About Company

Mon - Fri 8:00 - 5:00
14420 Townsend Rd. Philadelphia, PA 19154
info@lu420.com

Welcome To Steamfitters 420

Members of the local 420 are proud of their craft, proud of their city, and its surrounding suburbs will continue to grow and prosper.

Steamfitter History!

Journeymen in the pipe trades in the 1880s worked in three basic crafts: plumbers, steamfitters and gasfitters.

Join Steamfitters 420

Are you a Steamfitter Journeyman or Apprentice working in the Philadelphia area? You should join us!

Check for the latest top stories

LABOR & ENERGY PODCAST

6/16/2025

Top Headlines

2025 WORKING ASSESSMENT TAX LETTER

LIVE FROM INDUSTRY DAY, JDoc & KRAUSEY

WOMEN IN CONSTRUCTION, JDoc & KRAUSEY

Events

Current Union Events

122

Years of experience in Steamfitting

Join - Steamfitters 420

We Strive to Lead the way. Join Us!

Local 420 contributes to future employment opportunities and supporting efforts to revitalize Philadelphia in order to attract new businesses and new employment opportunities for all residents of this metropolitan area.

Dedicated
Proud
Educated
Honest

Looking to become an Apprentice?

If you have little to no experience and wish to become a Steamfitter or HVAC Service Apprenticeship, Click here to learn more. You can even FILL OUT YOUR APPLICATION ONLINE!

Have Experience in the Industry?

If you have at least 3 years of experience as a Steamfitter or HVAC Service Technician you can fill out our Career Profile Form and one of our recruitment specialists will get back to you.

Build & Service

Journeyman

Apprenticeship

Serviceman

Steamfitter

Mechanical Equipment

Affiliations

Check out some of our associations with the industry.

The United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States, Canada and Australia (UA).

Helmets to Hardhats is a national, nonprofit program that connects National Guard, Reserve, retired and transitioning active-duty military service members.

Military and government officials have launched UA VIP as a model in workforce development. Paid for entirely by the UA and its industry partners at NO cost to participants.

The MCAEPA are professional associations representing contractors in the mechanical construction and mechanical service markets.

Founded twenty-one years ago at the intersection of popular culture and politics, Rock the Vote has registered more than five million young people to vote.

Testimonials

What are people saying about 420?

Efficient and Professional Team!

â€œLocal 420 is taking care of its members, families, and the community through youth programs, scholarship funds, specialized educational programs, active participation in local and regional affairs, and vested retirement and health programs to protect its members.â€

Jim Snell

Business Manager

Media