About Us

Our Story

Martens Plumbing & Heating is a third-generation family business. Founded by Ralph Martens in 1956 and passed on to his son Jerry, it is now run by his grandson Jeff. Jeff’s wife, Brenda, and son Ryan are part of the business, too, working alongside a team of committed profes­sionals. Together, the Martens team is proud to have deep roots in the communities they serve in Lake Country, Waukesha County, and the Mukwonago area. 

Martens has grown along with its family and its community by expanding and diversifying its services to meet the needs of its customers. In addition to 65+ years of experience in plumbing, heating and cooling, Martens also specializes in sewer and piping, water treatment and air quality in addition to expert bathroom and kitchen remodeling services. Its Mukwonago facility includes a showroom of bathroom and kitchen design ideas.

As a family-owned business, Martens understands how important it is to keep your family’s home safe, secure, and functioning smoothly. No matter what you need, Martens is right here — and right for you.