EJ Hosbach Mechanical Contractors LLC is a small business plumbing, heating, cooling and piping contractor. With our shop and office located in Boothwyn Pa, we serve all of Delaware County and the surrounding areas. We are a fully licensed and insured plumbing and H.V.A.C contractor. When it comes to residential and commercial plumbing, that is our expertise. We design, build and service various plumbing, heating, cooling, and piping systems. We also design, build and remodel residential and commercial bathrooms.

From small residential plumbing leaks, to larger commercial gas piping projects , we are the # 1 go to contractor. We offer competitive pricing due to our lower overhead . We strive on customer service, 100% quality craftsmanship, and guaranteed satisfaction on every job. Support local small business and save! For more detailed information on our complete line of services, check out our services page. E. J. Hosbach looks forward to continuing to meet the needs of our existing customers , while meeting and working with new customers. Remember, "PLUMBERS PROTECT THE HEALTH OF AMERICA"

Industry Certifications


EJ Hosbach has many industry certifications including:

  • Registered Master Plumber - EH484943
  • Certified Residential/Commercial Plumbing Inspector - ICC00218999
  • ASSE Certified Back flow tester, repair, and installation - #23440
  • PA HIC - 079669
  • OSHA 10 Hour Safety Training - 000694533
  • EPA Universal Refrigerant Certification
  • API Certified Pipe Welding X-ray Certification
  • ASME Certified Pipe Welding X-ray Certification