About Us

Residential New Homes

We are the leader in plumbing for new homes. We can also design and install residential fire sprinklers and in floor heat.

Commercial and Design-Build

New construction businesses, large or small, design-build commercial projects, and apartments. We do them all!


Plumbing service for all your residential and commercial plumbing needs such as repairs, replacements, and new installations.

We are Cook Plumbing

Cook Plumbing Corporation is a local plumbing company that was started in 1978 by Mark Cook. We are located in West Des Moines and serve the Des Moines metro and surrounding areas. Our plumbing work includes new construction and service of residential and commercial projects and we are fully licensed and insured.

Scott Smith started with Cook Plumbing Corporation in June 1994 as a pipe layer then began running backhoe 1 year later. He was promoted to Outside Excavation Supervisor in 1998, General Manager in 2013, and then President in 2023. Scott graduated from Clarke Community High School in 1989 and has 4 years of ABC Trade Schooling. He holds the highest certification of Master plumber.

Kami Brown, Office Manager, started with Cook Plumbing Corporation in January 2011 as an Accounting Assistant. In June 2013 she was promoted to Office Manager. Kami graduated from Williamsburg High School in 2008 and AIB College of Business in 2011 with a Bachelor’s Degree in Accounting.

Employee History
  • 1978 – 1 employee
  • 1986 – 15 employees
  • 1996 – 54 employees
  • 2006 – 150 employees
  • 2016 – 138 employees
  • 2020 – 140 employees
  • 2023 – 105 employees
Breakdown of Our Company
  • 29 residential crews
  • 8 commercial crews
  • 6 sewer/water crews
  • 5 apartment crews
  • 5 service technicians
  • 6 backhoes
  • 5 excavators
  • 3 skid loaders
Brands We Carry

Why Choose Us


Whether your needs are residential or commercial we are committed to customer satisfaction and here to serve you.

Dedicated Team

Our team is dedicated and has years of experience and certifications. Our prices are clear and upfront.  Estimates are always free.

Affordable Price

We will make repairs before they become a disaster.  We саn hеlр уоu mаkе thе nесеѕѕаrу rераіrs аll wіthіn your budgеt.

Certified Technicians

You can count on us to get the job done quickly and on budget.  We hаvе bееn helping families and businesses for over a decade.

Services that we offer

  • Residential New Homes
  • Commercial
  • Design Build
  • Service
  • Electric boiler radiant in floor heat (garage, basement, master bath)
  • NFPA 13D fire sprinkler system
  • Spec, custom, and town home plumbing design

Tony Frantzen, New Home Manager, was hired with Cook Plumbing in February 1996 as a warehouse assistant after moving to Des Moines. He then became a plumbing apprentice shortly after and moved up to a lead plumber 3 years later. In September 2009, Tony was promoted to New Home Field Supervisor then became the New Home Manager in November 2013. He is certified in AquaSafe Levels 1 & 2 NFPA 13D, Fire Sprinklers, and has his Journeyperson plumbing license.

Colin Hofferber – New Home Rough In Supervisor
Logan Cropp – New Home Sewer/Water/Ground Work Supervisor

  • Fire lines
  • Shell work
  • Light site utility work
  • Fire hydrant service
  • Commercial RPZ backflow testing
  • Smoke testing
  • Assisted Living
  • Gas Stations
  • Restaurants
  • Tenant Finish
  • Apartment Complexes
  • Warehouses

Stephen Hackett, Commercial Plumbing Supervisor, started with Cook Plumbing in August 2016. He began his plumbing career in 2004 working for a large commercial plumbing and mechanical company in Arkansas. He graduated from CAPAC in 2008 and earned an Arkansas journeyman plumbing license, which helped him gain experience by running commercial projects from the ground up. Stephen is currently licensed in the state of Iowa with his Journeyperson, medical gas system installer, and backflow prevention assembly tester licenses.

Mark McMurry, Multi-Family and Underground Production Manager for Multi-Family dwellings, was hired at Cook Plumbing in April 2001 as a rough in apprentice. In 2002, he moved to the underground department and was a lead plumber for 5 years. Mark then moved to an apartment and light commercial crew before being promoted in November 2013 to Multi-Family and Underground Production Manager. Mark has his Master plumbing license.

  • Complete plumbing system design build systems
  • CAD and engineered drawings
  • Apartment Complexes
  • Strip Malls
  • Walk-in Clinics

Please contact Scott@cookplumbing.com for more details.

  • After hours call service
  • Water heater
  • Water softener
  • RO system
  • RPZ insulation and testing
  • Sewer/water replacements
  • Remodels
  • Gas piping
  • Boilers
  • In-floor heating
  • Residential and Commercial services, repairs, replacements, new installations
  • Full service line of fixtures and garbage disposals

Jeremy Leonard, Service Manager, started with Cook Plumbing in September 2004. He graduated from Associated Builders and Contractors Apprentice School in 2008 and went on to compete in a state-wide plumbing competition and finished in 1st place. Jeremy then traveled to Hawaii and finished 4th at the ABC National Plumbing Competition. In September 2012, Jeremy was promoted to Service Manager. He holds both a backflow prevention assembly tester and Master plumbing licenses.


Please come to our office to fill out an application at 1425 Fuller Road, West Des Moines, IA 50265, or email your resume to Scott@cookplumbing.com. Good driving record preferred.

Service Technician – Experienced in boilers, hot water heaters, tankless hot water heaters, and hydronics. Residential and Commercial. Journeyman or Master license preferred. Backflow certified and med gas license preferred. Good driving record required.

Plumbers – Licensed Residential and Commercial.

Plumbers Helpers – Residential, Commercial, and Underground. Experience preferred, but willing to train the right candidates.

Backhoe Operators & Pipe Layers

Groundwork Crew Leaders – Residential

Benefits Include:
  • 401k with employer match
  • Paid vacation
  • Paid holidays
  • Health, dental, and vision insurance
  • Aflac accident policy
  • Employee Assistance Program

Cook Plumbing is a family oriented company and we would like to have you a part of our team!

We are an equal opportunity employer.

Contact Us

Need to request service or questions about projects we have completed? Give us a call or visit us at our office.

    Note: If you do not receive a call or email back within 24 hours during normal business hours, please call us.