Caring for Your Workplace®

Signature Mechanical is the Twin Cities’ trusted commercial plumbing contractor, serving Minneapolis, St. Paul, and the surrounding seven-county area. Whether you’re managing a tenant improvement, remodel, or new construction project, we specialize in replacing, installing, and repairing commercial plumbing systems with the precision and professionalism your project demands.

Commercial Plumbing Services

  • Founded in 2004 to serve the Minneapolis and St. Paul, MN seven-county metro area

  • Full-service commercial plumbing contractor for replacement, repair, remodel, and new construction projects

Twin Cities’ Commercial Plumbing Experts Since 2004

With more than two decades of commercial plumbing experience, Signature Mechanical has built a reputation for technical expertise, dependable execution, and professional service across the Minneapolis-St. Paul metro area. Our team stays current with evolving technologies and industry best practices, ensuring every project benefits from modern methods and proven field experience.

Signature Mechanical serves a wide range of commercial environments including office buildings, retail spaces, warehouses, tenant improvements, and multifamily properties. We’re especially experienced in occupied-space work, where careful coordination, clear communication, and minimal disruption to tenants and building operations are non-negotiable. Our core project types include commercial tenant fit-ups, light new-build commercial construction, mechanical retrofit and replacement, multifamily plumbing, and quoted service work across the seven-county metro area.

When clients choose Signature Mechanical, they’re not just hiring a plumbing contractor: they’re buying confidence. From first contact through project completion, clients can confidently expect responsive communication, accurate estimating, and consistent follow-through.

COMMERCIAL PLUMBING

Signature Mechanical provides expert commercial plumbing services for Twin Cities general contractors, property managers, and business owners. Backed by more than two decades of hands-on experience, our team designs and installs plumbing systems built for long-term efficiency, code compliance, and reliability. Every project is completed with careful attention to detail, on-schedule execution, and a commitment to minimizing disruption to your facility and operations.

REMODEL PLUMBING

Signature Mechanical is proud to support general contracting partners with reliable remodel plumbing services delivered on schedule and within budget. From kitchen and bathroom renovations to office buildings, tenant finishes, restaurants, warehouses, storefronts, manufacturing facilities, and schools, our team keeps your remodeling project running smoothly from start to finish.

NEW CONSTRUCTION PLUMBING

For builders, contractors, and developers working on new commercial construction, Signature Mechanical brings decades of new construction plumbing experience to every project. Our team installs cost-effective, energy-efficient water, water heating, and plumbing systems for office buildings, multifamily housing, and commercial facilities with thorough planning, transparent communication, and zero surprises.

Signature Mechanical logo

WHY YOU CAN TRUST SIGNATURE MECHANICAL FOR YOUR PLUMBING NEEDS

At Signature Mechanical, our commitment to quality is built into every stage of the work, continuing long after a project wraps up. As a licensed, bonded, and insured commercial and mechanical plumbing contractor serving Minneapolis, St. Paul, and the surrounding Twin Cities metro area, we bring the expertise, professionalism, and follow-through that general contractors, property managers, and facilities leaders depend on.

ACustomer satisfaction and long-term relationships are at the core of how we operate. We price work honestly, communicate clearly, and hold every member of our team to the same high standards on every job, whether it’s routine service work or a large-scale commercial or industrial project.

Our Commercial Plumbing Services Include

  • Gas piping and equipment installation
  • Drain cleaning
  • Medical gas
  • Clean room piping
  • Rainwater/sanitary sewer separation
  • Installation of all appliances, including ice makers for refrigerators
  • Installation and repair of all plumbing fixtures
  • Leak detection and repair
  • Waste and water lines
  • Hot water boilers and related components
  • Pumps
  • Sewage ejectors and sump pumps
  • Freeze-up repairs
  • Backflow device testing/repair and certification

Recent Marsden News

  • Marsden Promotes Bryna Krentz to CFO and Treasurer
    on May 4, 2026

    Marsden Services is pleased to announce the promotion of Bryna Krentz to Chief Financial Officer and Treasurer. Krentz will be responsible for leading the enterprise’s financial strategy, overseeing financial operations, and ensuring the organization’s financial health and compliance. “Bryna has been a phenomenal asset to our team,” said Guy Mingo, chief executive officer of Marsden [...]