Upgrade Your Home with Professional Window Replacement

Professional window replacement designed to last and transform your space.

  • A+ Better Business Bureau Accredited

  • Get 15% Off Window Installation For A Limited Time

  • 50 Year Product and 10 Year Workmanship Warranties

  • Flexible and Affordable Financing Options

  • Over 300 5-Star Reviews

Get Your Free Window Service Estimate

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 Whether you’re upgrading outdated windows or replacing damaged ones, our team makes the process smooth and stress-free, from your first estimate to final cleanup.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 process

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 out windows installation process

At Keystone Builders, we believe window projects shouldn’t be overwhelming. Here’s what to expect when you work with our team.

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 MEASUREMENT

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.

Leave Your Windows in the Best Hands in the Twin Cities Metro

Get in touch today to see if Keystone Home Services is the right choice for you!

What Our Customers Are Saying

★ ★ ★ ★ ★

Keystone Builders just replaced my roof after severe hail damage. I could not be happier with the service and results. Denny and Juan were incredibly helpful, knowledgeable, and professional at every step. Any time I had a question or concern, Denny picked up the phone and walked me through it. The crew showed up on time, worked efficiently, and left my yard spotless. Communication was clear, scheduling was smooth, and the workmanship looks outstanding. The whole process felt easy and stress free. I have zero hesitation recommending Keystone Builders to anyone who needs roofing help. They have earned my trust, and they will be my first call for future home projects.

Billy Bobbins
★ ★ ★ ★ ★

We had a fantastic experience with Keystone Roofing and Restoration! They recently installed new windows and siding for us and did an outstanding job. They worked seamlessly with our insurance company, making the entire process smooth and stress‑free. Tyler Gaston was especially great to work with—he kept us informed every step of the way and ensured everything was handled professionally. We highly recommend Keystone Roofing and Restoration for anyone in need of new windows and siding.

Tom Meaden
★ ★ ★ ★ ★

We would highly recommend Keystone builders! … They replaced our damaged windows and everything came out great — the whole team was helpful and quick to respond, making our home safe and beautiful again.

Stacey Schultz

Who We Are & Why We're Here

At Keystone Builders & Exteriors, our foundation is built on a decade-long friendship between co-founders Joseph Tassi and Randy Burge—and a shared commitment to doing things the right way. Based in the Twin Cities, we’re more than a storm repair company. As a full-service general contractor, we specialize in retail construction, home exterior projects, and property improvements of all scales.

While we remain ready to help when storm damage strikes, our focus is on long-term value: elevating the appearance, performance, and integrity of every property we touch. We take pride in delivering high-quality results, transparent communication, and lasting relationships—whether we're rebuilding after a storm or enhancing everyday spaces.

Get Your Free Estimate Today

Our team is here to help answer any questions you may have!

Local Areas We Serve

  • Maple Grove

  • Plymouth

  • Wayzata

  • Minnetonka

  • Brooklyn Park

  • Bloomington

  • Woodbury

  • Lakeville

  • Blaine

  • Eagan

  • Burnsville

  • Apple Valley

  • Eden Prairie

  • Edina

  • Coon Rapids

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