(612) 509-9000
Your twin cities metro Window Installation Company
- A+ Better Business Bureau Accredited
- 50 Year Product and 10 Year Workmanship Warranties
- Flexible and Affordable Financing Options
- Over 300 5-Star Reviews
Expert Window Installation and Replacement in Minneapolis
When it comes to keeping your home warm in the winter, cool in the summer, and energy bills in check year-round, your windows play a major role. At Keystone Builders, we specialize in expert window installation and window replacement for Minneapolis homeowners who want better comfort, style, and long-term value. Whether you’re upgrading outdated windows or replacing damaged ones, our team makes the process smooth and stress-free, from your first estimate to final cleanup.
With fast estimates, top-tier products from Andersen and Sierra Pacific, and years of experience, Keystone Builders is the window company Minneapolis trusts. We even offer sliding glass doors as part of our services for a full home refresh.
Schedule your free window estimate with Keystone Builders in Minneapolis today and discover how easy it is to upgrade your home.
Types of Windows We Install
We proudly install energy-efficient windows designed to perform well through Minnesota’s extreme seasons. Whether you’re dealing with drafty frames, condensation, or just want a modern upgrade, we offer options that combine performance with style.
Our product lineup includes Andersen Series 100–400 and Sierra Pacific vinyl-style windows, two trusted names in the industry. These windows offer excellent insulation, smooth operation, and long-lasting durability. Homeowners love their sleek appearance, low maintenance features, and superior protection against drafts and moisture.
We also install sliding glass doors, making it easy to bring natural light into your home while keeping the elements out. Each product is carefully chosen to improve energy efficiency, comfort, and curb appeal for homes throughout Minneapolis.
What’s Our Window Installation Process?
Initial Consultation
A friendly sales rep visits your home to take rough measurements, show product options, and help you find the right fit for your needs and budget.
Estimate in 2–3 Business Days
We’ll send you a precise, honest estimate so you know exactly what to expect.
Final Measurements
Once you approve the project, a technician will return to take precise measurements before ordering your windows or doors.
Installation Timeline
Most installations happen within 4–8 weeks, depending on product availability and scheduling.
Clean, Professional Install
Our experienced crew installs your new windows with care, respecting your time and home from start to finish.
How Can You Tell If You Need New Windows?
Not sure if it’s time for window replacement? Here are some signs to look for:
- High Utility Bills: Poorly sealed or old windows can make your HVAC system work harder.
- Excessive Condensation: Foggy windows or trapped moisture between panes often mean seal failure.
- Rotting Sills: Water damage or peeling paint around the frame is a clear red flag.
- Drafts or Cold Spots: If you feel cold air near the window in winter, you likely need cold-weather windows.
- Difficulty Opening or Closing: This could mean warping, balance issues, or frame deterioration.
- Outdated Appearance: New energy-efficient windows can modernize your home and improve resale value.
FAQs About Our Window Replacement Services?
How Much Do Replacement Windows Cost?
The cost depends on the size, number, and style of windows you choose. On average, window replacement in Minneapolis ranges from a few hundred to over a thousand dollars per window. We offer custom quotes to help you budget accurately.
How Long Does The Installation Process Take?
From the time you approve your estimate, it typically takes 4–8 weeks to complete your window installation, depending on product availability and scheduling.
What Kinds Of Windows Do You Install?
We install Andersen Series 100–400 and Sierra Pacific vinyl-style windows, as well as sliding glass doors. All of our products are selected for durability and energy efficiency in Minnesota’s climate.
Why Minneapolis Homeowners Choose Keystone Builders
Homeowners in Minneapolis trust Keystone Builders because we combine personal service with professional results. As a locally owned and operated window company, we understand the importance of keeping your home protected from Minnesota’s unpredictable weather.
We don’t just install windows; we help you choose the best solution for your home, handle every detail of the project, and leave your space cleaner than we found it. With a fast estimate process, certified products, and a team that treats you like family, it’s easy to see why so many customers refer us to their neighbors.
From first call to final inspection, we work hard to earn your trust and exceed your expectations, because that’s what good neighbors do.
Protect Your Minneapolis Home Today
New windows make your home more comfortable, energy-efficient, and valuable.
Call Keystone Builders today to schedule your free window estimate.
Keystone Builders
11670 Fountains Dr Suite 200, Maple Grove
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I had a great experience with Keystone Builders. They replaced my roof (due to storm damage) and Juan (project manager) and his crew did an excellent job. Juan thoroughly explained the process. They completed the job ahead of schedule and … More I was impressed with the great job on cleanup. And shout out to Denny (who helped with insurance approval) for being on-site to ensure all went smoothly. I highly recommend Keystone! -
Keystone replaced our roof and gutters. They were amazing! We worked with Preston and Juan’s team. Preston explained everything clearly to us during the initial meeting. He helped us with our insurance company claim and was there for the … More insurance company inspection to answer any questions. Juan’s team was very efficient with the installation and cleanup process was great. Nothing was left behind. Would highly recommend this company. Especially Preston!! -
Last year a hail storm came through and created damages to our roof. In May 2025 we started working with Keystone Builders (specifically with Tyler, Juan, and Carlo's Team) on how to file a claim, and set up a date to get our roof … More replaced. From the time of the inspection to getting the roof done, we received great communication, professionalism, and work from Keystone Builders. The team arrived as expected and got straight to work with no delay. We definitely recommend Keystone Builders to anyone looking to get their roof replaced!