To deal with a professional company that exhibits honesty and integrity in all we do. We truly hold our customers’ best interest at heart. We want every homeowner to have the BEST customer experience.


Enjoy a seamless experience with people that are PASSIONATE and determined to provide the best possible improvements to your home.  We bend over backwards to please our customers.  It’s all about creating the DMB advantage.. the excellent service  and close attention to detail for all of our customers.


You don’t want to settle for an ordinary company. Duane Mainardi Builders is a family owned home improvement company with 3 generations of experience.  Owner, Duane Mainardi, has a lifetime of first hand experience in all aspects of home improvement, from framing homes and decks, to installing roofing systems, he has been pursuing his passion his entire life and loves every waking moment of doing so. He is committed to bringing empathy, passion, and a lifetime of knowledge for service to his business. He wants each and every homeowner to have the BEST customer experience.


We aim to enhance homeowners’ knowledge and to be trusted advisors to our customers. We believe in education first with no high-pressure sales. When we come to your home…

  • We identify the problem to provide an estimate.
  • We take the time to educate you on possible solutions and answer all your questions
  • Then we take a step back and let you decide what works for you.
  • Our goal is to find the BEST solution for you!


We are proud to be among the top 3% of roofing contractors good enough to be considered a GAF Master Elite Roofing Contractor. Have the added assurance when the GAF inspector comes out to inspect your home. Just another DMB Advantage.


For your protection, we are fully licensed and insured.


Our employees and installers are outgoing, family-oriented and happy to come to work every day. From your first proposal to final review of your project, our friendly service shines through. During each contact with any member of our staff, you’ll feel that eagerness and friendliness come through.


We provide quality workmanship– every day for each and every homeowner. Everything we do is based on the best craftsmanship.


We have been assigned an A+ Rating from the Better Business Bereau. The BBB  grades based upon business complaint history, the time in business, competency licensing, background information and several additional aspects of our business that positively reflect the services DMB provides.