Commercial Plumbing Services

Plumbing for restaurants, retail, offices, multifamily, and industrial.

Plumbing scope for commercial properties

Commercial plumbing problems rarely look like residential ones. Restaurant kitchens put grease and food solids into heavily used drain lines. Even correctly designed piping can clog when grease cools inside it. A multifamily building runs dozens of units off shared risers, so a single failed shutoff valve can affect several tenants at once. Office buildings and retail spaces often have long runs of supply line behind finished walls, which makes locating a leak take longer than it would in a house. A technician working on a commercial property starts by identifying which system is affected and whether the issue is isolated to one fixture or tied into a shared line serving multiple tenants or units.

Rooftop package AC unit on an Iron Horse job

Repair work on commercial plumbing covers leaking supply lines, failed valves, clogged or slow drains, water heater problems, backflow device issues, and fixture repairs across restrooms, break rooms, and kitchens. A $120 diagnostic fee applies to repair visits and is waived once you move forward with the repair, with the price given in writing before work begins.

Working around your business hours

Property managers and business owners usually care about one thing above the repair itself: minimizing disruption to tenants, staff, or customers. Check which restrooms and water connections share the affected line. A shutoff serving several suites needs a different access plan from a valve beneath one sink. Discuss operating hours and any areas that must remain accessible when arranging the work.

New installations and larger replacement projects, such as replacing a bank of restroom fixtures or rerouting a section of supply line for a buildout, come with a free written estimate before any work starts. Because commercial plumbing projects vary widely in scope, from a single grease trap repair to a full floor of restroom fixtures, the estimate reflects the specific property and the specific problem rather than a flat rate.

Financing larger plumbing projects

Replacing aging supply lines, upgrading fixtures across multiple units, or addressing a recurring grease line problem can be a significant expense for a property. Financing through home service lenders is available, including 0% promotional plans for qualifying, approved credit. Applications take a few minutes, decisions are usually instant, and the work is scheduled once financing is approved. Call the Tempe shop at 1917 E 5th St to discuss a commercial plumbing issue or request an estimate for a planned project.

Our process

  1. 1

    Site walk

    We walk the property with you or your facility team and look at the equipment.

  2. 2

    Written scope and price

    You get a clear scope of work and a price before anything starts.

  3. 3

    Work around your business

    We schedule the work to keep disruption to tenants and customers low.

  4. 4

    Documentation

    You get a record of the work for your files.

What Our Customers Say

Leave Us a Google Review

★★★★★

"Christie was personable and knowledgeable, and Ryan's diagnostics were thorough, clean, and clearly explained. Reliable, professional, fair pricing. We'd rate Iron Horse a 10+."
Kim & Lynn · Google Review

★★★★★

"The Iron Horse maintenance program is fantastic. Jonathan's inspections are detailed and he takes the time to explain everything so we understand our system and what it needs long-term."
Vanessa L. · Google Review

★★★★★

"Jorge responded to our plumbing emergency within hours, assessed it thoroughly, and explained every step with a sense of humor. Iron Horse will absolutely be our first call next time."
Joanna B. · Google Review

Frequently asked questions

Do you work on shared plumbing systems in multifamily buildings?

Yes, technicians diagnose whether an issue is isolated to one unit or tied into a shared riser or main line serving several units before recommending a repair.

Can grease line problems in a restaurant kitchen be repaired without closing the kitchen?

The line may need to be taken out of service, depending on the blockage and repair. Discuss kitchen operating hours and available access before scheduling.

How is commercial plumbing repair priced?

Repair visits begin with a $120 diagnostic fee, waived if you proceed with the repair, and the repair price is provided in writing before work starts.

Is an estimate free for a restroom fixture replacement project?

Yes, replacement estimates for commercial fixture projects are provided at no cost, with the full scope and price in writing.

We Service Every Make and Model

Iron Horse is locally owned and services every make and model of AC, heat pump, furnace, water heater and plumbing fixture. If you got a quote for a specific brand, we can work on it.

Authorized Dealer

  • Carrier
  • Goodman
  • A/C Pro
  • Ruud

We also service

  • Trane
  • Lennox
  • Rheem
  • American Standard
  • Bryant
  • Daikin
  • York
  • Amana
  • A.O. Smith
  • Bradford White
  • Rinnai
  • Navien

Fast, Fair, Always There

Need commercial plumbing services?

Talk to a licensed technician today. Estimates on replacements are free. Repair visits start with a $120 diagnostic, and we waive it when you go ahead with the repair. 24/7 emergency service.