P.O. Box 2127
2101 W. St. Paul Ave.
Milwaukee, WI 53201
414-342-3209 Fax


You need your plumbing projects performed quickly, expertly and with a minimal amount of disruption to business. That’s why J.M. Brennan invests in the resources to make us the most flexible plumbing outfit in the region. From a complete range of equipment and an experienced crew ready round-the-clock, we can respond quickly and accurately to any plumbing need. And we bring our extensive workplace knowledge and best practices expertise to every project.

We earned our reputation as a leader in the plumbing industry through:

  • Hiring and retaining a seasoned, experienced team with a detail-oriented focus. Our many repeat customers know they’ll see the same capable people on each project.
  • Serving as a single source for design, installation, certification and maintenance for plumbing projects.
  • Comprehensive capabilities, including standard commercial and industrial repair and remodeling, as well as a wide variety of specialty work ranging from simple water heater replacement to complex jobs such as hospital remodeling.
  • Specialized knowledge and expertise with materials such as stainless steel, fiberglass, medical gas piping and polypropylene pipe and fittings for wastewater separation and treatment.
  • Field-experienced people who handle all calls and instantly dispatch emergency repair crews on a 24/7 basis.
  • An unparalleled investment in equipment, including our own backhoe, dump truck and fleet of over 70 trucks to facilitate quick repairs and on-time project completion.