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Top-Rated Plumbers in Decorah - Updated Nov 2026

Your Home Improvement Company, LLC
New to Angi
Bathtub Install or ReplaceShower Install or ReplaceWalk In Tub - Install or Replace

Serving Decorah, IA and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

Our mission to our customers is the continuous improvement of our ability to meet their needs and exceed their expectations at every opportunity. Our mission to our employees is to provide a work environment that treats you fairly, with respect and dignity, thereby allowing you to give your best effort to your work. Accomplishing our mission will allow us to be a successful company, staffed with successful individuals, conducting business with happy and loyal customers.

Avatar for Mad City Windows & Bath - Cedar Rapids
Mad City Windows & Bath - Cedar Rapids
New to Angi
Bathtub Install or ReplaceShower Install or Replace

Serving Decorah, IA and surrounding areas

Approved

In business since 2001

Free estimates

Credit card accepted

To learn about Mad City Windows and its history, you need to start back in 1998 when our family-owned company first opened its doors and changed the face of home remodeling in Wisconsin. From the beginning, our business has been built on a foundation of friendship and trust and, in return, local homeowners have come to know they can place their trust in us. In order make certain that we consistently earn that trust, we are dedicated to ensuring the expert, seamless delivery of high-quality products and remodeling solutions to homeowners throughout our service area. \n \nToday, we expand our home remodeling expertise across Wisconsin, Minnesota, Iowa and Illinois. With over 50,000 completed projects, we take our 2+ decades of experience to serve the communities of Minnesota, Iowa and Illinois. They can expect our highest standard of service and professionalism.

Testimonial Letter(s)
Home Exterior & Bath
Home Exterior & Bath
Home Exterior & Bath
Home Exterior & Bath

+19

Avatar for Homemade Design
Homemade Design
3.7(
322
)
Bathtub Install or ReplaceBathtub Install or Replace - For BusinessShower Install or Replace+2 more

Serving Decorah, IA and surrounding areas

In business since 2006

Credit card accepted

"They couldn't deliver, they specified items that after months of waiting, they could never deliver. In the mean time, they directed me to have plumbing rough and done, and then when they couldn't deliver the system for which the plumbing was done, I now have to spend several thousand dollars having the plumbing redone for another system that I found out on my own. The design was okay, some of their ideas were spot on, some of them were way off but ultimately they just couldn't deliver after holding $10,000 of my money for over 2 months. I am currently in a dispute with them with American Express because they still haven't credited me back the money I paid them to purchase things that they never delivered."
Pennsylvania Master Bathroom
Boston Small Condo Kitchen
California Client Saves with HMD Designer Discounts
Recommended by54%of homeowners
Petteys Plumbing LLC
New to Angi
Bathtub Install or ReplaceDrain Clog or Blockage - ClearFaucets, Fixtures and Pipes - Repair or Replace+4 more

Serving Decorah, IA and surrounding areas

In business since 2024

Free estimates

Offers commercial services

We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. \nBeing a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started! \n

Avatar for Gosch's, Inc.
Gosch's, Inc.
New to Angi
Tankless Water Heater - InstallWater Heater - Install or Replace

Serving Decorah, IA and surrounding areas

In business since 1971

Free estimates

Emergency services offered

Gosch's, Inc., is a second generation plumbing service. No job is too big our too small for our qualified team of professionals. We have seen it all and we are more than prepared to help with your pluming problem. We specialize in all of your boiler needs. Give us a call today! We look forward to working with you!

Claw foot tub
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Plumbing FAQs, answered by experts

There are many reasons why water pipes leak. The most common reasons include clogs, broken rubber seals that deteriorate over time, corrosion on copper, brass, or galvanized pipes, and damaged pipe joints.

You might also have a leak if your water pressure is too high (usually higher than 60 psi) or if your fixtures have a crack. Moreover, natural changes in the area around your underground pipes, like growing tree roots, flooding, or earthquakes, can cause leaky water pipes.

In general, PVC (polyvinyl chloride), PEX (polyethylene), and copper are the three piping materials used in new constructions when adding water supply lines. There are some caveats. PEX and copper are considered ideal when running lines that will handle hot water because they are not at risk for melting and warping the way that PVC piping can. At $0.40 to $4 per linear foot, PEX is considered more affordable than copper pipes, which cost $2 to $12 per linear foot. PVC is considered appropriate in water lines for cold taps only.

The lifespan of insulation depends on the material type. Fiberglass can last between 80 and 100 years, but it is important to start checking it around the 15-year mark. Spray foam has a lifespan of up to 100 years, and mineral wool can last up to 100 years. Cellulose, an eco-friendly option, has a lifespan of 20 to 30 years.

You can prevent pipes from bursting by taking several preventive measures. For example:

  • Keep your pipes from freezing when temperatures drop by setting your thermostat to 55 degrees or higher.

  • Open under-sink cabinets to allow warm air to flow around the pipes. 

  • Let faucets drip to keep water moving.

  • Add insulation to crawl spaces or pipes to keep them warm.

Even if you’re not very handy, DIY toilet repair is something many people can handle. However, that doesn’t mean that every repair project is something to try to take on yourself. 

On paper, replacing a toilet flange is rather straightforward. However, it requires heavy lifting and critical thinking, especially if things don’t go according to plan.

The Decorah, IA homeowners’ guide to plumbing services

From average costs to expert advice, get all the answers you need to get your job done.