plumber written and practical exams. Both the written exam on the Philadelphia Plumbing Code and the hands-on practical exam must be passed at 70%+.
File the Allegheny County application (if working in Pittsburgh). Submit to the Allegheny County Health Department Plumbing Section with four years of experience documentation and exam fee.
File HIC registration with the PA Attorney General (if doing residential work). Required for any residential home improvement plumbing over $5,000 per calendar year. $50 fee.
Secure the Philadelphia Contractor license and BIRT account. The Master Plumber credential is personal. A separate Contractor license and Business Income and Receipts Tax account are required to operate a plumbing contracting business in Philadelphia.

Pre-Application Checklist

Before submitting to Philadelphia L&I, the applicant should have each of the following ready:

☐ Registered plumbing apprenticeship completion (4 years)
☐ Philadelphia Journeyman Plumber credential (prerequisite for Philadelphia Master)
☐ Philadelphia Master Plumber written and practical exam pass certificates
☐ Allegheny County Master Plumber application and exam (if working in Pittsburgh)
☐ Certificate of Insurance meeting each city's liability minimums
☐ Pennsylvania HIC registration ($50, PA Attorney General) if performing residential work over $5,000/year
☐ Philadelphia Contractor license and BIRT tax account (separate from the Master credential)

Where Applications Stall

The errors below are the ones that most frequently cost Pennsylvania Plumber applicants time, drawn from the cited board guidance.

Assuming a Philadelphia license is statewide

Philadelphia Master Plumber authority ends at the city line. Pittsburgh and every other municipality with a local code require separate licensing.

Skipping HIC registration

Plumbers doing residential home improvement work over $5,000/year still need PA HIC registration even when they hold a Philadelphia or Allegheny County master license.

Underestimating the Philadelphia practical exam

Philadelphia's Master Plumber practical is hands-on: pipe fitting, lead work where applicable, and code inspection. Candidates who only study theory fail it frequently.

Confusing the personal credential with the business license

The Philadelphia Master Plumber is a personal credential. Operating a plumbing contracting business in Philadelphia still requires a separate Contractor license and BIRT tax account.

Studying the wrong code

Philadelphia Plumbing Code, Allegheny County Plumbing Code, and the IPC are three different documents with different requirements. Candidates study the wrong one regularly.

Recommended Study Materials

The list below collects the board's cited references and the materials applicants typically study from. CLR is not paid to recommend any of them.

Philadelphia Plumbing Code (Philadelphia Code Title 4, Subcode P) — City of Philadelphia. Primary reference for the Philadelphia Master Plumber exam. Stricter than the statewide IPC in several areas.
Allegheny County Plumbing Code (Article XV) — Allegheny County Health Department. Primary reference for Pittsburgh and surrounding Allegheny County municipalities.
International Plumbing Code, current adopted edition — International Code Council. Basis for the statewide UCC plumbing provisions and Allegheny County Code.

Other Pennsylvania Trade Licenses

CLR maintains guides for additional Pennsylvania trades; the published ones are listed here:

Common Questions

Does Pennsylvania have a statewide plumber license?

No. Pennsylvania has no state plumbing board and no state journeyman or master credential. Every city that requires a license issues its own.

How do I become a Philadelphia Master Plumber?

Complete four years of registered apprenticeship under a Philadelphia Master Plumber, earn the Philadelphia Journeyman Plumber credential, then pass both a written and a hands-on practical Master Plumber examination through Philadelphia Licenses and Inspections.

How does Pittsburgh license plumbers?

Pittsburgh plumbing licensing runs through the Allegheny County Health Department Plumbing Section under the Allegheny County Plumbing Code. Applicants need four years of plumbing experience under a Registered Master Plumber and must pass the County Master Plumber examination.

Do Philadelphia and Pittsburgh reciprocate?

No. There is no reciprocity between Pennsylvania municipalities. A plumber working in both cities needs two separate licenses, two exams, and two renewal cycles.

What plumbing code does Pennsylvania use?

There is no single state plumbing code for all residential work. Philadelphia has its own Philadelphia Plumbing Code. Allegheny County uses the Allegheny County Plumbing Code (IPC-based). The statewide Uniform Construction Code references the IPC for commercial work and most residential work outside Philadelphia.

Primary Sources

Regulatory requirements on this page are drawn from the official board, statute, and exam-provider materials listed below.

Verified 2026-04-19 · Next scheduled review 2026-07-18