The Window Source of Bismarck

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With our make-it-easy payment plans you could have new windows in your entire home for just $40/month! Simply click the apply button below to connect with our home improvement financing partner, Green Sky Financing.

The Window Source of Bismarck

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(701) 426-1110

531 Memorial Hwy
Bismarck, ND 58504

Installing New Windows, Siding & More in

  • Bismarck
  • Mandan
  • Lincoln
  • Arnold
  • Lynwood
  • St Anthony
  • And More!


Entry Doors

Patio Doors


  • Picture Window Replacement and Installation
  • Awning Window Installation and Repair
  • Casement Window Installation and Repair
  • Double Hung Window Installation Estimates
  • Double Hung Window Repair and Installation
  • New, Heavy Duty Entry Door Replacement and Installation
  • Sliding Patio Door Repair and Installation
  • Whole House Siding Installation

Storm Doors

Sliding Patio Door


Picture Window


Entry Door


Double Hung Window

Awning Window

Casement Window

Double Hung Windows

Get Free Estimate

Bismarck’s Professional Source for Replacement Windows, Patio Doors, and More

When you choose windows and doors from The Window Source of Bismarck, you get great prices on quality replacement windows, patio doors, and more. On top of that, you can be sure the team you work with is professional and skilled at installation, so there are no issues when the job is done. Choose energy-efficient windows that help keep your home comfortable while cutting energy bills down. It’s our belief at The Window Source of Bismarck that the window buying process should be simple, not complicated. We’ll help you decide which windows are right for your home in Bismarck, South Dakota, by considering the specifics of your space and the characteristics of the weather. We’ll install replacement windows to fit perfectly and provide a warranty for peace of mind.

Energy-Efficient Windows by The Window Source of Bismarck

There are two main things to be aware of when choosing The Window Source of Bismarck. First, all of our new home windows and replacement windows are made to last and created of durable materials. Second, professional installation maters to get the Energy Star features you want to save money on energy bills. Whether you need new windows and doors, patio window installation, or new vinyl siding, we’ll make sure it’s installed properly. Our window installation services are well known, but our other services are just as professional. Add on a new front door, replace an awning window, or choose a new color of siding for the home. The Window Source of Bismarck will make sure you make the right choices for your home.

Bismarck’s Top Source for Replacement Windows and Doors

No matter what replacement windows you need, The Window Source of Bismarck will help. We size our windows custom to make sure they fit your home. Take a look at a new garden window, basement window, or double-hung window for your home. Then reach out to us to learn more and get your home improvement project off the ground.


Real, Local Reviews From Happy Customers



Window Source Q&A

Is it worth it to replace my windows?

Is it worth it to replace my windows?

Older windows are notorious for being leaky and inefficient. At The Window Source, we are constantly improving our technology to be more energy efficient. Installing new windows can realize up to an 80% return on investment when you sell your home. Coupled with the savings you’ll see on your energy bill, the cost of window replacement can often be quickly offset.

How do I know when to replace my windows?

How do I know when to replace my windows?

Anytime you notice damage on your windows, it is a good time to have them looked at by an expert. Damage can be caused by water, insects, and father time. Your old windows ar inefficient, unattractive, and can cause damage to your home, call our experts today!

How much will it cost to replace my windows?

How much will it cost to replace my windows?

The best way to determine the cost is to contract a professional and receive an in-home estimate. At The Window Source, our estimates are FREE to you.

What types of payment methods and financing do you offer?

What types of payment methods and financing do you offer?

We offer a variety of payment methods and financing options. Please contact us to hear our options.

What Warranty do you offer?

What Warranty do you offer?

Lifetime Warranty - All Window Source products come with a limited lifetime warranty. You will have peace of mind knowing that you will only make this investment in your home once. Ask your window consultant for details.