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Top-Rated Window and door contractors in Casco - Updated Nov 2026

Avatar for Exterior Custom Solutions
Exterior Custom Solutions
4.5(
98
)
New Windows - 6 +New Windows - 3-5New Windows - 2+9 more

Serving Casco, WI and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"My windows were so inefficient I couldn’t get the temperature above 63° in the winter. I used to put plastic on the windows and the wind would blow the plastic. Lol. Also there was a significant sound improvement living near Highway 441. Installation was bing bang boom and finished within a couple hours. (Installed 5 Slider WINDOWS Fall 2018)"
Exterior view of the old patio door
Exterior view of the new patio door
Interior view of the new patio door
Entry Door w/ Sidelite
Entry Door

+26

87 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Mad City Windows & Baths
Mad City Windows & Baths
4.4(
838
)
New Windows - 6 +New Windows - 3-5New Windows - 2

Serving Casco, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Warranties offered

"This company has excellent windows, doors, and service. The installers did a fantastic job with installation and clean up. I would highly recommend this company to anyone!"
windows
siding
siding
siding
windows

+20

Response time10 mins
8045 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Home Improvement Of Wisconsin Inc
Home Improvement Of Wisconsin Inc
4.9(
37
)
Storm Door - Install

Serving Casco, WI and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Kris W. Made my dream vision of our bathroom area a reality. I’m glad I went with this company. They are very responsive and have excellent communication skills, with great customer service. In the past, I never had good luck with contractors on our home remodels, but they exceeded my expectations. We couldn’t be more happy! Thanks, Kris!"
20 neighbors recently requested a quote
Overhead Solutions
4.8(
31
)
New Windows - 6 +

Serving Casco, WI and surrounding areas

Approved (Corporate)

In business since 2010

Free estimates

Credit card accepted

"The job was completed quickly and professionally. They really did a good job both protecting shrubbery by house and cleaning up any nails and debris after the job was done. They provided a folder with all the info I needed to know about them and their work, even references. They expressed a real concern for my being happy with their work, answering any questions I had or might have. And the price was more than fair. I would definitely recommend them."
Recommended by100%of homeowners
Basement Repair Specialists, LLC
3.7(
73
)
Egress Window - Install

Serving Casco, WI and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Did outstanding work. replaced clogged drain tile. added 2 sump pump crocks, Made every effort to clean up and minimize concrete dust. I am confident that the new owner will not have the basement water problems we had. The salesman (Bob) was with us every step of the job"
Carbon Fiber straps
Response time8 hrs
114 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Sure-Dry, LLC
Sure-Dry, LLC
3.8(
19
)
Egress Window - Install

Serving Casco, WI and surrounding areas

Approved

In business since 1994

Free estimates

Warranties offered

"Mike is great at the planning and cost estimate. He gets right to work and works efficiently, finishing in less time and at a lower cost than I had expected. And he does great work! I now have a well insulated garage, and can't thank Mike enough."
Sump Pump Installation
Waterproofing Basement Walls
Egress Window
Egress Window
Concrete Resurfacing

+18

Response time5 hrs
86 neighbors recently requested a quote
Recommended by54%of homeowners
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Window Door Contractors FAQs, answered by experts

The cost of a window repair varies significantly depending on which part is damaged. Here is a breakdown of common repairs and their estimated costs:

  • Broken seal or fogginess between panes: $70–$245

  • Cracked pane: $40–$100

  • Broken glass: $200–$2,000

  • Sash, seal, or track repair: $200–$600

  • Latch or hardware issues: $75–$200

  • Broken window frame: $175–$1,000

  • Window screen replacement: $140–$480

Among the various entry points into your residence, it's crucial to recognize that your basement windows are arguably the most susceptible. Basements usually have windows facing the side and back yards, often concealed from driveway floodlights, porch lighting, and doorbell cameras. Their vulnerability underscores the importance of reinforcing basement window security to safeguard your home from break-ins.

Some local utilities or state programs offer rebates or tax incentives for energy-efficient upgrades, including solar screens. Make sure to check with your local energy provider or government agency to see if you qualify for any cost-saving programs. Federal tax credits may also be available for qualifying window and exterior home upgrades.

Installing a basement window generally takes a few hours, assuming there are no structural issues you need to resolve first. If you’re a novice DIYer, the project could take longer; on the flip side, a licensed and trained window contractor may be able to replace multiple basement windows in the time it takes a homeowner to replace one.

Yes, you can fix windows without replacing them. However, this will depend on the severity of the issue and what your needs are. Minor water damage, broken glass, damaged casing, and worn caulking are usually easy repairs. But if there is excessive damage, the windows are constantly foggy, or the windows are very old, it’s best to consider replacing them. Replacement windows cost between $575 and $1,475 per window, or an average of $850 per window. 

The Casco, WI homeowners’ guide to window and door contracting services

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