DeMars Plumbing, Inc.


Plumbing ServicesExcavationSeptic SystemsWater Softener & Conditioning

About Us

If you are looking for plumbing services, look no further than DeMars Plumbing. We’re a proud family owned and operated full service plumbing company working in Sauk, Dane and Columbia Counties. We’ve built a very favorable reputation in our community as we have been offering quality craftsmanship since 1982. With our full array of services including in-floor radiant heat, septic systems, excavating and of course repair and new installation of plumbing systems, we’ve got all your needs covered.


  • Full Service Plumbing
  • Well Hook-Ups
  • System Repairs & Installation
  • Septic Systems


Tractor diggin in dirt
Workers doing outdoor plumbing