Master Plumbing Services
Bob Krapp (the “B” in “AB Brothers”) is a Master Plumber specializing in residential and commercial remodels.
From installing plumbing fixtures to new construction, Bob and his crew of licensed professions make sure the job gets done right the first time, and on-time. With AB Brothers, you’re guaranteed the highest level of craftsmanship with our master plumbing services.

Becoming a Master Plumber isn’t easy–it takes between seven to 10 years of education and training. You start as an Apprentice, complete state licensing requirements and apply to be a Journeyman Plumber, and after working for five years as a Journeyman take a certification test to become licensed as a Master Plumber. As a Registered Master Plumber, Bob enjoys putting his experience to use and welcomes a good challenge on residential and commercial construction projects.
Our specialty plumbing services include:
- Installing fixtures, hot water tanks & tankless water heaters
- Filtration systems
- Backflow prevention
- Bath & kitchen plumbing
- Installation & repair of drain lines, water lines, stacks & sewer lines
- New construction plumbing
If you’d like to discuss your plumbing needs, contact AB Brothers or give Bob a call at (412) 620-8821. Thank you!
Stellar job on an entire bathroom renovation. High quality work with attention to detail. They communicated every step of the way. 5 ?.
Christa JonesExcellent plumbing workmanship. On time for appointments and always very courteous and professional. No pressure and willing to work with me on budgetary issues. I am very happy with the work performed and may use this company again.
Nancy S.