Cornerstone is proud to bring its expertise to the roofing, siding and window industry.


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At Cornerstone our goal is to provide the absolute best in roofing, windows and siding installations. We can also help you with your insurance claims and walk you through the insurance claims process.

Cornerstone Advantage

  • Owens Corning "Preferred Contractor"
  • 50% more nails installed for a 130 mph wind warranty
  • Magnetically rolled for nail removal
  • Most homes completed in a day
  • Ten year installation warranty
  • Lifetime shingle warranty

Hail Experts

  • Familiar with nearly ALL insurance companies
  • We meet with your adjustor to ensure a thorough estimate
  • Extensive experience with the claims process
  • We remove fair pricing worries
  • Free shingle upgrade without gimmicks


  • 20+ years of building experience
  • Member Rochester Area Builders
  • Recognized Builder of the Year
  • Member National Association of Home Builders Board of Directors
  • Licensed General Contractor rather than only a roofing license
  • Member of Builders Association of Minnesota

Contact us

Contact us with any questions or inquiries and we'll get back to you as soon as we can! Look forward to hearing from you!


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  • phone: 507.254.5320
  • Sioux Falls SD: 605.338.3635
  • email: [email protected]
  • address: 1264 Hadleyview Ct. NE Rochester, MN 55906
Visa and MasterCard
Visa and MasterCard accepted